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Ratling [72]
3 years ago
13

Olivia is making scarves each scarf will have 5 rectangles and 2/5 of the rectangles will be purple how many purple rectangles d

oes she need for 3 scarves
Mathematics
1 answer:
Tomtit [17]3 years ago
8 0

Answer:

Out of every 5 rectangles 2 shall be purple.

3 scarves have 3 times 5 rectangles.

Thus they shall be 3 times 2 that are purple.

Step-by-step explanation:

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∠R and ∠S are complementary. If m∠R = (2x+7) and m∠S = (4x - 13), find m∠R
____ [38]

Answer:

m∠R = 39 degrees

Step-by-step explanation:

As complementary angles add up to 90 degrees, we can set up an equation to get x then find the measure of ∠R:

m∠R + m∠S = 90

2x+7+4x-13=90

6x+7-13=90

6x-6=90

6x=96

x=16

Since m∠R = (2x+7), 2x+7 would be 2(16)+7 or 39 degrees. So in conclusion, m∠R = 39 degrees

3 0
3 years ago
Read 2 more answers
Need the answer ASAP
Evgesh-ka [11]
Anwser:

22.5 or 5/22 or 30

Step-by-step Explanation:

-2 and -2
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-2+-2= -4

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-120 divided by 4 is 30
but that’s not a fraction so you do

22.5 or 5/22

-2 x -2 x 30=

7 0
3 years ago
The ideal width of a certain conveyor belt for a manufacturing plant is 50 in. an actual conveyor belt can vary from the ideal b
Nastasia [14]
50 + 7/32 = 50 7/32
50 - 7/32 = 49 25/32

answers are :
c.) 49 25/32 < = x < = 50 7/32
e.) |x - 50| < = 7/32
     

8 0
2 years ago
What is the square root of 683
Mashutka [201]

Answer:

The square root of six hundred and eighty-three √683 = 26.13426869074



4 0
3 years ago
Read 2 more answers
Mandy and Pete have a biased spinner numbered 1, 2, 3, 4, 5. They each want to find an estimate for the probability that the spi
kotykmax [81]

Answer:

Pete

Step-by-step explanation:

Given that:

Mandy's Estimate :

Number of spins , n = 20

Pete's Estimate:

Number of spins, n = 200

A good probability estimate is one which has narrow margin of error with a high degree of confidence. These two variables are affected by sample size.

A high sample size give a narrower margin of error and increases the confidence level probability

Based on the sample size used by each of Pete and Mandy, we can conclude that, Pete's probability estimate would be better due to its significantly higher sample size.

5 0
3 years ago
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