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Galina-37 [17]
2 years ago
11

Which number is a rational number? A. B. C. D.

Mathematics
2 answers:
MrMuchimi2 years ago
8 0
We can’t see the numbers next to the answer choices
ludmilkaskok [199]2 years ago
4 0

Answer:

a

Step-by-step explanation:

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The length of a rectangle field if 7/5 of its width. if the perimeter of the field is 240 meters, what are the length and width
trasher [3.6K]
Perimeter of any figure is all its sides summed up

for a rectangle, with two equal pairs, that means, length + length + width + width or   2length + 2width, or  2(length + width)

but we know the length is 7/5 the width

width = w
perimeter = P


\bf P=2\left(\frac{7}{5}w +w \right)\qquad P=240\implies 240=2\left(\frac{7}{5}w +w \right)
\\\\\\
120=\frac{7}{5}w +w\impliedby \textit{let's multiply both sides by 5}
\\\\\\
600=7w+5w\implies 600=12w\implies \cfrac{600}{12}=w

and the length is 7/5 of that
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3 years ago
3^x+1 +3^x-1=270<br>Solve for x​
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Answer:

x=4.464974

Step-by-step explanation:

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3 years ago
Please help! Will mark brainliest
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5 x 10^-2, 50%, 1/3, 0.6
Second option
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3 years ago
A car rental agency currently has cars available, of which have a GPS navigation system. Two cars are selected at random from th
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Answer:

(30/40)*(29/39) = 29/52 =~ 0.55769

Step-by-step explanation:

The probability is calculated assuming the cars were chosen without replacement .

6 0
3 years ago
Ac is tangent to circle o at point c what is the length of ac?
MissTica

Answer:

The Answer is 12

Step-by-step explanation:

Use Pythagorean theorem. AB=8 and BO=5 We still need to find AO

AO=AB+BO

8+5

AO=13

Now solve for AC

AC^2 + OC^2= AO^2

AC^2+5^2=13^2

AC^2+ 25=169

AC^2=144

AC= 12

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3 years ago
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