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aliina [53]
3 years ago
12

What is -5/8 times 2/3 equal in fraction form

Mathematics
2 answers:
anastassius [24]3 years ago
7 0

Answer: -5/12

Step-by-step explanation: Before multiplying two fractions together by multiplying across their numerators and multiplying across their denominators, you should always try to cross-cancel as your first step.

So in this problem, the 2 and 8 cross-cancel to 1 and 4.

Also, watch out for your signs. In this problem we have a negative times a positive so we know that our answer will be negative.

Now we can multiply across the numerators and across the denominators.

So we have 5 · 1 which is 5 and 4 · 3 which is 12.

So our answer is -5/12.

Be very careful with your signs!

olganol [36]3 years ago
5 0

Answer:

-5/12

Cross reduce the 8 and the 2 to get -5/4 x 1/3 and then you multiply normally to get -5/12

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A system of equations is shown below.
Nimfa-mama [501]
-3x + 7y = -16 . . . (1)
-9x + 5y = 16 . . . .(2)

(1) x 3 => -9x + 21y = -48 . . . (3)
(2) - (3) => -16y = 64 . . . (4)

Required equivalent system of equations is
-9x + 5y = 16
-16y = 64
5 0
3 years ago
A cheetah ran 230 feet in 1.932 seconds. What is the cheetah's speed in miles per hour?
Bumek [7]

Answer:

The answer to your question is speed = 81.5 mi/h

Step-by-step explanation:

Data

distance = 230 ft

time = 1.932 s

speed = ? mi/h

Process

1.- Convert the distance to mi

                1 mile ----------------- 5280 ft

                 x        ----------------- 230 ft

                 x = (230 x 1) / 5280

                 x = 0.044 mi

2.- Convert time to hours

                 1 h    ------------------ 3600 s

                  x      ------------------ 1.932 s

                        x = (1.932 x 1) / 3600

                        x = 0.00054 h

3.- Calculate the speed

speed = distance / time

-Substitution

speed = 0.044/ 0.00054

-Result

speed = 81.5 mi/h

         

4 0
3 years ago
The number (6) is what type<br>of number?​
NNADVOKAT [17]

Answer:

even?

Step-by-step explanation:

I dont really get it

4 0
3 years ago
Read 2 more answers
I don't know how to work this out
Serhud [2]
Hope that helped I use this when I'm doing math. It's called cymath it explain how they got the answer.

8 0
3 years ago
Someone please help me with this
atroni [7]

1. B A C

Reason:

A: 4\pi is 12.6

B: the Square root of 18.7 is 4.32


2. a

Reason: the square root of 80 is 8.9, thus closest to 9 from all the others.


3. C

Reason: 6/7 = 0.86, and the square root of 3/4 = 0.87

3 0
3 years ago
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