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3 years ago

You can read 46 pages of your new book in 2 hours. How many pages can you read in 3 hours?

Mathematics

2 answers:

seropon [69]3 years ago

7 0

Answer: 69 pages

Work Shown:

46 pages = 2 hours

23 pages = 1 hour .... divide both sides by 2

69 pages = 3 hours ... multiply both sides by 3

Another way to find the answer is to solve the equation below for x

46/2 = x/3

makkiz [27]3 years ago

3 0

Number of pages read in 2 hours = 46

So, number of pages read in 1 hour = 46/2 = 23

So, number of pages read in 3 hours

= 23 × 3

= 69

So, I can read 69 pages in 3 hours.

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3. A children's slide is 10 feet long and inclines 64° from the ground. The

Nata [24]

Answer:

87.0°

Step-by-step explanation:

The law of sines can be used to solve this. We have two sides of a triangle and the angle opposite one of them. We want to find the angle opposite the other known side.

In the attached, the triangle is ΔACS. We have side "a" = 9, and side "c" = 10. Angle A is given as 64°. The law of sines tells us ...

sin(C)/c = sin(A)/a

sin(C) = (c/a)sin(A)

C = arcsin((c/a)sin(A)) = arcsin(10/9·sin(64°)) ≈ 87.03°

The ladder makes an angle of about 87° with the ground.

3 0

3 years ago

John’s teacher gave him the following system of equations and asked him to find the point of intersection. 3x + 2 = y 2x – 3= y

Galina-37 [17]

1) to this case you must match both equations

3x+2 = 2x-3 ⇒3x-2x = -3-2⇒x= -5

now the value of x substitute it in the any of two equations, y = 3(-5)+2 = -13

and the other equation is the same value

y = 2(-5)-3 = -13

the point is ( -5,-13)

7 0

4 years ago

Which of the following are equivalent

Nataly_w [17]

Where’s the question?

3 0

2 years ago

Which expression is equivalent to...Assume that the denominator does not equal zero.

skad [1K]

Answer:

Step-by-step explanation:

If you simple this expression we can see that 7/35 will simplify to 1/5 first. As for the exponents, you can write them out to make it easier to cancel, shown in the photo.

6 0

4 years ago

5/4 miness 5/8what does it equal

Ivan

Answer:
5/8
explanation:
5/4(2)=10/8-5/8

4 0

3 years ago