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3 years ago

7

Which of the following represents 32 = 8 × 4?

1 answer:

AleksandrR [38]3 years ago

7 0

Answer:

it's a

Step-by-step explanation:

because its says four multiplied by eight

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Uhh help lol<br> 5.3x + y = 28.5 <br> 4.2x + 3.1y = 27.2<br> find x and y

navik [9.2K]

Answer:

x = 5, y = 2

Step-by-step explanation:

First, isolate y in the top equation.

$y = -5.3x+28.5$

Next, substitute y in the bottom equation.

$4.2x + 3.1(-5.3x + 28.5) = 27.2$

$5.3x + y = 28.5$

Simplify.

$4.2x + -16.43x + 88.35 = 27.2$

Combine like terms.

$-12.23x + 88.35 = 27.2$

Isolate x on one side.

$-12.23x = -61.15$

Isolate x.

$x = 5$

Substitute x into $5.3x + y = 28.5$

$5.3(5) + y = 28.5$

Simplify.

$26.5 + y = 28.5$

Isolate y.

$y = 2$

$x = 5 \\y = 2$

6 0

3 years ago

X+y=4<br>x²+y²=40<br>solve simulation

nikdorinn [45]

Use the website math papa it’ll give you the answers for that I promise

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3 years ago

Which value is equivalent to the expression 23 + 34? A) 18 B) 72 C) 78 D) 89

Darya [45]

Answer:

none

Step-by-step explanation:

23+34=57

5 0

3 years ago

Read 2 more answers

Svetllana [295]

B for sure because yes

8 0

3 years ago

a manufacturing company with 450 employees begins a new product line and mist increase their number of employees by 18%. how man

Mamont248 [21]

Answer

531

Step by step

Calculate 18% of 450, 450/1 * 18/100=81
Add 81 to 450, 450+81=531

4 0

3 years ago