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3 years ago

Acar is traveling at 65 miles per hour. What happens to the number of miles when the number of hours changes?

Mathematics

1 answer:

Valentin [98]3 years ago

6 0

When the number of hours increases, the number of miles increases

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The distance between a football Fsaid and a parking lot is 135 feet. What is that length in yards? 2 Mickey needs to cut pieces

iragen [17]

Answer:

See below

Step-by-step explanation:

1. there are 3 feet in a yard.

135/3=45

45 Yards

2. There are 10 meters in 1 dekameter

he has 8 dekameters

10*8=80

he can cut 80 1-meter pieces of ribbon

6 0

4 years ago

A number y is no more than -8

adell [148]

Answer:

y≤-8

Step-by-step explanation:

This sign represent y is no more than/is less than or equal to.

I hope this helps!=)

8 0

3 years ago

What is the length, in units, of segment CD?

leonid [27]

Answer:

The answet is C.

Step-by-step explanation:

First, you have to find the angle of ACB using Sine Rule, sinθ = opposite/hypotenuse :

$\sin(θ ) = \frac{oppo.}{hypo.}$

$let \: oppo. = 4 \\ let \: hypo. = 5$

$\sin(θ) = \frac{4}{5}$

$θ = {\sin( \frac{4}{5} ) }^{ - 1}$

$θ = 53.1 \: (1d.p)$

Given that line AB is parallel to line CD so ∠C = 90°. Next, you have to find the angle of ACD :

$ACD = 90 - 53.1 = 36.9$

Lastly, you can find the length of CD using Cosine rule, cosθ = adjacent/hypotenuse :

$\cos(θ) = \frac{adj.}{hypo.}$

$let \: θ = 36.9 \\ let \: adj. = 5 \\ let \: hypo. = CD$

$\cos(36.9 ) = \frac{5}{CD}$

$CD \cos(36.9) = 5$

$CD = \frac{5}{ \cos(36.9) }$

$CD = 6.25 units\: (3s.f)$

4 0

3 years ago

Myles mows lawns during the summer to earn money. Since he is trying to save money for a car, he tries not to spend very much of

Marysya12 [62]

$36

128/7 is about 18

18x2= 36

5 0

3 years ago

The average of 5 consecutive multiples of 5 is 20 what is the largest of these numbers

vlada-n [284]

Answer:

Step-by-step explanation:

5 consecutive multiples of 5....

x , x + 5, x + 10, x + 15, x + 20

the average is 20...

(x + x + 5 x + 10 + x + 15 + x + 20) / 5 = 20

(5x + 50) / 5 = 20

5x + 50 = 20 * 5

5x + 50 = 100

5x = 100 - 50

5x = 50

x = 50/5

x = 10......smallest number

x + 5 = 10 + 5 = 15

x + 10 = 10 + 10 = 20

x + 15 = 10 + 15 = 25

x + 20 = 10 + 20 = 30 <=== largest number

4 0

4 years ago