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Lisa [10]
2 years ago
6

(Please someone help me!) (No links!)

Mathematics
1 answer:
Nataly_w [17]2 years ago
8 0

Answer:

3 cups

Step-by-step explanation:

36 : 24 = 4.5 : x

where x is the amount of flour he should use

Therefore,

\frac{36}{24} = \frac{4.5}{x}

Cross multiply:  36x = 4.5 \times 24

\implies 36x = 108

Divide both sides by 36:  x = 108 \div 36 = 3

Therefore, he should use 3 cups of flour

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I need help.like now please help me !!!!!!!!!
koban [17]
Use proportions for all of them, for #1 use the proportion 12/30 = 9/a based on corresponding sides and then cross multiply. a=22.5 For #2 use the proportion y/35 = 64/40 based on corresponding sides and then cross multiply, y=56 For #3 use the proportion 42/? = 54/36 and then cross multiply, ?=28
7 0
3 years ago
Does this table represent a function? Why or why not?<br><br> Answers above
Mashutka [201]

Answer:

No, because a x-value repeats.

Step-by-step explanation:

A function has x-values that correspond to exactly one y-value. In the given table, <u>the number '5' appears twice as an x-value</u>. This means that the relation is not a function, "because one x-value corresponds to two different y-values."

7 0
2 years ago
Read 2 more answers
Which of these expressions shows a correct way to set up the slope formula for the line that passes through the points (5, 0) an
vaieri [72.5K]

Answer:

C

Step-by-step explanation:

its c because if we input the numbers into the slope formula y2 - y1 over x2 - x1 it equals -6 - 0 over 6 - 5

3 0
3 years ago
Keith as 11/12 hours to play, he has already played 1/4. which is the best estimate of the fractional part of an hour he has lef
____ [38]

Answer:

The best estimate is greater than 1/2 but less than 3/4

Step-by-step explanation:

If you multiply 1/4 by 3/3 (which is also 1), you can change the denominator without changing the value.  So 1/4 is equal to 3/12.

Since keith has 11/12 hours to play, and he has already played 3/12 hours, subtract 3/12 from 11/12 to get 8/12 hours. This is how much time he has left to play.  

If you simplify 8/12 hours, you get 2/3 hours.

So the best estimate would be: greater than 1/2 but less than 3/4.

4 0
3 years ago
Twice the length of a rectangle is three times the width. The perimeter of the rectangle is 320 cm. Find the dimensions of the r
alekssr [168]

Answer:

106

Step-by-step explanation:

divided 320 by 3

7 0
2 years ago
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