Can you pls help me tink u <3

:Circle the part of the expression that you would complete first.

a. -4 x 32 + 6

b. 4(13 - 6)

c. 3 x (-2)^3 divide symbol 6

d. (6 + 2) - 15 divide symbol 5 x 2

e. 8 - 4(2 + 5^2) divide symbol 12

pls thx!

Answer: The distance between the points (-4,7) and (-4,-5) is 12.

Step-by-step explanation:

To calculate the distance between two points, we apply the following formula:

\(\huge \boxed{\sf{d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2} }}\)

The points are:

To solve the process is:

We substitute the points in the previous formula given, then

\(\huge \boxed{\sf{d=\sqrt{(-4-(-4))^2+(-5-7)^2 } }}\)

\(\huge \boxed{\sf{d=\sqrt{0^2+(-12)^2 }=\sqrt{0+144} }}\)

\(\huge \boxed{\sf{d=\sqrt{144}=12 }}\)

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The intervals of concavity for f(x) = 3 cos x, with 0 < x < 21, are (0, π/2) and (3π/2, 2π).

To find the intervals of concavity for f(x) = 3 cos x, we need to analyze the second derivative of the function.

First, let's find the second derivative of f(x):

f'(x) = -3 sin x (derivative of cos x)

f''(x) = -3 cos x (derivative of -3 sin x)

Now, we can analyze the concavity of f(x) by considering the sign of the second derivative:

When x ∈ (0, π/2): In this interval, cos x > 0, so f''(x) < 0. The second derivative is negative, indicating concavity downwards.

When x ∈ (π/2, 3π/2): In this interval, cos x < 0, so f''(x) > 0. The second derivative is positive, indicating concavity upwards.

When x ∈ (3π/2, 2π): In this interval, cos x > 0, so f''(x) < 0. The second derivative is negative, indicating concavity downwards.

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Emmy's actual score in the exam is 64.

A Z-score is a metric that quantifies how closely a value relates to the mean of a set of values. Standard deviations from the mean are used to measure Z-score. A Z-score of zero means the data point's score is the same as the mean score.

Given,

class average =  76

standard deviation = 8

Z- score = -1.50

The formula of Z-score is -

z = (x-μ)/σ

Where x is the actual score,

μ is the mean,

σ is the standard deviation.

Now putting the values in the formula we get,

-1.50 = (x- 76) / 8

⇒ on solving, we get x = 64

So the actual score of Emmy = 64

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Answer:

x=2

Step-by-step explanation:

Answer:

x=2

Step-by-step explanation

Answer:

35 months

Step-by-step explanation:

Given that,

You deposit a total of $780 in 1 year i.e. in 12 months

We need to find how many months does it take for you to deposit $2275.

$780 in 12 months

1$ in \(\dfrac{12}{780}\ \text{months}\)

$2275 in,

\(\dfrac{12}{780}\times 2275\ \text{months}\\\\=35\ \text{months}\)

Hence, it will take 35 months to deposit $2275.

The unit rate for the cereal is  104 calories per cup and there are 416 calories in 4 cups

From the question, the given parameters are

Calories = 78 calories

Size of cups = 3/4-cup

The unit rate of the calories per cup is calculated as

Unit rate = Number of Calories/Size of cup

Substitute the known values in the above equation

So, we have the following equation

Unit rate = 78/(3/4)

Evaluate the quotient

So, we have the following equation

Unit rate = 104

So, the unit rate is 104 calories per cup

For four cups of cereal, we have

Calories = 104 x 4

Evaluate

Calories = 416

So, the number of calories is 416 calories

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Answer:

x = - 3

Step-by-step explanation:

to find the zeros equate f(x) to zero , that is

(x + 3)(x - 7)(x + 5) = 0

equate each factor to zero and solve for x

x + 3 = 0 ⇒ x = - 3

x - 7 = 0 ⇒ x = 7

x + 5 = 0 ⇒ x = - 5

the zeros are x = - 3, x = 7, x = - 5

the one from the list is x = - 3

Answer:

48 hours

Step-by-step explanation:

Answer:

48 hours

Step-by-step explanation:

328.80 a week, and a 6.85 hourly rate.

