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julia-pushkina [17]
3 years ago
13

show me how to solve: 110 calories in 28.4 grams of cereal, how many calories in 34.08 grams of cereal?​

Mathematics
1 answer:
algol [13]3 years ago
7 0

Answer:

132 calories

Step-by-step explanation:

Find the rate or how many calories in 1 gram of cereal, use x as the # of calories for 1 g

28.4x = 110

Divide both sides by 28.4 - x≈3.873239... cal (rounded to hundredths is 3.87)

Multiply 34.08 by 3.87: 132 calories

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QUESTION 11.
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It can be factories as (x + 5)² + (y – 7)² = 9²

Therefore the radius equals 9 and the center is (-5,7)

QUESTION 12.
From equation (x + 4)² + y² = 121

The radius equals √121 = 11 and the center is (-4,0)

QUESTION 13.
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5 0
3 years ago
5/8 -0.5 evaluate each expression. Write answer as a decimal
gregori [183]

Answer:

0.125

Step-by-step explanation:

0.5 =1/2

Now

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5/8-4/8

(5-4)/8

1/8

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6 0
2 years ago
Please help me asap.
Makovka662 [10]

The first one is the answer you're looking for

6 0
3 years ago
If you invest 2,000 today in a bank that gives you a 4 percent annual interest rate, which of these items can you buy in seven y
postnew [5]
I=prt
i=2000 X .04 X 7
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8 0
3 years ago
Read 2 more answers
Question 21 on this pictured math sheet please. Have a great day!
Yuki888 [10]

Answer:

39

Step-by-step explanation:

f(x) = 2x - 1.....(1) \\ g(x) = 3x + 5....(2) \\ plug \: x = 5 \: in \: (2) \\ g(5) = 3 \times 5 + 5 = 15 + 5 = 20 \\  \therefore \: f(g(5)) = 2 \times 20 - 1 = 40 - 1 = 39 \\  \\   \huge \red{ \boxed{\therefore \: f(g(5)) =39}}

7 0
2 years ago
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