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kogti [31]
3 years ago
10

What does the word “keep” mean in “keep change flip” a) keep everything the same b) keep the first fraction the same c) keep the

second fraction the same d) keep the sing the same.
Mathematics
2 answers:
OLga [1]3 years ago
7 0

Answer: C

keep the second fraction safe idk

Step-by-step explanation:

stepladder [879]3 years ago
4 0

Answer:

That's the rule used to divide fractions.

So keep the first fraction, change the sign from divide to multiply, then flip the second fraction.

Example:

1/2 ÷ 3/5 --> 1/2 x 5/3

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I need help please!:D
givi [52]

Answer:

a 80

Step-by-step explanation:

7200 / 90 = 80

5 0
3 years ago
A survey shows that 45% of the respondents pick option A. Given that 50 people replied, what is the standard error of the propor
QveST [7]
The formula for the standard error is this:
σM = σ / √N

where
σM is the standard error
σ is the standard deviation
N is the number of samples

So,
σM = 0.45 / √50
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The standard error is 0.0636
3 0
3 years ago
Read 2 more answers
Jim is saving money to buy a game. So far he saved $36, which is three-fourths of the total cost of the game. How much does the
Andru [333]

Answer:

$48

Step-by-step explanation:

Because he has 3/4 you would divide 36 by 3 whick is 12 then multiply by 4 to get the total of $48

4 0
3 years ago
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NEED HELP A triangle is cut from a rectangle. The height of the triangle is half of the unknown side length s. The area of the s
Nesterboy [21]

Answer: 14s - 7s/2 = 84

Step-by-step explanation:

Given that s is the length of the unknown side:

Area of the shaded region = 84

Area of rectangle - Area of triangle = 84

Area of rectangle = L * W

= 14 * s

= 14s

Area of triangle = ¹/₂ * base * height

= ¹/₂ * 14 * s/2

= 7s/2

Area of shaded region:

14s - 7s/2 = 84

Solving for s:

14s - 7s/2 = 84

28s - 7s = 168

21s = 168

s = 168/21

s = 8 inches

4 0
3 years ago
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Sidana [21]

Answer:

-15/4

Step-by-step explanation:

slope = change in y / change in x = (-7 - 8) / (7 - 3) = -15/4

8 0
3 years ago
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