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slega [8]
3 years ago
14

Need help with this not sure

Mathematics
2 answers:
Andreas93 [3]3 years ago
4 0
2, since 12+8 = 20 and there are 10 cupcakes, everyone can have 2
Helga [31]3 years ago
3 0
2 cupcakes each person. There are a total of 20 cupcakes, and there are 10 people. If you split all the cupcakes evenly (20 divided by 10 = 2), each person will get 2 cupcakes.
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Teresa is going for a run. she runs for 9.6 miles at a speed of 6 miles per hour. for how many hours does she run?
Lera25 [3.4K]
Speed=6 miles per hour
Distance =9.6 miles
Speed =distance /time
Time=distance/speed=9.6/6=1.6 hours
7 0
4 years ago
Tom earns ​$24 a week mowing lawns. He spends 1/8 of his earnings on lunch and 3/4 of his earnings on music. He saves the rest.
gayaneshka [121]

Answer:

$3

Step-by-step explanation:

24-3-18=3

3 0
3 years ago
If f(x)=2/x-3 find f^-1(x)
cupoosta [38]

Answer:

D

Step-by-step explanation:

To inverse a function, switch the y for x and x for y and solve for y

f(x) = 2/(x-3)

y = 2/(x-3)

x = 2/(y-3)

x*(y-3) = 2

y-3 = 2/x

y = 2/x-3

y = 2/x - 3x/x

y = 2+3x/x

[D]

4 0
3 years ago
Is it true that 1 2/5 - 3/4 = 1/4 + 2/5? Prove your answer.
Harrizon [31]

Answer: Yes, it's true.

Step-by-step explanation:

The first step is to convert the mixed number 1\frac{2}{5} to a fraction. The procedure for this is:

  1. Multiply the whole number 1 by the denominator 5.
  2. Add the product obtained and the numerator 2 (This will be the numerator of the fraction).
  3. The denominator does not change. It will be 5.

Then:

1\frac{2}{5}=\frac{(1)(5)+2}{5}=\frac{7}{5}

Rewrite the equation:

\frac{7}{5}-\frac{3}{4}=\frac{1}{4}+\frac{2}{5}

Notice that the denominators on the left side are 4 and 5 and the denominator on the right side are also 4 and 5.

Then, the Least Common Denominator (LCD) on both sides is:

5=5\\\\4=2*2=2^2

LCD=5*2^2=20

Now we can solve the subtraction on the left side of the equation and the addition on the righ side:

\frac{(7*4)-(3*5)}{20}=\frac{(1*5)+(2*4)}{20}\\\\\frac{13}{20}=\frac{13}{20}

Therefore:

1\frac{2}{5}-\frac{3}{4}=\frac{1}{4}+\frac{2}{5}  (IT'S TRUE)

8 0
4 years ago
Read 2 more answers
C^3+64=<br><br> Help me understand this please.
krek1111 [17]
The answer is 1000064 i dont know how to explain it
8 0
3 years ago
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