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3 years ago

Please solve I need to pass this text

Mathematics

2 answers:

VARVARA [1.3K]3 years ago

6 0

Answer:

4/15 deeper than the 1st dive

Step-by-step explanation:

make the 1st and 2nd dive have the same denotator. so

1st dive:5/15

2nd dive:9/15

subtract the 1st dive with the 2nd.

9/15-5/15=4/15

Sindrei [870]3 years ago

3 0

Answer:

4/15

Step-by-step explanation:

1/3 = 5/15

3/5 = 9/15

9-5 = 4

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A gift shop sells 140 wind chimes per month at $90 each. The owners estimate that for each $5 increase in price, they will sell

guapka [62]

Answer: $95

Step-by-step explanation:

Te new price will be 90 + 5x, if the price increases "x" times

The number of wind chimes sold per month will become 140 - 7x

$\begin{aligned}&\text {Revenue, } \mathrm{R}(\mathrm{x})=(90+5 \mathrm{x})(140-7 \mathrm{x}) \\&R^{\prime}(x)=5(140-7 x)-7(90+5 x) \\&R^{\prime}(x)=700-35 x-630-35 x \\&R^{\prime}(x)=70-70 x=0 \\&70 x=70 \\&x=1\end{aligned}$

Therefore, if the price becomes (90 + 5(1)) = $95 per wind chime, then the revenue will be maximum

6 0

3 years ago

1. John began his job making $25 the first day. After that he was paid $6.75 per hour. a) Use the equation y 6.75x +25 to comple

iren [92.7K]

Answer:

a. Chart (attached)

b. and c. graph attached

Step-by-step explanation:

a. We use the equation given to us and plug in the values of "x" that have been shown to find the corresponding values of y.

So, when x=0, $y=6.75\times 0+25=25$

when x=20, $y=6.75\times 20+25=160$

when x=40, $y=6.75\times 40+25=295$

b. The graph has been shown in a similar manner. All the three points of part a are connected to form the straight line y=6.75x+25. So, we have (0,25), (20,160) and (40, 295)

c. The y axis is the earnings in dollars and the x axis is the number of hours worked.

3 0

3 years ago

From the top of a lighthouse 200 feet high, the angle of depression of a boat is 22°. Find the distance from the boat to the foo

Soloha48 [4]

Answer:

495 feet

Step-by-step explanation:

tan22° = 200/d

so, d = 200/tan22°

Then, d = 495.0173707 => 495 feet to the nearest foot

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3 years ago

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LenaWriter [7]

Answer:

5 out of 15

Step-by-step explanation:

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3 years ago

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Solve 2x-1=9 (also show your work plz) first response will get brainliest

Kaylis [27]

Answer:

x= 4

2x-1=9

simplify 9-1 to 8

Divide both sides by 2

x=8/2

Simplify 8/2 to 4

x=4

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3 years ago