Answer:
c
Step-by-step explanation:
you distribute the -3 to x and 3.
Can someone help me find surface area
Answer: the surface area is 7,800
Step-by-step explanation:
A metal alloy block of mass 56 kg consists of copper, zinc, and tin in the ratio 4 : 3: 1. What is the mass of copper?
Answer:
28 Kg
Step-by-step explanation:
4+3+1=8, so 56/8 equals 7, and 4*7=28.
What is the product of -8 and 5? A. 40 B. -40 C. 13 D. -3
Answer:b-40
Step-by-step explanation:
Yasin has tried to work the size of the angle marked g in the regular decagon below, using the fact that exterior angles sum to 360°. His workings are shown below.
a) Write a sentence to explain what Yasin has done wrong.
b) What is the size of angle g? Show all your workings.
well, Yasin is correct, the exterior angles are all 36° each, however "g" is including more than just that, Check the picture below.
Answer: 36 is wrong
Step-by-step explanation: 360 - 36 = 324 degrees
The quadrilaterals JKLM and PQRS are similar. Find the length x of RS. J M 3 4 5 3 K L P S 4.8 6.4 x 4.8 Q R
Answer:
6.4
Step-by-step explanation:
Two quadrilaterals are similar if corresponding sides taken in the same sequence (even if clockwise for one quadriateral and counterclockwise for the other) are proportional and corresponding angles taken in the same sequence are equal in measure.
If the quadrilaterals JKLM and PQRS are similar, the
3/4.8=4/x
3x=19.2
x=6.4
You have to solve the problem \frac{3}{4}-\frac{1}{8} 4 3 − 8 1 . After you make the denominators the same, what do you do? A You subtract the numerators but keep the denominators the same. B You subtract the numerators and you subtract the denominators. C You subtract the denominators but keep the numerators the same. D You subtract the numerator from the denominator, and that becomes the new numerator.
Answer: The correct answer is A) You subtract the numerators but keep the denominators the same.
HELP WILL MARK BRAINIEST
What is the median for the set of data?
71
70
72
74
Answer:
Step-by-step explanation:
To find the median, we need to arrange the data in ascending order:
70, 71, 72, 74
Since the data set has an even number of values, the median is the average of the two middle values. In this case, the two middle values are 71 and 72. Therefore, the median is:
(71 + 72) / 2 = 143 / 2 = 71.5
So, the median for the given set of data is 71.5.
WILL MARK BRAINLIEST A satellite is to be put into an elliptical orbit around a moon as shown below. A vertical ellipse is shown surrounding a spherical object labeled, moon. The moon is a sphere with radius of 567 km. Determine an equation for the ellipse if the distance of the satellite from the surface of the moon varies from 900 km to 169 km. x squared divided by 900 plus y squared divided by 169 = 1 x squared divided by 1467 squared plus y squared divided by 736 squared = 1 x squared divided by 736 squared plus y squared divided by 1467 = 1 x squared divided by 169 plus y squared divided by 900 = 1
Answer:
a=567 km+900 km
a=1,467 km
b=567 km+169 km
b=736 km
x^2/a^2+y^2/b^2=1
x^2/(1,467)^2+y^2/(736)^2=1
Step-by-step explanation:
Answer:
x^2 / 736^2 + y^2 / 1467^2 = 1
a committee consisting of 4 faculty members and 5 students is to be formed. every committee position has the same duties and voting rights. there are 7 faculty members and 13 students eligible to serve on the committee. in how many ways can the committee be formed?
Steel sheeting costs 2¢ per square inch. How much will David spend to build the model out of steel? Write your answer as a dollar amount.
Isabel is mixing paint. She mixes 2 (1/3) pints of blue paint and 4 (1/4) pints of yellow paint.
Which of the following has a ratio of blue paint to yellow paint that is proportional to the amounts used in Isabel's paint mixture?
Answer: None of these are correct
Step-by-step explanation:
I dont have much points but i will give brainlest show your work and answer correctly
Answer:do i have to answer all questions or...
Step-by-step explanation:
WRONG ANSWERS WILL BE REPORTED- PLS GIVE EXPLANATION WTIH ANSWER
8TH GRADE MATH
Answer:
9.5×10¹
Step-by-step explanation:
You want the quotient of 2.85×10⁶ and 30,000 written in scientific notation.
DivisionIt is convenient to adjust the exponents of the operands so the coefficient of the quotient has a value between 1 and 10.
