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Vsevolod [243]
3 years ago
9

Tristan is building steps up to a deck that is 1 and 5/6 yards above the ground.The steps must be all the same height if you wan

ts to make eight steps how high should he make each step
Mathematics
1 answer:
devlian [24]3 years ago
7 0

Let's work in inches. First, we convert 1 5/6 yards to inches.

1 5/6 yd * (36 inches)/(1 yd) = 11/6 * 36 in. = 66 in.

Now we divide the height by 8.

66 in./8 = 8.25 in.

Answer: 8.25 inches

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T-shirts are on sale for 35% off. If a T-shirt originally costs 17.40, what is the sale price?
ch4aika [34]

Answer:

49.7142857143

Step-by-step explanation:

17.40/35%

3 0
3 years ago
The Bernards are trying to determine their babysitter's rates but are to embarrassed to just ask her. They were charged $20 for
Alina [70]

Answer:

A = 5.5t + 9

Step-by-step explanation:

We assume that the relationship between t and A is linear.

We have two points on a line: (2, 20) and (4, 31).

We now find the equation of the line.

A = mt + b

m = (31 - 20)/(4 - 2) = 11/2 = 5.5

20 = 5.5(2) + b

20 = 11 + b

b = 9

A = 5.5t + 9

3 0
3 years ago
is vector v with an initial point of (-5,22) and a terminal point of (20,60) equal to vector u with an intintal point of (50,120
marta [7]

Answer:

Yes, vectors u and v are equal.

Step-by-step explanation:

We need to check whether vectors u and v are equal or not.

If the initial point is (x_1,y_1) and terminal point is (x_2,y_2), then the vector is

Vector=(x_2-x_1)i+(y_2-y_1)j

Vector v with an initial point of (-5,22) and a terminal point of (20,60).

\overrightarrow v=(20-(-5))i+(60-22)j

\overrightarrow v=25i+38j       ..... (1)

Vector u with an initial point of (50,120) and a terminal point of (75,158).

\overrightarrow u=(75-50)i+(158-120)j

\overrightarrow u=25i+38j         .... (2)

From (1) and (2) we get

\overrightarrow u=\overrightarrow v

Therefore, vectors u and v are equal.

5 0
3 years ago
Are the equations 3x = -9 and 4x = -12 equivalent? Explain
denis23 [38]

4(3x) = 4( - 9) \\ 12x =  - 36
3(4x) = 3( - 12) \\ 12x =  - 36
So the equations are equal
3 0
3 years ago
A family wants to use a simulation to find out the probability of having at least one boy in their first three children. The dig
34kurt
<span>The first born was a girl, followed by a boy, followed by a girl.</span>
3 0
3 years ago
Read 2 more answers
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