To find hours worked:

$328.80 (total earned) / $6.85 (earned hourly) = 48 hours

Breaking stress is (b) less than the ultimate stress, because it is point at which material undergoes "plastic-deformation" but does not necessarily break.

The "Breaking-Stress", is also known as "fracture-stress", is the stress at which a material breaks or fractures under a given load or tension.

This means that the breaking stress is the "maximum-stress" that a material can withstand before it fractures or breaks apart.

The "Ultimate-Stress" is defined as the maximum stress that a material can withstand before it undergoes plastic deformation, such as permanent bending or stretching, but without necessarily breaking.

Since the breaking stress is the point at which the material breaks, it must be less than the ultimate stress, which is the point at which the material undergoes plastic deformation but does not necessarily break.

Therefore, the correct option is (b).

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The given question is incomplete, the complete question is

Breaking stress is -

(a) greater than the ultimate stress

(b) less than the ultimate stress

(c) equal to the the ultimate stress

(d) none of these

Answer:

Area of the base is 10.5 cm².

Step-by-step explanation:

Formula for the volume of the given oblique prism = Area of the triangular base × Vertical height between two triangular bases

Vertical height = 6 cm

Volume = 63 cm³

From the formula,

63 = Area of the triangular base × 6

Area of the base = \(\frac{63}{6}\)

                            = 10.5 cm²

Therefore, area of the base is 10.5 cm².

Answer:

BA=BC

Step-by-step explanation:

There is a point that doesnt go in the curve.

So the procedure is to replace x by 2 ,and y by 7 in every option to see which doesnt belongs

So we see

The values of x and y are 19 and 14 respectively.

Given the hypotenuse = 24

Opposite = x

Adjacent = y

Let's use the sine ratio to find the opposite side

sin of angle = opposite/hypotenuse

sin 54 = x/24

Cross multiplysin 54 × 24 ,= x

x = 19.42

x = 19

To find the adjacent side, we use cosine ratio

cos = adjacent/hypotenuse

cos 54 = y/25

Cross multiply

cos 54 × 24 = y

y = 14

Thus, the values of x and y are 19 and 14 respectively.

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Please find attached the drawing of two triangles which are drawn with MS Word, based on the possible difference of two triangles having a ASA and a SAA configuration.

Unique triangles are triangles that are different based on their configuration, which derives from the positioning of the given parameters to correspond with different congruency requirement.

The conditions for the congruency of two triangles are;

SSS: The Side-Side-Side rule; two triangles are congruent if all three sides of one triangle are congruent to the three sides of the other triangle

SAS: The Side-Angle-Side rule; two triangles are congruent if two sides and the included angle of one are congruent to two sides and an included angle in the other triangle

ASA: The Angle-Side-Angle rule; two triangles are congruent if two angles and the included side of one triangle are congruent to two angles and an included side of the other triangle

SAA: The Side-Angle-Angle rule; Two triangles are congruent if two angles and an a non included side of one triangle are congruent to two angles and the non included side of the other triangle.

RHS: Right angle Hypotenuse Side: Two right triangles are congruent if the hypotenuse side and one leg of one triangle are congruent to the hypotenuse side and one leg of the other right triangle.

The configuration of the unique triangles can therefore, be ASA and SAA, which gives the triangles;

Please see attached drawings of the two unique triangles

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Answer:

54

Step-by-step explanation:

432/8=54

Answer:

5 minutes and 33 1/3 seconds.

Step-by-step explanation:

No. of shots made in 1 minute = 18

Let x be the no of minute to 100 shot

No. of shots made in 1*x minute = 18*x = 18x

Given total no of shots to be made = 100. Thus

18x = 100

x = 100/18 = 5 10/18

Thus, it will take 5 full minutes and 10/ 18 minutes to make 100 shots

we know that 1 minute is equal to 60 second

1 minute = 60 second

multiplying LHS and RHS by 10/18

1 * 10/18 minute = 60 *10 /18 seconds

10/18 minute = 100/3 seconds = 33 1/3 seconds

Thus, it will second 5 minutes and 33 1/3 seconds to make 100 shots.

