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2 years ago

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Solve the inequality. E

xplain all steps and identify the properties used. 3a - 4 < 5 ►

Mathematics

1 answer:

Naily [24]2 years ago

3 0

$\begin{gathered} 3a-4$

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Find the interior angle sum for the following polygon.

Strike441 [17]

We know that the interior angle sum of a polygon is (n − 2) × 180°, where <em>n</em> is the number of sides.

Here, number of sides (n) = 12

So, interior angle sum = (n − 2) × 180°

=> interior angle sum = (12 - 2) × 180°

=> interior angle sum = 10 × 180°

=> interior angle sum = 1800°

So, the interior angle sum of this polygon is 1800°.

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3 years ago

9. What statements are NOT true about the<br> solution of the system?

Crazy boy [7]

Answer:

A, B, C, and E

Step-by-step explanation:

y = 4x - 20

8x - 2y = - 20 (divide everything by 2)

4x - y = -10

-y = -4x - 10

y = 4x - 10

4x - 10 = 4x - 20

0 $\neq$ -10

No solution

7 0

2 years ago

You put $10,000 in a simple interest account at a bank. You will earn $1,800 in just 4 years. What is the annual interest rate f

Alik [6]

If you divide 1,800 by 4, you get 450.

6 0

4 years ago

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(2a^x + b^x)^2 i need help ASAP

Finger [1]

Answer:

4 $a^{2x}$ + 4 $a^{x}$ $b^{x}$ + $b^{2x}$

Step-by-step explanation:

Using the rule of exponents

$a^{m}$ × $a^{n}$ ⇔ $a^{(m+n)}$

Given

(2 $a^{x}$ + $b^{x}$ ) = (2 $a^{x}$ + $b^{x}$ )(2 $a^{x}$ + $b^{x}$ )

Each term in the second factor is multiplied by each term in the first factor, that is

2 $a^{x}$ (2 $a^{x}$ + $b^{x}$ ) + $b^{x}$ (2 $a^{x}$ + $b^{x}$ ) ← distribute both parenthesis

= 4 $a^{2x}$ +2 $a^{x}$ $b^{x}$ + 2 $a^{x}$ $b^{x}$ + $b^{2x}$ ← collect like terms

= 4 $a^{2x}$ + 4 $a^{x}$ $b^{x}$ + $b^{2x}$

6 0

3 years ago

There are 48 students in a school band. The ratio of girls to boys is 5:7. How many girls are in the band? How many boys are in

ASHA 777 [7]

Step by step explanation:
5:7
= 5+7 = 12
48 ÷ 12 = 4
1 part of ratio = 4
4 x 7 = 28
so there are 28 boys.

3 0

3 years ago

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