\(\dfrac{2.85\times10^6}{30,\!000}=\dfrac{2.85\times10^6}{0.3\times10^5}=9.5\times10^{6-5}=\boxed{9.5\times10^1}\)
__
Additional comment
Your calculator can format the quotient in scientific notation for you.
<95141404393>
What’s j+12=25 tape diagram
An equation is a mathematical statement that shows two mathematical expressions equal.
An equation consists a variable that does not have a fixed value to it.
Given,
j+12=25
Here ‘j’ is the variable.
To find ‘j’ we just need to 12 from 25.
So, 25 - 12 = 13
Hence, now we know that ‘j’ is equal to 13.
13 + 12 = 25
Learn more about Equations here
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Mark BRAINLIEST
What is the area of this trapezoid?
50 in²
108 in²
126 in²
192 in²
Answer:
126 in2 or area
Step-by-step explanation:
2x9 for triangle sides then divide 2. =9 add the 2 triangle together =18
18+area of rectangle or 12x9 = 108+18=126
You have a pizza with diameter 12
2
3 in., and a square box that is 12.65 in. across. Write 12
2
3 as a decimal. Can you fit the pizza inside the box?
What is the decimal expansion for 12
2
3?
A.12.6
B.12.65
C.12.6
D.12.66
pls help me
Answer:
D is the right choice and no you cannot fit the pizza inside the box.
Step-by-step explanation:
D is the answer because to turn 2/3 into a decimal you would divide 2 by 3 and the answer you would get would be 0.66666666666...You would then add 12 to the answer and get 12.6666... Once you get this answer you would round it to the hundredths to get 12.67 but since that is not an option you could use D, 12.66 inches.
Answer:
I believe the answer is D.
Step-by-step explanation:
pls help I give brainliest to the best!!!!!!!!!!
Answer:
m
2
−2m+3
Step-by-step explanation:
Answer:
\( { {(m}^{6)} }^{3} \times {m}^{2} \div {m}^{ - 7} \)
\( {m}^{6 \times 3} \times {m}^{2} \div {m}^{ - 7} \)
\( { m}^{18 + 2} \div {m}^{ - 7} \)
\( {m}^{20 - ( - 7)} \)
\( {m}^{20 + 7} \)
\( {m}^{27} \)
How can I find the cube root of 64?
Answer:
4
Step-by-step explanation:
The cube root of 64 is the number which when multiplied by itself three times gives the product as 64. Since 64 can be expressed as 2 × 2 × 2 × 2 × 2 × 2. Therefore, the cube root of 64 = ∛(2 × 2 × 2 × 2 × 2 × 2) = 4.
The cube root of 64 is 4.
Before solving the question, let's understand the concept of cube root.
The cube root of a number is the value obtained by multiplying it by itself three times or thrice. When we multiply 3 by itself three times, we get 3 x 3 x 3 = 27 = 3³, so the cube root of 27 is 3. Thus, we can say that the cube root gives a value that is basically cubed.
The cube root is denoted by ∛
Now, we will find the cube root of 64.
Firstly, we have to find factor 64.
64 = 2 × 2 × 2 × 2 × 2 × 2.
64 = ∛4³
64 = 4
Therefore, the cube root of 64 is 4.
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please help due in 10 minutes will give brainliest.
Answer:
x = 1.5 ft.
Step-by-step explanation:
This is a right triangle, of course, so the Pythagorean Theorem applies.
Looking at this figure, I can see that the hypotenuse is 3.9 feet and one of the legs is 3.6 and feet.
The only side length missing is the second leg.
Here, I am solving for the second leg.
\(a^2+b^2=c^2\)
\(3.6^2+x^2=3.9^2\)
\(12.96 + x^2=15.21\)
\(15.21-12.96=2.25\)
\(x^2=2.25\)
\(x=1.5\)
Therefore, the length of the missing side is 1.5 ft.
1) Find the mean for his data set of days that had a temperature above 400C.
2) Find the median for his data set of days that had a temperature above 400C.
3) Find the mode for his data set of days that had a temperature above 400C.
4) If, instead, there are 5 more days per month that had a temperature above 400C, what will be the mean for the data?
5) If, instead, there are 2 more days per month that had a temperature above 400C, what will be the mode for the data?
6) If the number of days per month that had a temperature above 400C, doubles each month in that year, what will be the median for the data?
7) For what value of x will 9, 16, and x have the same mean (average) as that of 26 and 12?
8) For what value of x will 55 and x have the mean (average) as 67?
9) The mean (average) weight of three boys is 40 pounds. One of the boys weighs 50 pounds. The other two boys have the same weight. Find the weight of each of the boys?