Thus, there are 18 ways to choose one book, 153 ways to choose two books, and 360 ways to choose three books, one from each category.

To find the number of ways a student can choose from the given library, we need to use the formula for combinations.

The formula for combinations is:
nCr = n! / r!(n-r)!

where n is the total number of items, r is the number of items to be chosen, and ! denotes factorial.

Let's consider the different ways a student can choose:

1. Choosing one book from any category:
Total number of books = 5+3+6+4 = 18
n = 18, r = 1
Number of ways = 18C1 = 18! / 1!(18-1)! = 18

2. Choosing two books from any category:
n = 18, r = 2
Number of ways = 18C2 = 18! / 2!(18-2)! = 153

3. Choosing three books, one from each category:
For this, we need to choose one book from each category, and the order of selection does not matter.
n1 = 5, r1 = 1 (for history)
n2 = 3, r2 = 1 (for sociology)
n3 = 6, r3 = 1 (for anthropology)
n4 = 4, r4 = 1 (for psychology)
Number of ways = (5C1 x 3C1 x 6C1 x 4C1) = (5 x 3 x 6 x 4) = 360

Therefore, there are 18 ways to choose one book, 153 ways to choose two books, and 360 ways to choose three books, one from each category.

In summary, a student can choose:
- 18 ways to choose one book
- 153 ways to choose two books
- 360 ways to choose three books, one from each category

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Answer:

50 m^2

Step-by-step explanation:

3cm = 5 m

6 cm = 10 m

5 x 10 = 50 m^2

If my answer is incorrect, pls correct me!

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-Chetan K

Answer:

50 \(m^{2}\)

Step-by-step explanation:

3cm = 5m

6cm = 10m

5x10 = 50

Answer:

x=9

y=-27

Step-by-step explanation:

Given that AC is a diameter of the circle, we can conclude that triangle ABC is a right triangle, with AC being the hypotenuse. The area of the circle is not directly related to finding the lengths of BC or AB, so we will focus on the given information: AB = 16 units.

Using the Pythagorean theorem, we can find BC. The Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse (AC) is equal to the sum of the squares of the other two sides (AB and BC):

AC² = AB² + BC²

Substituting the given values, we have:

(AC)² = (AB)² + (BC)²

(AC)² = 16² + (BC)²

(AC)² = 256 + (BC)²

Now, we need to find the length of AC. Since AC is a diameter of the circle, the length of AC is equal to twice the radius of the circle.

AC = 2 * radius

To find the radius, we can use the formula for the area of a circle:

Area = π * radius²

Given that the area of the circle is 2897 units², we can solve for the radius:

2897 = π * radius²

radius² = 2897 / π

radius = √(2897 / π)

Now we have the length of AC, which is equal to twice the radius. We can substitute this value into the equation:

(2 * radius)² = 256 + (BC)²

4 * radius² = 256 + (BC)²

Substituting the value of radius, we have:

4 * (√(2897 / π))² = 256 + (BC)²

4 * (2897 / π) = 256 + (BC)²

Simplifying the equation gives:

(4 * 2897) / π = 256 + (BC)²

BC² = (4 * 2897) / π - 256

Now we can solve for BC by taking the square root of both sides:

BC = √((4 * 2897) / π - 256)

To find the measure of angle BC (mBC), we know that triangle ABC is a right triangle, so angle B will be 90 degrees.

In summary:

BC = √((4 * 2897) / π - 256)

mBC = 90 degrees

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The area between two negative scores can be found by taking the absolute difference between the two scores.

The area between two negative scores can be found by taking the absolute difference between the two scores. This is because the absolute difference gives us the distance between the two scores without considering their signs.

To calculate the area between two negative scores, follow these steps:

1. Identify the two negative scores.
2. Subtract the smaller negative score from the larger negative score.
3. Take the absolute value of the result to remove the negative sign.
4. The absolute difference between the two negative scores represents the area between them.

