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lesya [120]
3 years ago
14

Need some help here... Image below. Please try and explain how you get the answer, as I do want to try and learn the material.

Mathematics
2 answers:
8_murik_8 [283]3 years ago
6 0
$60 for 100 and $65 for 150
Nana76 [90]3 years ago
5 0

Answer:

i think you divide 100 by 60 to get the answer for number 14 but im not sure

Step-by-step explanation:

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the mean sale per customer for 40 customers at a grocery store is $23.00, with a standard deviation of $6.00. Apply Chebyshev's
Lunna [17]
The answers is 75%x40=0.75x40=30
7 0
2 years ago
Which relationship describes angles 1 and 2?
MissTica
<span>1) supplementary angles => sum of angles' measure is 180°


Two lines intersecting creating four angles with the left obtuse angle labeled one and the acute angle to the right labeled two

= > angle 1 +  angle 2 = 180°

Then those two match.


2) complementary angles => sum of the two angles = 90°

Two lines intersecting in a right angle with a square indicating a right angle in quadrant one and a ray splitting quadrant two with a two labeling the left angle and one labeling the angle on the right

=> angle 2 + angle 1 = 90°

Then those two match

3) vertical angles

Two parallel horizontal lines intersected by a vertical line with a square indicating a right angle in quadrant one of the top line and a one labeling the angle in quadrant two and two labeling quadrant four of the top line

Those two matches because the angle label 1 and the angle label 2 are vertical angles as per the definittion.

4) adjacent angles

Two lines intersecting in a V shape with the left angle of one hundred fifty seven degrees and a bottom angle of X degrees

Those two match becasue the angle of 157° and the angle of X° are adjacent.
</span>
5 0
3 years ago
Read 2 more answers
Cara and shirley, working together, can clean the house in 66 hours. working alone, shirley takes three times as long as cara. h
iVinArrow [24]
Assuming that they both work at the same pace together 66/2=33*3=99 to get the whole house done because she takes 3 times as long and has to pick up the slack when cara is gone i think at least it sounds logical in my mind but maybe somebody thinks different but final answer
t=99 hours
7 0
3 years ago
Help me out please this is my sister's lol
nalin [4]

It's nice to help your sister.

a) 9711 rounds to 10000

b) 6549 rounds to 7000

c) 25499 rounds to 25000

d) 979501 rounds to 980000


5 0
2 years ago
Evaluate (a + b)2 for a = 2 and b = 3
Ivenika [448]

f(a,b) = 2(a+b)

f(2,3) = 2(2+3)

f(2,3) = 2(5)

f(2,3) = 10

5 0
3 years ago
Read 2 more answers
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