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astra-53 [7]
3 years ago
13

1: In Rectangle ABCD, AC is 5x - 12, and BD is 2x + 15. Find x.

Mathematics
1 answer:
Mice21 [21]3 years ago
8 0

Answer:

X=9

Step-by-step explanation:

In the picture above.

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1: 63 is 75% of what number?
MissTica
1. It is 84.
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4 less than half a number is equal to 2 more than the number
xxMikexx [17]

Answer:

-12

Step-by-step explanation:

Let that number be x. We can build an equation, and solve for x.

4 less than half of x is x/2-4.

2 more than x is x+2.

We are given that the two quantities are equal, so we have that x/2-4=x+2.

Adding 4 to both sides gives x/2=x+6.

Multiplying both sides by 2 gives x=2(x+6)=2x+12.

Subtracting 2x from both sides gives -x=12.

Multiplying both sides by -1 gives x=-12.

So, the number is \boxed{-12} and we're done!

The check is left as an exercise to the reader.

3 0
3 years ago
what is the maximum volume of water a hamster bath can hold with a depth of 1 2/3, a length of 2 1/3 inches, and a width of 2 in
8_murik_8 [283]
The volume is 70/9 or 7 7/9.
=========================================
\frac{5}{3}  \times  \frac{7}{3}  \times  \frac{2}{1}  =  \frac{70}{9}
\frac{70}{9}  = 7 \frac{7}{9}
l \times w \times h = v
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What's the ratio of 75 to 80?
oksano4ka [1.4K]

Answer:

75:80   OR    15:16

Step-by-step explanation:

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