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Sladkaya [172]
3 years ago
7

For 7/20, what is an equivalent fraction with a denominator of 100?

Mathematics
2 answers:
In-s [12.5K]3 years ago
7 0
35. The denominator is 20. To make it 100, it need to times 5. So its 20x5=100. Do the same with numerator. 7x5=35
MariettaO [177]3 years ago
5 0
Hey there, I think this might help. If it helps please give me the brainiest answer.

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If the output number y is -52 (y=5x-2) what is the input number? SHOW WORK
nordsb [41]

Answer:

the input number is -10

Step-by-step explanation:

output is always y

input is always x

so instead of y, put -52

-52=5x-2  add 2 to each side to ger 5x by itself

-50=5x     divide both sides by 5 to get x by itself

-10=x

x is the input so the input is -10

8 0
2 years ago
(2n + 3)(n – 4) = 0<br> need help asap!!!
Anastaziya [24]
Set each binomial equal to zero to solve. 

2n + 3 = 0
2n = - 3
n = - 3 / 2

n - 4 = 0
n = 4

So n = -3/2, 4


6 0
3 years ago
Two mechanics worked on a car. The first mechanic charged S95 per hour, and the second mechanic charged $115 per hour.
natima [27]

Answer:

First mechanic worked for 10 hours and second mechanic worked for 15 hours.

Step-by-step explanation:

Let first mechanic worked for X hours and second mechanic worked for Y hours .

Now, according to the question , they worked for a total of 25 hours .

Thus ,

X + Y = 25.

Y = 25 - X   -(1)

Also, first mechanic is charging $ 95 per hour and second mechanic is charging $115 per hour .

Thus, total money charged by them will be 95X + 115Y .

Which is given to be $2675 in the question.

Thus 95X + 115Y = 2675.   -(2)

Putting equation 1 in equation 2 we get ,

95X + 2875 - 115X = 2675

20X = 200

X = 10 hours.

Thus , Y =  25 - X = 15 hours.

Thus first mechanic worked for 10 hours and second mechanic worked for 15 hours.

5 0
3 years ago
How did you get that answer j
gtnhenbr [62]

i answer the questions that relate to the lessons i've learned

6 0
3 years ago
Yallllllllll I need the answer to this pleaseee help
Anestetic [448]
‘Translated two units upwards’. This means that the y-value of every point wil raise with 2 units. That’s why answer D is the right one.
7 0
3 years ago
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