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3 years ago

Need help with proportions please all 3!!

Mathematics

1 answer:

denis23 [38]3 years ago

7 0

For question 4 it will be 416.666666667 so to make it easier you can just put "They have to provide about 416.67 pound of food each day"

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.003 is 1/10 of 0.03?

Ksju [112]

Yes, 0.003 is 1/10 of 0.03, since 0.03/10=0.003. A good trick to answer these problem is to add another 0 while you are in the decimals, dividing by 10.

6 0

3 years ago

-2x+4y=28<br> -3x +2y = 6<br> Solve for x

NNADVOKAT [17]

Answer:

x=4, y=9

Step-by-step explanation:

Solve with substitution.

3 0

2 years ago

Find three consecutive even integers whose sum is −24

labwork [276]

Answer: $-10,-8,-6$

Step-by-step explanation:

Let be:

$x$ , $x+2$ and $x+4$ the three consecutive even integers whose sum is -24

Then, we can write this expression:

$x+(x+2)+(x+4)=-24$

Now, we must solve for "x":

$3x+6=-24\\\\3x=-24-6\\\\3x=-30\\\\x=\frac{-30}{3}\\\\x=-10$

Then you get that the others integers are:

$x+2=-10+2=-8$

$x+4=-10+4=-6$

Therefore, the three consecutive even integers whose sum is -24 are:

$-10,-8,-6$

6 0

3 years ago

Read 2 more answers

The ratio of the length to the width of a picture is 5:2. The picture is enlarged so that its length is 15 inches now. What is t

Maru [420]

The answer is B.
The ratio is multiplied by three so 5 times 3 is 15 and 2 times 3 is 6.

8 0

3 years ago

Simplify x^3 y^3 / x^3 y^3

Marysya12 [62]

Answer:

$\frac{1}{y}$

Step-by-step explanation:

When simplifying an exponent a way to do is to expand the exponent. This means that it will now be

$\frac{x*x*x*y*y*y}{x*x*x*y*y}$

Whenever you see an x or y on the numerator and denominator cross it out because it is the same thing as 1

When you cross out all of the x's and y's the only variable left is y in the denominator. This means that the answer is $\frac{1}{y}$

5 0

3 years ago