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garik1379 [7]
3 years ago
6

While spending a day at the beach, Joanna took a survey. She found that 83.5% of people people wore sunscreen. The margin of sam

pling error was within 2 percentage points. Find the range of beach attendees who wore sunscreen.
Fill in the blank: 81.5≤x≤_____
Mathematics
1 answer:
Tasya [4]3 years ago
7 0
85.5% is the answer as it is 2% above
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If 1 inch represents 10 miles how many inches will 900 miles​
frozen [14]

Answer:

90 inches

Step-by-step explanation:

900 divided by 10 = 90

5 0
3 years ago
Calvin deposited $12,600 into a savings account, and he didn't make any deposits or withdrawals for a year. If, after interest w
myrzilka [38]

Answer:

5.13% APEX

Step-by-step explanation:

You take 12,600 and multiply it by 1.0513, to get 13,246.38. I don't know where the 1 in front of the percent came from, but for APEX, that is the correct answer.

6 0
3 years ago
Let f(x) = 4x + 3 and g(x) = -2x + 5. Find fog 5
Oxana [17]

Answer:

-17

Step-by-step explanation:

first find g(5) = -2(5)+5 = -5

then f(-5) = 4(-5)+3 = -17

6 0
3 years ago
Read 2 more answers
Find the value of x in the triangle listed here. If you could show me the steps, I would appreciate it.
-Dominant- [34]

Answer:

71°

Step-by-step explanation:

The triangle shown is an isosceles triangle. Isosceles triangles have two equal sides and two equal angles. When all 3 angles are added, it should have a sum of 180°. The tip of the triangle is the part of the triangle with the smallest degree/angle. So the two remaining angles are the same amount.

180°=38°+x+?

180°=38°+71°+71°

Both missing angles are the same degree, and when both are added to 38, it has a sum of 180. x is equal to 71°.

7 0
3 years ago
Read 2 more answers
Please help solve with working much appreciated!
Lapatulllka [165]

The right answer is Option A.

Step-by-step explanation:

Given,

Heart rate goal = I

Heart rate reserve = H

70% of H = \frac{70}{100}H = 0.7H

Resting heart rate = R

According to given statement,

70% of heart rate reserved is added to resting heart rate to calculate heart rate goal, therefore,

I = R + 0.7H

I=R+0.7H represents the given situation.

The right answer is Option A.

Keywords: linear expression, addition

Learn more about addition at:

  • brainly.com/question/10940255
  • brainly.com/question/10941043

#LearnwithBrainly

8 0
3 years ago
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