Simplify the expression 4-3(2+5v)+7

Answers

Answer 1

Answer: 4-3(2+5v)+7

= 4-(6+6c)+7
= 4-6-6v+7
= -2-6v+7
= 4-6v
= 2(2-3v) (ans)

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Can anyone please help me with theseEvaluate the following expression
4(×+2)=
3 (a+2)=
2 (×+3)=

Answers

Answer:

4(x+2) = 4*x + 4*2 = 4x+8

3(a+2) = 3*a + 3*2 = 3a + 6

2(x+3) = 2*x + 2*3 = 2x +6

Hope this help you :3

Step-by-step explanation:

Use the distributive property a(b + c) = ab + ac

4(x + 2) = (4)(x) + (4)(2) = 4x + 8

3(a + 2) = (3)(a) + (3)(2) = 3a + 6

2(x + 3) = (2)(x) + (2)(3) = 2x + 6

If the area of the triangle ABC is 450 cm², m (< B) = 82° and m (< C) = 56°, Find the value of a (BC)

Answers

45 is BA so 50 is BC

So I know that |-5| =5 but what does this -|-5| equal? and explain why

Answers

absolute value
means whatever is inside is positive, once we resolve the inside, work out

|-5|=5

now -5=?=-5

answer is -5 since - of + is negaitve
if you don't get it still think like this

|-5|=5
mulitp;ly by -1 everybody
-|-5|=-5

Choose a number from 111 to 120 . Write the number. Draw a picture to show it as tens and ones

Answers

Let's go with 114.
Every 0 will represent a 10 and every I will represent a 1.

0 0 0 0 0 0 0 0 0 0 0 I I I I

116
Each o will represent 1 and each l will represent 10

l l l l l l l l l l l o o o o o o

The prism has a surface area of 1312 mm2.What would the surface area of the prism be if each dimension were halved?

mm2

Prism with a length of thirty-two millimeters, a width of ten millimeters, and a height eight millimeters

Answers

Surface Area = 2(lw + lh + wh)

Divide each dimension by half, and then plug it in to the formula.

32/2 = 18
10/2 = 5
8/2 = 4

Surface Area = 2((4)(5) + (4)(18) + (5)(18))
SA = 2(20 + 72 + 90)
SA = 2(182)

SA = 364

The surface area if each dimension was halved would be 364 mm^2.

Cara is picking out fabric for her bedroom. She has 12 fabric samples, and 2 of them are solid. What is the probability that a randomly selected fabric sample will be solid?

Answers

i think that its 6 cause 12 / 6 =2

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