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2 years ago

Translate the sentence into an equation. Seven times the sum of a number and 9 is 2.

Mathematics

2 answers:

slega [8]2 years ago

8 0

Answer:

7(x+9)=2

Step-by-step explanation:

scoray [572]2 years ago

7 0

7(9+2)=

i think that’s right sorry if not

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Add. [12 − 6] [−2 14] (matrix format)

mafiozo [28]

Answer:

The answer is C

Step-by-step explanation:

12-(-2)=10 -6+14=8 1+5=6 -10+15=5

4 0

2 years ago

Given that G(x) = 5/2 * x - 7/2 what is x if G(x) = 39 Show your work.

mylen [45]

Answer:

5/(760=76

Step-by-step explanation:

6 0

3 years ago

Y= - x+2 Y=3x-4<br> Estimate the solution to the system of equations

IrinaVladis [17]

Answer:

$x=\frac{3}{2}\\ y=\frac{1}{2}$

Step-by-step explanation:

$y=-x+2\\y=3x-4$

Let's solve one of them for x.

$y=3x-4$

Add 4

$y+4=3x$

Divide by 3.

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

Now, plug the value of y in the formula, or you can plug the value of x in the other equation. I'll take this one.

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

$x=\frac{(-x+2)+4}{3}$

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

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

Multiply by 3 to get rid of the denominator.

$3x=-x+6$

add x

$3x+x=6$

Combine like terms;

$4x=6$

Divide by 4.

$x=\frac{6}{4}$

Simplify.

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

Now that you found the value of x, replace it in any of the equations to find y.

$y=-x+2\\y=-(\frac{3}{2})+2\\ y=-\frac{3}{2}+2$

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

Proof:

$y=3x-4\\\frac{1}{2}=3(\frac{3}{2})-4\\\frac{1}{2}=(\frac{9}{2})-4$

$\frac{1}{2}=\frac{9-4*2}{2}$

$\frac{1}{2}=\frac{9-8}{2}$

$\frac{1}{2}=\frac{1}{2}$

8 0

3 years ago

Solve this problem using the Distributive Property.<br><br> 2 ( 7 + 8 ) =

maria [59]

Answer:

Step-by-step explanation:

Original Equation: 2(7 + 8)

So you have to multiply 2 by 7 which equals 14

Then you multiply 2 by 8 which equals 16

Your equation should now look like this: 14 + 16

Add 14 and 16 together.

Your answer is 30

Hope I helped :)

Please condsider brainliest

7 0

3 years ago

The least common multiple of two numbers is 60, and one of the numbers is 7 less than the other number. What are the numbers? Ju

Aleks [24]

To do this we need to find the factors of 60 these are:
1 and 60
2 and 30
3 and 20
4 and 15
5 and 12
6 and 10
There is 1 pair that have a difference of 7 and that is 5 and 12

6 0

3 years ago