Your mother has a new cell phone. It comes with 18 applications already installed. She uses only "2" /"3" of those applications. She downloaded an additional 12 applications that she uses regularly. Write an equation to represent the total number of applications your mom uses.

Answer:

x=5

Step-by-step explanation:

step1: subtraction 7 from both sides (from 7 itself and 22)

step 2: divide both sides by 3

3x +7 =22

     -7 =-7

     3x=15

3x/3 = 25/3

   x=5

Answer:

14:2

Step-by-step explanation:

1 coin is one part, one bill is one part

14:2

Answer:

85 degrees

Step-by-step explanation:

Answer:the last one

Step-by-step explanation: if his measurement is 8 inches and the M.A.D is 4 inches the others will range less than his.

Answer:

45 inches

Step-by-step explanation:

The perimeter of the picture before scaling is:

P = L+W+L+W

P = 4+5+4+5

P = 18

Multiply the perimeter by the scale factor.

P = 18 * 2.5

P =45

Answer:

15

Step-by-step explanation:

Answer:

\(\frac{2(3)+6^2}{6} =42/6=7\)

Answer:

7

Step-by-step explanation:

plug in the values of the variables and use order of operations.

2·3+6^2/6

2·3+36/6

6+36/6

42/6

7

Answer: 1. a. 15     b. 11     c. 2     d. 7     e. 5.5

2.  Stem:                   Leaf:

        1                           9

        2                         5, 9

        3                        3, 3, 8

        4                        0, 7, 9

        5                          4, 5

        6                           1, 5

        7                           2, 7

        8                             1

3. a. 13 inches        b. I'm pretty sure that it is the second quarter because there is more snow.           c. The first quarter because it's section is more spread out among the numbers.

Step-by-step explanation:

Answer:

5/6

Step-by-step explanation:

1 1/3 - 1/2

Convert 1 1/3 into an improper fraction: 4/3.

4/3 - 1/2 = 5/6

Hope this helped buddy!

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

Answer:

Explained Below

Step-by-step explanation:

200 people with those email addys might be people you know. While collecting addys randomly is a random sample.

its straight forward

Answer:

(x, y) = (4, 11).

Step-by-step explanation:

We have two equations:

3(y-2x) = 9

x - 4 = 0

From equation 2, we have x = 4. We can substitute this value into equation 1 and solve for y:

3(y-2x) = 9

3(y-2(4)) = 9 (substitute x = 4)

3(y-8) = 9

3y - 24 = 9

3y = 33

y = 11

Therefore, the solution to the system of equations is (x, y) = (4, 11).

Answer

x=4

Step-by-step explanation:

Answer:

Shape representation

Yellow = 1 whole unit

Blue = 1/3

Red = 1/2

Green = 1/6

1)  see attachment

2) 7  1/2s in 3 1/2

   8  1/3s in 2 2/3

   4  1/6ths in 2/3

9514 1404 393

Answer:

  obtuse

Step-by-step explanation:

The law of cosines tells you ...

  b² = a² +c² -2ac·cos(B)

Substituting for a²+c² using the given equation, we have ...

  b² = b²·cos(B)² -2ac·cos(B)

We can subtract b² to get a quadratic in standard form for cos(B).

  b²·cos(B)² -2ac·cos(B) -b² = 0

Solving this using the quadratic formula gives ...

  \(\cos(B)=\dfrac{-(-2ac)\pm\sqrt{(-2ac)^2-4(b^2)(-b^2)}}{2b^2}\\\\\cos(B)=\dfrac{ac}{b^2}\pm\sqrt{\left(\dfrac{ac}{b^2}\right)^2+1}\)

The fraction ac/b² is always positive, so the term on the right (the square root) is always greater than 1. The value of cos(B) cannot be greater than 1, so the only viable value for cos(B) is ...

  \(\cos(B)=\dfrac{ac}{b^2}-\sqrt{\left(\dfrac{ac}{b^2}\right)^2+1}\)

The value of the radical is necessarily greater than ac/b², so cos(B) is necessarily negative. When cos(B) < 0, B > 90°. The triangle is obtuse.

Answer:

25

Step-by-step explanation:

Answer:

idek i got some else im sorry

Step-by-step explanation:

Answer:

7.92π square inches

Step-by-step explanation:

I took the test and got it right :)

Answer:

Of course I can.

A.345.6 feet^2

Answer: Z=14

Step-by-step explanation:

Simplify the equation: 1/4z=7/2

then multiple both sides by 4:

4 (1/4) = 4 (7/2)

z= 14

Answer: z=14

Step-by-step explanation: very easy

1/4z = 3 1/2 Divide each side by 1/4 to isolate z

3 1/2 will be divided by 1/4

How to divide 3 1/2 by 1/4?
Keep, change, flip.

First: Convert 3 1/2 to an improper fraction which is 7/2

Second: 7/2 / 1/4 keep 7/2

7/2 x 1/4 change from dividing to multiplying

7/2 x 4/1 flip 1/4 around to make it 4/1

28/2 multiply and then simplify to 14.

so the answer is 14

Explanation:

The data from the stem-and-leaf plot is:

10,

24,25,26,

30,30,32,33,

40,45,46

Add up those values

10+24+25+26+30+30+32+33+40+45+46 = 341

Then divide over n = 11 which is the sample size.

341/11 = 31 is the arithmetic mean.

Answer:

341/11 = 31 is the arithmetic mean.

Step-by-step explanation:

Answer:

x²+10xy+25y²

Step-by-step explanation:

(x+5y)²=(x+5y)(x+5y)=x×x+5y×x+x×5y+5y×5y=x²+5xy+5xy+25y²=x²+10xy+25y²

But it can be much easier

(a+b)²=a²+2ab+b²

Answer: 32

Step-by-step explanation:

The only numbers that can have 2 digits and two of which equal to five can only be:

3+2

2+3

4+1

1+4

So the numbers are: 41,14,23, and 32.

41-9=32

14-9=5

23-9=14

32-9=23

Since the question is asking for the number who’s difference is the reverse of one of the numbers. The only possible answer is 32 because 32-9= 23. (23 is the reverse of 32)

By proportion that is:(54/150) * 8450= 54 * 56 1/3= 3042

Answer:

By proportion that is:(54/150) * 8450= 54 * 56 1/3= 3042

Step-by-step explanation:

Answer:

a

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

The L.C.M of the denominators is 30. Then, divide this 30 by the denominators respectively and multiply each quotient by each of their numerator. For example,6(the first denominator) divide 30=5,then multiply 5 by 1. Do this for all of them. Add the results and divide by 30. That is 42/30=1 2/5

Answer:

You will pay $12.75

Step-by-step explanation: