4 years ago

4. Simplify the expression. -3(b – 7)

Mathematics

2 answers:

astraxan [27]4 years ago

6 0

i believe the answer is -3b+21

djyliett [7]4 years ago

4 0

-3(b-7)
-3b+21=0
-3b=-21(minus will cancel minus)
b=21/3
b=7

You might be interested in

At the mini-mart, Kathy spent $1.39 for a muffin, $2.99 for milk, and $0.99 for a bag of chips. About how much did he spend?

Butoxors [25]

He spent $5.37 in total for the muffin, chips, and milk.

7 0

3 years ago

Read 2 more answers

The segments shown below could form a triangle.<br><br> A. True<br> B. False

suter [353]

answer TRUE because they would make a triangle

7 0

3 years ago

Read 2 more answers

the area of the shaded portion of the diagram below is equal to half the total area. find the area of the unshaded part.

BabaBlast [244]

Answer:

27 cm^2

Step-by-step explanation:

Suppose the line divided the triangle into two equal triangles

The side lengths for unshaded area is 6 9 10

To find the area of a triangle all we do is multiply height with base and that divided by two

9×6÷2 = 27 cm^2

4 0

3 years ago

According to the triangle proportionality theorem, which proportion is correct?

vfiekz [6]

According to triangle proportionality theorem:

If a line parallel to one side of a triangle intersects the other two sides of the triangle, then the line divides these two sides proportionally.

And in the given triangle, MN parallel to BC, So MN divided the two sides in proportion, that is

$\frac{MB}{AM}=\frac{NC}{AN}$

Correct option is the third option .

3 0

3 years ago

Read 2 more answers

Simplify these 2 questions:

kaheart [24]

Answer:

Hope the answer It'll help you:)

6 0

3 years ago