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sp2606 [1]
2 years ago
6

A recipe uses 2 cups of sugar to make 32 brownies. How many cups of sugar are needed to make 72 brownies?

Mathematics
1 answer:
White raven [17]2 years ago
5 0
4 and a fourth. This is because 2 * 32 is 64, then you need to divide 32 by 4 to get 8 left. I am sorry if I solved this incorrectly. Make sure to check with your coordinator ( teacher ) or parent to help solve this. 32 is divided into 4ths.
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He needs 160 5-star reviews in a role. We can write a function to solve this problem. His current total stars is 4.4*160=704. Suppose he needs x more 5-star reviews, then his total stars will be 704+5x. 160+x is the new number of reviews, and the new average will be 4.7, so 4.7*(160+x)=704+5x. The solution is 160. Besides, if you want to get the answer really fast, you can see that 4.7 is right in the middle of 4.4 and 5, so you can immediately guess that the number of new 5-star reviews should be equal to the number of current reviews.
4 0
3 years ago
A researcher found a study relating the value of a car, y, to the age of the car, x. When researchers looked at the association
vredina [299]

Answer: c) About 16% of the variation in value of the car is explained by a linear relationship with the age of the car.

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Step-by-step explanation:

Given that:

Coefficient of determination (r²) between two variables, age of car (x) and value of car (y) = 0.158

Correlation of determination (r²) of 0.158 = (0.158 × 100% = 15.8% of the variation between the two variables can be explained by the regression line). Hence, about 16% of the variation between age and value of car can be explained by the linear relationship.

Coefficient of correlation (r) = sqrt(r²) = sqrt(0.158) = 0.397

8 0
3 years ago
Is a repeating .3 a real number?
Tanya [424]
Yes .3 repeating is a real number
4 0
3 years ago
Read 2 more answers
8.546 rounded to the nearest hundredth
Thepotemich [5.8K]

Answer:

8.55

Step-by-step explanation:

6 0
2 years ago
How many times 19 go into 36
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36/19
=1.894736842 and it keeps going

Hope this helped and have a great day!
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