10) A cat consumes 2 cups of milk every day. How much milk does that cat drink on average in a week? What is the mode for the question above?
Statistics Application Problems
Objective: Solve applications using basic statistics
Answer: 1) 11.752) 11.53) 11 and 14 4) 16.755) 13, and 16
Can anyone solve this?
List all the numbers you can for (?) in the fraction ?/10. Each choice must be less then ten, and the fraction formed must be in simplest form [For the ones who can't read what it says.]
Answer:
1, 2, 3, 4, 5, 6, 7, 8, and 9.
Step-by-step explanation:
4 to 7 please helpppppppppppppppp thanks
Step-by-step explanation:
4. P=2*(5+7)=2*12=24 ft
S= 5*7=35 ft
5. P=2*(3+8)=2*11=22 cm
S= 3*8=24 cm
6. P=2*10+12=20+12=32 m
S= 12*8/2=48 m
7. P=12+13+5=30 in.
S= 12*5/2=30 in.
Please answer the bottom question please (the cylinder question)! The first one has been answered already.
Answer:7,065
Step-by-step explanation: 50x75x3.14 then subtract 20x75x3.14
compare the initial value and the range for each of the linear functions of f(x) and g(x)
the domain of each function is the set of all real numbers x such that 8≤ x≤ 12. the table shows some ordered pairs for f(x). The function g(x) is defined by the rule g(x)=7x-3.
x | f(x)
_________
8 | 34
__________
9 | 38
_________
10 | 42
______
11 | 46
_______
12 | 50
Answer:
Solution
First identify the input values. The input value is the first coordinate in an ordered pair. There are no restrictions, as the ordered pairs are simply listed. The domain is the set of the first coordinates of the ordered pairs.
D={2,3,4,5,6}
Next identify the output values. The output value is the second coordinate in an ordered pair. The range is the set of the second coordinates of the ordered pairs. Do not list the same output twice.
The second coordinate in an ordered pair is the output value. The range is the collection of the ordered pairs' second coordinates. Never list the same output more than once.
What is a domain?The domain of the function is defined as the set of all the possible values of the function. A function's range is the collection of values it can take as input. After we enter an x value, the function outputs this sequence of values.
Determine the input values first. The first coordinate in an ordered pair makes up the input value. Since the ordered pairs are just listed, there are no restrictions. The set of the ordered pairs' initial coordinates is known as the domain.
D={2,3,4,5,6}
Next, identify the output values. The output value is the second coordinate in an ordered pair. The range is the set of the second coordinates of the ordered pairs. Do not list the same output twice.
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Solve for x. Show all your work.
Answer:
Step-by-step explanation:
There we go :)
If one cubic foot contains about 7.5 gallons, how many gallons of water are in the pool?
Answer:
Step-by-step explanation:
U should to length x width x height to find your answer
ASAP!!
If 5×6=20+y,
what is the value of y?
Responses
5
6
10
30
Answer:10
Step-by-step explanation:
5x6=30
30-20=10
Y=10
Answer:
\( \sf \longrightarrow \: 5 \times 6 = 20 + y\)
\( \sf \longrightarrow \: 20 + y = 5\times 6 \)
\( \sf \longrightarrow \: 20 + y = 30\)
\( \sf \longrightarrow \: y = 30 - 20\)
\( \sf \longrightarrow \: y = 10\)
Option [C] 10
Please solve this
Thank you
Answer:
14) 20 + x + y
15) y + x + 20
Step-by-step explanation:
Question 14 Explanation:
This question is asking for the total number of books sold on both days.
First Day:
Your friend sold 14 booksYou sold y booksSecond Day:
Your friend sold x booksYou sold 6 booksTo find the total number of books sold on both days, you add all of these values up:
14 + y + x + 6 = 20 + x + yIt doesn't matter in what order you express this thanks to the Communatitive Property of Addition explained below.
Question 15 Explanation:
The Communatitive Property of Addition states that the order of addends do not change the sum. In other words, you can put the addends in any order you want and still get the same sum. You can express 20 + x + y in any order to answer this question (e.g. 20 + y + x, y + x + 20, etc)
Hope this helped!
I need help, again!! Please help fast!!!
Solve for x.
6x+9>21
Graph the solution.
Answer:
The answer is greater than 2
Step-by-step explanation:
6x + 9 > 21
6x + 9 – 9 > 21 – 9
6x > 12
6x/6 > 12/6
x > 2
Thus, The value of x is greater than 2
-TheUnknownScientist 72
Answer: See attached
Step-by-step explanation:
6x+9-9>21-9
6x>12
x>2
I hope this helps! <3