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iris [78.8K]
2 years ago
5

Do the ratios 10:20 and 2:24 form a proportion?

Mathematics
1 answer:
expeople1 [14]2 years ago
5 0

We have:

10:20=\frac{10/10}{20/10}=\frac{1}{2}  \\2:24=\frac{2/2}{24/2} =\frac{1}{12} \\=>\frac{1}{2}\neq  \frac{1}{12}\\

So:    10:20\neq 2:24

ANSWER: No

Ok done. Thank to me :>

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4. Express each percent as a decimal number and
il63 [147K]
A) 0.955 and 199/200
B) 1.40 or 1.4 and 1 2/5
C) 0.90 or 0.9 and 9/10
5 0
2 years ago
Read 2 more answers
what are the steps to answer this question? Jeff is baking a cake. The recipe says that he has to mix 32 grams of powder to the
Deffense [45]
Well what I would do first is to divide 128 by 32 which I do believe gets you 4. So now you know that 1 cup of powder can make 4 servings. So you now know that each serving only requires 1/4 cup of the powder.

So now we know Jeff went over so now we have Jeff added 2/3 and he only needs 1/4. I would now make them both equivalent by multiplying the numerator and denominator of 2/3 by 4 and the same for 1/4 but instead by 4 multiply it by 3 which you would get 2/3=8/12 and 1/4=3/12. Now subtract the two to get your answer.

8/12-3/12=5/12

Answer: He went over and he needs to remove 5/12 of the cup
5 0
3 years ago
Over which interval is the graph of f(x) = -X2 + 3<br> 8 increasing?
Pepsi [2]
Yea because it’s increasing
6 0
3 years ago
A public library has an aquarium in the shape of a rectangular prism. The base is 6 feet by 2.5 feet. The heigh is 4 feet. How m
topjm [15]

sides 2 * 6 * 4 =48 and 6*4=24

bottom 6*2.5 =15

2.5*4=10

10*2=20 that's the area of 2 smaller sides

Step-by-step explanation:

we add up the dimensions together 48+20+15=83

so the final equation becomes (6*2.5)+2(2.5*4)+2*(6*4)=83

8 0
2 years ago
HELP PLEASE IM BEING TIMED!! WILL GIVE BRAINLIEST!!
kolbaska11 [484]

ANSWER

The correct choice is C.

EXPLANATION

The perimeter of a rectangle is given by;

P=2(w+l)

For the first rectangle, the perimeter is;

P=2(8+4)=24

For the second rectangle, the perimeter is

P=2(8+8)=32

For the third rectangle, the perimeter is

P=2(8+12)=40

The correct choice is C

8 0
3 years ago
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