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Fofino [41]
3 years ago
11

Last week Isaiah and his roommates ate 3/8 of a carton of yogurt, and this week they ate

Mathematics
1 answer:
Sergio [31]3 years ago
6 0

Answer: 5/24

Step-by-step explanation:

The problem is 7/12-3/8. I got a common denominator of 24, then multipled 8 and 3 by 3, and 7 and 12 by 2. The problem is now 14/25-9/24, which equals 5/24

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Carina's car averages 25 miles per gallon.Will she be able to make the round trip on one tank of gas.
ser-zykov [4K]
There is not enough information to answer the question. To answer it, you need to know how much gas is in her gas tank and how far she needs to travel.
4 0
3 years ago
Please help with my math test it’s very easy
V125BC [204]

Answer:No

Step-by-step explanation:

4 0
2 years ago
Noah has 22 5 of a pound of rice in his cupboard. He also has 8 9 of that amount in his pantry. Which of the following equations
Arada [10]

225/0.88*100%

255.68*100

25,568 pounds in pantry

8 0
2 years ago
An economist wants to estimate the mean per capita income (in thousands of dollars) for a major city in Texas. He believes that
nadezda [96]

Answer:

327

Step-by-step explanation:

Calculation for How large of a sample would be required in order to estimate the mean per capita income

First step is to find z 80% confidence level

At 80% confidence level the z will be:

α/2 = 1 - 80% = 1 - 0.80 = 0.20

α/2= 0.20 / 2 = 0.01

Zα/2= Z0.01= 1.28 from z table

Now let calculate the Sample size using this formula

Sample size = n= [( Zα/2* σ ) / E]^2

Let plug in the formula

n = (1.28*7.9/0.56)^2

n= 326.06

n=327 (Approximately)

Therefore How large of a sample would be required in order to estimate the mean per capita income will be 327

3 0
3 years ago
Suppose you know that ∠S and ∠Y are complementary, and that m∠S = 4(m∠Y) − 210°. Find m∠Y.
EleoNora [17]

Answer:

angle Y= 60 degrees

Step-by-step explanation:

angle S + angle Y = 90 degrees because they are complementary

Y = 90 - S

angle S = 4(Y)-210

substitute for Y

S = 4(90 - S) - 210

S = 360 - 4S - 210

reduce

5S = 150

S = 30

Y = 90 - 30 = 60

4 0
3 years ago
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