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4 years ago

What is the probability that a random selected score is greater than 29 points

Mathematics

1 answer:

IrinaK [193]4 years ago

5 0

30 because 30 is bigger than 29 points

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5. Find the coordinates of the midpoint of the segment whose endpoints are 1l(6, 4) and K(2. 8).

Cerrena [4.2K]

Answer:

5. D (4,6)

6. B (7.8)

Step-by-step explanation:

5. Add the two X coordinates (6+2) and divide that by 2 (8/2=4), do the same for the two Y coordinates (4+8=12, 12/2=6)

6. Use the distance formula $\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}\\$

Input the coordinates $\sqrt{(3-8)^{2}+(8-2)^{2}$

3 0

3 years ago

Read 2 more answers

If - 4x + 6y = 9 and -2x – 7y = -8 are true equations, what would be the value of -2x + 13y?

UkoKoshka [18]

Answer:

Step-by-step explanation:

The expression of interest is the difference of the two given expressions.

(-4x +6y) -(-2x -7y) = (9) -(-8)

-2x +13y = 17

The value is 17.

_____

Additional comment

You could go to the trouble to solve the two equations for x and y, then compute the value of the expression you want. As we saw above, that is not necessary.

The first step in problem solving is always "look at the given information and how it relates to what you are asked." A little time spent doing that can save a lot of effort in the actual problem solving process.

6 0

3 years ago

Plz help someone. The question is: Is it Additve relationship or a Proportional relationship

lara31 [8.8K]

Answer:

proportional relationship

Step-by-step explanation:

its proportional because it crosses through the axis :3

6 0

3 years ago

Find: (6m5 + 3 – m3 – 4m) – (–m5 + 2m3 – 4m + 6) Write subtraction of a polynomial expression as addition of the additive invers

Musya8 [376]

Exactly right down to the last step, but some errors in combining terms.

(6m^5 + 3 – m^3 – 4m) – (–m^5 + 2m^3 – 4m + 6)
= (6m^5 + 3 – m^3 – 4m) + (m^5 – 2m^3 + 4m – 6)
= 6m^5 + 3 + (–m^3) + (–4m) + m^5 + (–2m^3) + 4m + (–6)
= [6m^5 + m^5] + [3 + (–6)] + [(–m^3) + (–2m^3)] + [(–4m) + 4m]
= (6+1)m^5 +(-1-2)m^3 +(-4+4)m +(3-6)
= 7m^5 – 3m^3 – 3

6 0

3 years ago

Read 2 more answers

Select the correct answer from each drop-down menu.

Pepsi [2]

Answer:

x = 63°

y = 45°

z = 72°

Step-by-step explanation:

Points to remember

1). Opposite angles of a parallelogram are equal

2). Adjacent angles of a parallelogram are supplementary

3). Sum of angles of a triangle is 180°

To find the measures of given angles

ABCD is parallelogram.

m<C = m<C = x = 63°

Consider triangle ABD

m<A + m< B + m<D = 180

x + 72 + y = 180

y = 180 - ( 72 + x) = 180 - 135

y = 45°

Also y + z + m<C = 180

45 + z + 63 = 180

z = 180 - 108

z = 72°

6 0

4 years ago