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4 years ago

12

What is 2+(g+5)simplified =

1 answer:

Rainbow [258]4 years ago

3 0

I think it should be 7g?
Not sure tho

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Convert the rational number below to a decimal. Round to the

masha68 [24]

Answer:

10.33

Step-by-step explanation:

$\frac{31}{3}$ is equal to 31 divided by 3, which is 10.33333333333333333...

Rounded to the nearest hundredth we get 10.33.

Hope this helps!

5 0

4 years ago

2x-5y=9<br> 3x+4y=2<br> solve the simultaneous equations

wariber [46]

$\huge\boxed{x=2;\ y=-1}$

$\left\{{{2x-5y=9}\atop{3x+4y=2}}\right$

First, we will solve the second equation for $x$ . Subtract $4y$ from both sides of the second equation.

$3x=2-4y$

Divide both sides of the second equation by $3$ .

$x=\frac{2}{3}-\frac{4}{3}y$

$\left\{{{2x-5y=9}\atop{x=\frac{2}{3}-\frac{4}{3}y}}\right$

Substitute the value of $x$ from the second equation into the first.

$\left\{{{2(\frac{2}{3}-\frac{4}{3}y)-5y=9}\atop{x=\frac{2}{3}-\frac{4}{3}y}}\right$

$2(\frac{2}{3}-\frac{4}{3}y)-5y=9$

We will solve the first equation for $y$ .

Distribute the $2$ to the $(\frac{2}{3}-\frac{4}{3}y)$ .

$\frac{4}{3}-\frac{8}{3}y-5y=9$

Combine the like terms.

$\frac{4}{3}-\frac{23}{3}y=9$

Add $\frac{4}{3}$ on both sides.

$-\frac{23}{3}y=9-\frac{4}{3}$

$-\frac{23}{3}y=\frac{23}{3}$

Divide both sides by $\frac{23}{3}$ .

$-y=1$

Multiply both sides by $-1$ .

$y=\boxed{-1}$

Substitute the value of $y$ into the second equation.

$\left\{{{y=-1}\atop{x=\frac{2}{3}-\frac{4}{3}y}}\right$

$x=\frac{2}{3}-\frac{4}{3}*-1$

Multiply.

$x=\frac{2}{3}+\frac{4}{3}$

Add.

$x=\frac{6}{3}$

$x=\boxed{2}$

5 0

3 years ago

Read 2 more answers

On a standardized test, a score of 82 falls exactly 1 standard deviation below the mean. If the standard deviation for the test

dolphi86 [110]

Answer:

The correct answer is 86.

Step-by-step explanation:

Because 82 is only one standard deviation below the mean, then to find the mean, only add 82 + 4 = 86

7 0

4 years ago

Plz help meeee -28=n(-7)

In-s [12.5K]

Answer:

n=4

Step-by-step explanation:

-28 divided by -7 is 4

4 0

3 years ago

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At the grocery store, Charlie bought a jar of spaghetti sauce for $2.49, a package of spaghetti noodles for $1.58, and a gallon

aleksandr82 [10.1K]

B, he should get back 2.76

6 0

4 years ago

Read 2 more answers