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ICE Princess25 [194]
3 years ago
11

Dustin has a collection of quarters and pennies the total value is $4.65 there are 33 coins how many quarters and pennies does h

e have
Mathematics
1 answer:
matrenka [14]3 years ago
5 0

Answer: 18 quarters & 15 pennies

Step-by-step explanation:Q + p = 33

0.25q + 0.01p = 4.65

p = 33 - q

0.25 q + 0.01 (33 - q) = 4.65

q = (4.65 - 0.33)/(0.24)

q = 18

p = 33 - 18 = 15

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Ms. McGuirk wants to know if she built her son's new sandbox with a perfect right angle or not? The shorter sides are 15 feet an
spayn [35]

Answer:

17 feet

Step-by-step explanation:

A right angle has 3 sides: the adjacent, the opposite and the hypotenuse.

The hypotenuse is the largest side of the right angle

The shorter sides are 15 feet and 8 feet which should represent opposite and adjacent sides respectively

Opposite = 15 feet

Adjacent = 8 feet

Hypotenuse = x feet

Using Pythagoras theorem to solve

Hypotenuse ² = opposite ² + adjacent ²

x² = 15² + 8²

x² = 225 + 64

x² = 289

Find the square root of both sides

√x² = √289

x = 17 feet

The 3rd side is 17 feet

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2 years ago
In order to find the y-intercept of a quadratic function, you should ___________.
dangina [55]
Your answer is C cause to corresponds to it!
8 0
3 years ago
Round to the nearest cent
sveta [45]
Well round to the nearest cent means to the nearest .01 So if the number is ex .0328 You round to .03 And if the number is ex .06831 You round to .07 Meaning if the number after .01 or .0_ is greater than 5 than you round up and if it's 4 or lower than you keep the number there Sorry can't do much if this is an actual problem because you only said round to the nearest cent.
7 0
3 years ago
1/3 of the quantity6.5 and p
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WILL GIVE BRAINLIEST!!!!!! Look at the picture of a scaffold used to support construction workers. The height of the scaffold ca
maksim [4K]

Answer:

A). PR = 16.13 ft

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Step-by-step explanation:

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From the figure attached,

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(PR)² = (PQ)² + (QR)²

(PR)² = (14)² + (8)²

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Part (B).

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