3/8x ___=1 complete the statement

Mathematics

1 answer:

morpeh [17]4 years ago

7 0

Answer:

8/3

Step-by-step explanation:

The answer is 8/3 because when dealing with fractions, if you multiply the fraction by its reciprocal, the fraction will always equal 1.

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Which criterion can be used to prove ABC and ADC are congruent?

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∠BAC=∠DCA, and
∠ACB=∠SAD.
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Read 2 more answers

If y = -12 when x = 9, find u when x = -4

True [87]

Answer:

y should equal -25 if i did the math right

Step-by-step explanation:

-12 and 9 have a difference of -21 so if i subtract -21 from -4 it would equal -25.. hope this helps!!

4 0

3 years ago

help with number 2 please i have no idea how to do this. it would be very helpful if you can show the steps

zloy xaker [14]

So in this case, we have to replace the known value.
y=3
y=-2x+3

3=-2x+3

Then we leave our unknown value alone.
$\frac{3-3}{2}$ = x

In this case, our x value would be 0.

We check it...
3=-2(0)+3
3=0+3
3=3

So y=3 x=0

For the second one we have...
y=3x+2
y=-3x-4

For this we substitute the y in any of the equation...
3x+2=-3x-4

We move the unknown values to one side and the ones without unlown values to the other side...
3x+3x=-4-2

Then we solve
6x=-6

Then we leave the unknown value alone.
x= $\frac{-6}{6}$

Then solve for x.
x= -1

Then for our y value we return to one of the original equations and substitute the x value.
y=3x+2
y=3(-1)+2
y=-3+2
y=-1

y=-3x-4
y=-3(-1)-4
y=3-4
y=-1

So in this case we got that x= -1 and y= -1

4 0

4 years ago