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jeka94
3 years ago
6

A race car driver has 28 cars. Each car has 4 tires. He has to replace all the tires on the cars. He has 22 tires right now.

Mathematics
2 answers:
Lostsunrise [7]3 years ago
7 0

Answer:

94 tires

Step-by-step explanation:

He would be able to change 5 cars, but would need to buy 94 more tires.

I divided 22 by 5 and got 5.5. Then, I subtracted 28 minus 5, and got 23 times that by 4 and got 92 but you need to add the extra 2 tires.

allsm [11]3 years ago
3 0

he needs to buy a total of 81 tires to finish the job

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Step-by-step explanation:

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What is the measure of angle A ?<br> what is the measure of angle B ?
lesya692 [45]

Answer:

\angle\,A=72^o\\\angle\,B=108^o

Step-by-step explanation:

Notice that buy construction of a parallelogram,the angles \angle \,A and \angle \,C must equal each other. Then, based on the info given,  we can write the following equation:

3\,y+27^o=5\,y-3^o\\27^o+3^o=5\,y-3\,y\\30^o=2\,y\\y=15^o

Then, angle \angle \,A =5\,(15^o)-3^o=72^o  which is also equal to angle B

and since the addition of all internal angles of the parallelogram must equal 360^o , then:

B+D=360^o-72^o-72^o=216^o

and therefore, since \angle \,B and \angle \,D  must be equal, then:

\angle\,B=\frac{216^o}{2} =108^o

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3 years ago
What happens when you have a square root on top of another square root?
worty [1.4K]
Just put the numbers under one square root symbol and try to simplify.
3 0
3 years ago
Bill is also planning to buy a condo and he needs to finance $115,000. At which mortgage lender will Bill get the better deal? H
IRINA_888 [86]

The better deal based on the information is mortgage A as it's cheaper.

<h3>How to calculate the better deal?</h3>

From the information given, the loan amount for mortgage A will be:

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2 years ago
Convert 60° to radians.
yawa3891 [41]

Answer:

1,0472 rad

Step-by-step explanation:

ANGLE MEASURES

Generally two measuring systems are used:

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A sexagesimal degree is the amplitude of the angle resulting from dividing the circumference into 360 equal parts.

2. The radial system whose unit is the radian: rad

A radian is the measure of the center angle of a circle whose arc length coincides with the length of its radius.

<u>CONVERSION OF GRADES TO RADIANS </u>

To convert an angle of degrees to radians or vice versa, what must be done is a rule of three, considering that:

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Calculation

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