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3 years ago

What 17 multiply and adds to get -2

Mathematics

2 answers:

Marrrta [24]3 years ago

8 0

17 * 0 + -2.

Now we rewrite the equation and make it 17 * 0 - 2 and u get -2.

Kisachek [45]3 years ago

6 0

If it was -19+17 the answer is -2

and for multiplication it's impossible to get -2 with 17 unless you try subtracting and adding then yes there's a change<span />

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2 years ago

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Common factors of 8xy⁴,6x²y,10x²y²

Citrus2011 [14]

Answer:

$2^{3}$ ×5×3× $x^{2}$ × $y^{4}$

Step-by-step explanation:

$8xy^{4}$ = $2^{3}$ × $x$ × $y^{4}$

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2 years ago

which of these shows the result of using the first equation to substitute for y in the second equation, then combining like term

Furkat [3]

Answer:

C. $\Rightarrow \bold{8x = 16}$

Step-by-step explanation:

Given the two equations:

$y=2x ........ (1)\\ 2x+3y=16.......(2)$

To find:

The correct option when value of y is substituted to 2nd equation using the 1st equation.

Solution:

First of all, let us learn about the substitution method.

Substitution method is the method to provide solutions to two variables when we have two equations and two variables.

In substitution method, we find the value of one variable in terms of the other variable and put this value in the other equation.

Now, the other equation becomes only single variable and then we solve for the variable's value.

Here, we have two equations and value of one varible is:

$y=2x$

Let us put value of y in 2nd equation:

$2x+3y=16\\\Rightarrow 2x + 3(2x) = 16\\\Rightarrow 2x + 6x = 16\\\Rightarrow \bold{8x=16}$

So, the correct answer is option C. $\Rightarrow \bold{8x = 16}$

7 0

3 years ago

Could someone please help me with these systems. I have to use substitution.

FromTheMoon [43]

Isolate one term (x or y) in one of the equations

6x+6y=0
6x=-6y
X= -1y

Substitute x=-y into the other equation

-7(-y) + 2y =18

7y + 2y =18

9y=18

Y=2

Substitute y=2 into 6x+6y=0

6x + 6(2) = 0

6x + 12=0

6x= -12

X = -2

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3 years ago

A scale drawing of a city has an area of 100 inches. Each inch on the drawing represents 2 miles. What is the area of the city?

Free_Kalibri [48]

Answer:

200 miles

Step-by-step explanation:

100 x 2

5 0

3 years ago