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Pie
2 years ago
9

75% of a number is 24

Mathematics
1 answer:
Colt1911 [192]2 years ago
8 0

75\% \times y = 24  \\ \\  \frac{100}{1}  \times  \frac{75}{100}  \times y = 24 \times 100  \\ \\ 75y = 2400 \\  \\  \frac{75y}{75}  =  \frac{2400}{75} \\  \\ y = 32

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How do I find the sum of this series?<br>Question D
raketka [301]
Sum of an infinite geometric sequence with the common ratio r, and the first term a1 is \frac{a_1}{1-r}

we notice
-2 times -1/4=1/2,
1/2 times -1/4=-1/8
so a1=-2
r=-1/4 or -0.25

so the sum is
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\frac{-2}{1.25}=
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8 0
3 years ago
10x - 4 = 16<br><br><br> What does x equal to?
Dennis_Churaev [7]

Answer:

x = 2

Step-by-step explanation:

First isolate the variable:

10x - 4 = 16

      +4   +4

10x = 20

Then get x by itself:

10x = 20

x = 20/10

x = 10

5 0
3 years ago
Does x=3 make the equation 5x-3=12 true or false?
Kamila [148]
It would be false :)!
3 0
3 years ago
Read 2 more answers
Can you help me on this?
Illusion [34]

Answer:

y = 30

Step-by-step explanation:

We can use ratio's to solve this

40        20

-----  = -----------

100       20 + y


Using cross products

40 * (20+y) = 20*100

Distribute

800 + 40y = 2000

Subtract 800 from each side

40y = 2000-800

40y = 1200

Divide by 40

y = 1200/40

y =30

5 0
3 years ago
Which of the following is the best description for this pair of angles?
hjlf

Answer:

Supplementary

Step-by-step explanation:

Supplementary angles add to 180 degrees.

6 0
3 years ago
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