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Vikentia [17]
4 years ago
7

Solve the system of equations. - 5y + 8x = -18 5y + 20 = 58

Mathematics
1 answer:
likoan [24]4 years ago
6 0

Answer:

Step-by-step explanation 2

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24 is 75%, percent of what number?
puteri [66]

Turn percentage into a decimal.

75% = 0.75

Divide

24 / 0.75 = 32

24 is 75% of 32.

Hope This Helped! Good Luck!

4 0
3 years ago
Calculate the circumference of each circle. Round your answer to the nearest hundredth.
lord [1]

Answer: 39.58 cm

Step-by-step explanation:

The circumference of a circle is 2 times  the radius times pi or  pi times the diameter.  so we know the diameter is 12.6 so just multiply it by pie.

12.6 * pi = 39.584

Now rounded to the nearest hundredth is 39.58.

8 0
3 years ago
Solve -17 = for x. x =
ANTONII [103]

Answer:

-17

Step-by-step explanation:

8 0
3 years ago
Janelle came to bat 464 times in 131 games. At this rate, how many times should she expect to have at bat in a full season of 16
marishachu [46]

The rate at which she bats is an illustration of ratio and proportions

She's expected to bat 574 times in 162 games

In 131 games, she bat 464 times

Represent this as a ratio

\mathbf{Ratio = 131 : 464}

Let the number of times she bat in 162 games be represented with x.

So, the ratio is represented as:

\mathbf{Ratio = 162 : x}

Equate both ratios

\mathbf{162 : x = 131 : 464}

Express as fractions

\mathbf{\frac{x}{162 }= \frac{464}{131 }}

Multiply both sides by 162

\mathbf{x= \frac{464}{131 } \times 162}

Multiply

\mathbf{x= \frac{75168}{131 } }

Divide

\mathbf{x= 574}

Hence, she's expected to bat 574 times in 162 games

Read more about ratios and proportions at:

brainly.com/question/7810782

8 0
2 years ago
3x - 5y = -2
katen-ka-za [31]
<h3>Option B</h3><h3>Multiply first equation by -2 and second equation by 3, solution (1, 1)</h3>

<em><u>Solution:</u></em>

<em><u>Given system of equations are:</u></em>

3x - 5y = -2 -------- eqn 1

2x + y = 3 ------- eqn 2

We have to solve the system of equations

Multiply eqn 1 by -2

-6x + 10y = 4 ------- eqn 3

Multiply eqn 2 by 3

6x + 3y = 9 -------- eqn 4

Add eqn 3 and eqn 4

-6x + 10y = 4

6x + 3y = 9

( + ) ------------

13y = 13

y = 1

Substitute y = 1 in eqn 2

2x + 1 = 3

2x = 2

x = 1

Thus solution is (1, 1)

Thus option B is correct

8 0
3 years ago
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