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3 years ago

11

Simplify this expression 10x-5y+2x-3y

2 answers:

goldfiish [28.3K]3 years ago

8 0

Answer:

Step-by-step explanation:

SO first combine like terms

You start with 10x-5y+2x-3y

so combine the terms with x

your new equation would be 12x-5y-3y

then combine the terms with y

so your final simplified would be

12x-8y

i haven't done this in a while but i hope that is right and helps :)

slamgirl [31]3 years ago

3 0

Answer: 12x-8y

Step-by-step explanation:

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What is the value of c in the equation below? 2^-4(2^2)=a^b=c

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Answer:

The answer is option 4.

Step-by-step explanation:

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3 years ago

The ratio of students to adults on a field trip is 8 to 1. Which table correctly shows this ratio for each grade?

elena-14-01-66 [18.8K]

Answer:

The table C correctly shows the ratio 8:1 for each grade

Step-by-step explanation:

Let

x ----> the number of students

y ----> the number of adults

we know that

$\frac{x}{y}=\frac{8}{1}$

<u><em>Verify each table</em></u>

Table A

grade 6

$\frac{96}{88}=\frac{8}{1}$

Multiply in cross

$96(1)=8(88)$ ----> is not true

Table B

grade 6

$\frac{96}{104}=\frac{8}{1}$

Multiply in cross

$96(1)=8(104)$ ----> is not true

Table C

<u><em>grade 6</em></u>

\frac{96}{12}=\frac{8}{1}

Multiply in cross

$96(1)=8(12)$

$96=96$ ----> is true

<u><em>grade 7</em></u>

$\frac{120}{15}=\frac{8}{1}$

Multiply in cross

$120(1)=8(15)$

$120=120$ ----> is true

<u><em>grade 8</em></u>

\frac{136}{17}=\frac{8}{1}

Multiply in cross

$136(1)=8(17)$

$136=136$ ----> is true

therefore

The table C correctly shows the ratio 8:1 for each grade

Table D

<u><em>grade 6</em></u>

$\frac{96}{11}=\frac{8}{1}$

Multiply in cross

$96(1)=8(11)$ ----> is not true

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3 years ago

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