For example, let's say we have two negative scores, -5 and -10. To find the area between them, we subtract -5 from -10, resulting in -10 - (-5) = -10 + 5 = -15. Since we are interested in the distance, we take the absolute value of -15, which gives us 15. Therefore, the area between -5 and -10 is 15.

The absolute difference between two negative scores gives us the area between them. This approach is applicable whenever we want to find the distance or area between any two numbers, not just negative scores.

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there are total 64 is the answer if she puts 2 cookies in each packet

hope this helps u :)

The probability that the sample mean differs from the population mean by 1.8mm and is rounded off to 4 decimal places is 0.8220

According to the given problem the mean diameter μ= 140 mm (population mean) and the standard deviation is σ=8mm

random sample size, n= 49 steel bolts is selected

Let the random variable that represents the diameter of steel bolts be denoted by x and from the problem we have x = 1.8mm

Let z = (x-μ) / (σ/√n )         (1)

using formula (1) and when the sample mean differs from the population mean by more than 1.8mm

z = 1.8/(8/√49 )

⇒z = 63/40 = 1.575

The probability that the sample mean will differ from the population mean by more than 1.8 mm

P( z > 1.575) = 1 - P(z< 1.575) = 1 - 0.178 = 0.822

The probability that the sample mean will differ from the population mean by more than 1.8 mm = 0.8220

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By angle bisector theorem, the value of x is 5.625

What does the angle bisector theorem mean?

The angle bisector of a triangle divides the other side according to the Angle Bisector Theorem in a way that makes the ratio of the two line segments equal to the ratio of the other two sides.

According to angle bisector theorem

CB/DB = CA/DA

7.5/x = 4/3

x = 7.5•3/4

x = 22.5/4

x = 5.625

Hence, the value of x is 5.625

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Answer:

5. x = 13

6. x = 11; y = 3

Step-by-step explanation:

5. (9x + 2)° = 119° (alternate interior angles are congruent)

\( 9x + 2 = 119 \)

Subtract 2 from each side

\( 9x + 2 - 2 = 119 - 2 \)

\( 9x = 117 \)

Divide both sides by 9

\( \frac{9x}{9} = \frac{117}{9} \)

\( x = 13 \)

6. (9x + 25)° = (13x - 19)° (corresponding angles are congruent)

\( 9x + 25 = 13x - 19 \)

Collect like terms

\( 9x - 13x = - 25 - 19 \)

\( -4x = -44 \)

Divide both sides by -4

\( \frac{-4x}{-4} = \frac{-44}{-4} \)

\( x = 11 \)

(13x - 19)° + (17y + 5)° = 180° (linear pair)

\( 13x - 19 + 17y + 5 = 180 \)

Plug in the value of x and solve for y

\( 13(11) - 19 + 17y + 5 = 180 \)

\( 143 - 19 + 17y + 5 = 180 \)

Collect like terms

\( 129 + 17y = 180 \)

Subtract 129 from both sides

\( 129 + 17y - 129 = 180 - 129 \)

\( 17y = 51 \)

Divide both sides by 17

\( \frac{17y}{17} = \frac{51}{17} \)

\( y = 3 \)

Answer:

The slope is 4

Step-by-step explanation:

We can find the slope by using

m = ( y2-y1)/(x2-x1)

    = ( -61- -37)/( -32 - -26)

  = ( -61+37)/( -32 +26)

  = -24/-6

   =4

Answer:

\( slope = 4 \)

Step-by-step explanation:

(-26, -37) and (-32, -61)

\( slope = \dfrac{y_2 - y_1}{x_2 - x_1} \)

\( slope = \dfrac{-61 - (-37)}{-32 - (-26)} \)

\( slope = \dfrac{-24}{-6} \)

\( slope = 4 \)

Answer:

110 miles

Step-by-step explanation:

Answer:110

Step-by-step explanation:

First of all u will 9x^2-24xy+16y^2-12×16y-12=0 u will add the 9x^ then u will subtract 2-24

Answer:

18  ft

Step-by-step explanation: