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xeze [42]
4 years ago
13

Explain why 10 x 2 is equivalent to 10 ÷ 1/2.

Mathematics
1 answer:
almond37 [142]4 years ago
4 0

Answer:

in order to divide by a fraction, you need to multiply by its reciprocal instead, which would be 2 over 1 (2/1)

Step-by-step explanation:

in this case, 10 divided by 1/2 turns to 10 x 2/1

i tried my best, sorry if i couldnt help

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One week Jenna rented 4 DVDs and 2 Video Games for $18, the next week she rented 2 DVDs and 1 video game for 9$. Find the rental
tangare [24]
To do this problem you have to create two equations. one would be 18=4x+3y
an the other would be 9=2x+y. in this eqaution X is the number of DVDs and Y is the number of Video games. Then you solve for Y in the second equation and you get y=-2x+9. After that you then input this equation in for the other equation and you will have 18=4x+3(-2x+9). you solve for X in this problem and then you take the answer of x and put it in for x in the other equation. 
so, 18=4x-6x+27
subtract 27 and add the 4x and -6x
-9=-2x
x=4.5
after this you put it in the other equation
9=-2(4.5)+y
multiply the -2 and 4.5
9=-9+y
add the 9
y=0
4 0
3 years ago
Have do you solve -4-1
ad-work [718]

Answer:

-5

Step-by-step explanation:

add them together (-4)+(-1) make a t chart it'll help you out

7 0
4 years ago
Read 2 more answers
What is 61.4 dived by 1000
WINSTONCH [101]
Just type it into a calculator. (since there are three zeroes in 1000 just move the decimal point three times/spots to the left)
61.4/1000 = 0.0614
7 0
4 years ago
I need answers ASAP!!
lesya [120]
What is the question?

7 0
3 years ago
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Write an equation for a line with a slope of<br> 3 and a y-intercept of (0, 2).
DaniilM [7]

Answer:

Step-by-step explanation:

y - 2 = 3(x - 0)

y - 2 = 3x - 0

y = 3x + 2

6 0
4 years ago
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