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egoroff_w [7]
3 years ago
14

Pls answer this and thank you very much

Mathematics
2 answers:
Colt1911 [192]3 years ago
8 0

Answer:

1. B) -5/12

Step-by-step explanation:

Because -2 x 5 = -10

-10 + 2 = -12

Keep and change

-5/12 --> -12/5

iVinArrow [24]3 years ago
6 0

Answer:

1

Step-by-step explanation:

Multiplicative inverse is the opposite of the number. For example, the multiplicative inverse of 7 is 1/7.

To get the multiplicative inverse we first have to turn -2  2/5 into an improper fraction.

Which is -12/5 now flip it to get the (MI) which is -5/12

Which equals 1

YOU'RE RIGHT!!

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4 students measure their height. Their heights measure 184 cm, 192 cm, 164 cm, and 200 cm. What is the mean height of the studen
melomori [17]
The mean is the average, which is the sum of all the numbers divided by the total numbers there are. I will add them up for you, and then work from there.
184 + 192 + 164 + 200 = 740.
There is 740cm total, but now we need to divide by how many students we have. We have 4 students total.
740/4 = 185.
Your average (mean) height of the students is 185cm.
I hope this helps!
8 0
3 years ago
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A rectangle with an area of 5/8 ft² is dilated by a factor of 8. What is the area of the dilated rectangle?
gulaghasi [49]

Answer:

40 ft²

Step-by-step explanation:

Let the length of the original rectangle be L and original Breadth be B

it is given that the original area  is 5/8 ft²

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Original Length x Original Breadth = Original Area, or,

LB = 5/8 ft² ------------------(1)

Given that the dilation factor is 8,

Hence,

New Length = 8L and New Breadth = 8B

THerefore,

New Area = 8L x 8B

= 64 LB  (from (1) above , we know that LB = 5/8 ft², substitute into expression)

= 64 (5/8)

= 40 ft²

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3 years ago
a right triangle has a 30 degree angle. the leg adjacent to the 30 degree angle measures 25 inches. what is the length of the ot
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The length of the other leg is 14.4
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Answer:

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Step-by-step explanation:

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