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Nastasia [14]
3 years ago
11

4(7+v) help me please i am so confused

Mathematics
2 answers:
DanielleElmas [232]3 years ago
3 0

Answer:

28+4v

Step-by-step explanation:

multiply each term in parenthesis by 4.

multiply the numbers <u>4×7</u>+4v

= the solution 28+4v

aleksandr82 [10.1K]3 years ago
3 0

Answer:

V = -7 or 28 + 4V

Step-by-step explanation:

distribute the 4 to the 7 and V ---> 28 + 4v = 0

subtract 28 from both sides ---> 4V = -28

divide 4 by both sides --> V = -7

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Help! Please! Geometry!!
DiKsa [7]

9.

By the Segment Addition Postulate, SAP, we have

XY + YZ = XZ

so

YZ = XZ - XY = 5 cm - 2 cm = 3 cm

10.

M is the midpoint of XZ=5 cm so

XM = 5 cm / 2 =  2.5 cm

11.

XY + YM = XM

YM = XM - XY = 2.5 cm - 2 cm = 0.5 cm

12.

The midpoint is just the average of the coordinate A(-3,2), B(5,-4)

M = (A+B)/2 = \left( \dfrac{-3 + 5}{2}, \dfrac{2 + -4}{2} \right)

Answer: M is (1,-1)

You'll have to plot it yourself.

13.

For distances we calculate hypotenuses of a right triangle using the distnace formula or the Pythagorean Theorem.

AB^2 =(5 - -3)^2 + (-4 - 2)^2 = 8^2 + 6^2 = 100

Answer: AB=10

M is the midpoint of AB so

Answer: AM=MB=5

14.

B is the midpoint of AC.   We have A(-3,2), B(5,-4)

B = (A+C)/2

2B = A + C

C = 2B - A

C = ( 2(5) - -3, 2(-4) - 2 ) = (13, -10)

Check the midpoint of AC:

(A+C)/2 = ( (-3 + 13)/2, (2 + -10)/2 ) = (5, -4) = B, good

Answer: C is (13, -10)

Again I'll leave the plotting to you.

5 0
3 years ago
Liam is setting up folding chairs for a meeting. If he arranges the chairs in 9 rows of the same length, he has 3 chairs left ov
exis [7]

9x + 3 = 7x +19

2x + 3 = 19

2x = 16

x = 8

So, x (8) is the number of chairs in each row with these setups. 

Plug 8 into one of the equations and you will find how many chairs total there are.

9(8) + 3 = 75

There are 75 chairs total

8 0
4 years ago
Simplify\:\sqrt[3]{27x^{15}}y^{24}
Free_Kalibri [48]

Answer:

3x^{5}y^{24}

Step-by-step explanation:

\sqrt[3]{27x^{15}}y^{24} =

= \sqrt[3]{3^3x^{15}}y^{24}

= (3^3x^{15})^{\frac{1}{3}}y^{24}

= (3^3)^{\frac{1}{3}}(x^{15})^{\frac{1}{3}}y^{24}

= 3^{3 \times \frac{1}{3}}x^{15 \times \frac{1}{3}}y^{24}

= 3^1x^{5}y^{24}

= 3x^{5}y^{24}

4 0
4 years ago
Somebody who knows this plz!!!! <br> answer it has to be correct :/<br> (Will mark as brainliest)
Lerok [7]

Answer:

Answer Below

Step-by-step explanation:

45) 96, 432, and 1092

46) 372 and 9404

47) 4168, 808, 216, and 5608

7 0
3 years ago
Read 2 more answers
jason had 3/4 pound of salami.he used 1/3pound for sandwiches&gt;how many ounds of salami deos he have left?A.1/4lb/B.1/3lb/C.5/
Ksivusya [100]
Here's the steps 
3/4-(1/3) = 0<span>
3/4-1/3 = 0

5/12 
</span>
5 0
3 years ago
Read 2 more answers
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