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3 years ago

Solve the equation. 6 = 2(x + 8) - 5x

Mathematics

1 answer:

Lerok [7]3 years ago

4 0

For the firste question: x = 3 1/3 -> B

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CAN SOMEONE PLEASE HELP ME WITH THIS !!!!!

STatiana [176]

Answer:

Step-by-step explanation:

5 x 12

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3 years ago

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What is the value of 32 tens

trapecia [35]

320 has the same value as 32 tens

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Find f(-2) if f(x) = x + x + 7. f(-2) =

Lynna [10]

Answer:

f(-2) = 9

Step-by-step explanation:

Given that,

f(x) = x² + x + 7

We need to find the value of f(-2).

Put x = -2 in the given function.

f(-2) = (-2)² + (-2) + 7

= 4-2+7

= 9

Hence, the value of f(-2) is equal to 9.

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3 years ago

Is my answer correct?

kotykmax [81]

Answer:

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3 years ago

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Ella collects 50 bottles to recycle. Of the bottles she collects, 19 are plastic and the rest are glass.

nekit [7.7K]

QUESTION A

The total number of bottles Ella collected is
$50$

The number of bottles that are plastic is

$19$

The percentage of bottles that are plastic is

$= \frac{number \: of \: plastic \: bottles}{total \: number \: of \: bottes} \times 100\%$

$= \frac{19}{50} \times 100\%$

$= 19 \times 2\%$
$= 38\%$

Therefore 38% of the bottles are plastic.

QUESTION B

The total number of bottles that are glass is
$50 - 19 = 31$

The total number of bottles Ella collected is
$50$

The percentage of bottles that is glass is
$= \frac{number \: of \: glass \: bottles}{total \: number \: of \: bottles} \times 100\%$

$= \frac{31}{50} \times 100\%$

$= 31 \times 2\%$
$= 62\%$

Therefore 62% of the bottles are glass

8 0

3 years ago