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nydimaria [60]
3 years ago
13

Need help with this math please.

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
4 0

Answer:

Do what it says and i'll give you the answer.

Step-by-step explanation:

1.  Because the slopes are negative recipricals of each other then these lines are perpendicular. y=x+7 (red line) y=-x+2 (green line) +graph%28+300%2C ...

2.

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27 over X =3 and 5y = 35 what is the value of <br> X• Y?
diamong [38]

Answer:

63

Step-by-step explanation:

\frac{27}{x} = 3

divide, 27 ÷ 3

you'll get 9, so

x = 9

Next part

5y = 35

divide both sides by 5 to isolate y,

5y ÷ 5 = 35 ÷ 5

=

y = 7

So

x = 9 and y = 7

Then let's add the numbers to our equation ( x × y)

9 × 7

=

63

7 0
3 years ago
Can anybody help with this
iris [78.8K]
100 =d


your welcome lol
8 0
3 years ago
Please help as soon as possible<br><br> Select all that apply.<br> To write a percent as a decimal
777dan777 [17]

Answer:

C: move the decimal point two place to the right

Step-by-step explanation:

8 0
3 years ago
You roll a six sided die. You are given $8 if a 6 comes up, $2 if a 3, 4, 5 comes up, and
Dovator [93]

We want to get the expected value for the given experiment. We will see that the expected value is $2.33

For an experiment with outcomes {x₁, ..., xₙ} each one with probability {p₁, ..., pₙ} the expected value is defined as:

EV = x₁*p₁ + ... + xₙ*pₙ

Here we have 3 outcomes:

  • x₁ = winning $8
  • x₂ = winning $2
  • x₃ = winning $0.

For x₁ we need to roll a 6, this is a probability of 1 out of 6, then:

p₁ = 1/6

For x₂ we need to roll a 3, 4, or 5 (3 out of 6), then:

p₂ = 3/6

For x₃ we need to roll a 1 or a 2 (2 out of 6) so the probability is:

p₃ = 2/6

Then the expected value is:

EV = $8*(1/6) + $2*(3/6) + $0*(2/6) = $2.33

If you want to learn more about expected values, you can read:

brainly.com/question/15858152

5 0
2 years ago
Does the graph below represent a function why or why not
kaheart [24]

Answer:

fyyockkgxixxyiyxicycyfjohoyc

8 0
3 years ago
Read 2 more answers
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