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adell [148]
4 years ago
8

Heather works 3 hours every morning during the breakfast shift and returns to work each evening for the dinner shift. During the

last four days, she worked 32 hours in total. If Heather works the same number of hours every evening, how long is each dinner shift? Please show your work.
Mathematics
1 answer:
8090 [49]4 years ago
6 0
5 hours because 3+5= 8 and 8x4=32
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17. Stella is competing in a diving competition. Her height in feet above the water is
scoundrel [369]

9514 1404 393

Answer:

  after 2 seconds

Step-by-step explanation:

We want to find t such that h = 0.

 0 = -16t² +8t +48

  0 = 2t² -t -6 . . . . . . . divide by -8

  0 = (t -2)(2t +3) . . . . factor

The only positive solution is t = 2, which makes the first factor zero.

Stella will land in the water at t = 2 seconds.

6 0
3 years ago
The directions for mixing an insect spray say to use 1 1/2 ounces of chemical in each gallon of water. How many ounces of chemic
Viefleur [7K]
1 1/2 oz to each gallon.  
Total required for 3 4/5 gal is the product of 1 1/2 and 3 4/5, which is approximately 4*1 1/2 = 6 oz.

Exact answer
1 1/2 * 3 4/5
=3/2 * 19/5
=57/10
=5.7 oz

8 0
3 years ago
Read 2 more answers
Two angles are supplementary. The measure of one angle is 10° more than three times the other. Find the measure of each angle
Marizza181 [45]

The measure of angles are 137.5 degrees and 42.5 degrees

Solution:

Given that two angles are supplementary

Let "a" be the one of supplementary angle

Let "b" be the other supplementary angle

Given that measure of one angle is 10 degree more than three times the other

measure of one angle = 10 + three times the other angle

a = 10 + 3b ---- eqn 1

We know that,

Two Angles are Supplementary when they add up to 180 degrees.

a + b = 180 ---- eqn 2

<em><u>Let us solve eqn 1 and eqn 2 to find values of "a" and "b"</u></em>

Substitute eqn 1 in eqn 2

10 + 3b + b = 180

10 + 4b = 180

4b = 170

<h3>b = 42.5</h3>

From eqn 1,

a = 10 + 3(42.5)

a = 10 + 127.5 = 137.5

<h3>a = 137.5</h3>

Thus the measure of angles are 137.5 degrees and 42.5 degrees

7 0
4 years ago
What is the answer<br><br> 42sq in<br> 48sq in<br> 24sq in<br> 21sq in
bija089 [108]

Answer:

42in :)

Step-by-step explanation:

All you have to do is multiply 7x6 because u need to find the area.

but if u wanna find the perimeter u have to add all sides.

area is multiply 2 sides.

6 0
3 years ago
Alicia cashed her paycheck and used half her earnings to take three friends out to dinner. She spent $42.15 and she brought home
Phoenix [80]
If you would like to write an inequality to represent the situation, using X to represent the amount of Alicia's paycheck, you can calculate this using the following steps:

X ... the amount of Alicia's paycheck

X/2 - $42.15 >= $20
X/2 >= $20 + $42.15
X/2 >= $62.15     /*2
X >= $62.15 * 2
X >= $124.3

The correct result would be <span>X >= $124.3</span>.
5 0
3 years ago
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