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Zolol [24]
3 years ago
6

BRAINLIEST!!!!!!!!

Mathematics
2 answers:
Aleksandr-060686 [28]3 years ago
5 0

Answer: c

Step-by-step explanation:

PilotLPTM [1.2K]3 years ago
5 0

Answer:

Option B - 65%

Step-by-step explanation:

Given : Suppose the x-axis of a density graph represents someone's height in inches. If the area under the density curve from 60 inches to 70 inches is 0.65.

To find : What is the probability of someone's height being anywhere from 60 inches to 70 inches?

Solution :

The probability percentage of a curve is defined  as the area under the density curve as

P=\int\limits^a_b {e^{f(x)}} \, dx =A

The area under the density curve from 60 inches to 70 inches is 0.65.

So,The probability is equal to the area = 0.65

Therefore, The probability of someone's height being anywhere from 60 inches to 70 inches is 65%.

Hence, Option B is correct.

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What is the slope of y=7-3x
Anna [14]
The equation used above is y-intercept form. 

ex. y = mx + b

Whatever is in front of the x is your slope.

Your slope is -3
7 0
3 years ago
it costs $20 for 4 play tickets and $35 for 7 play tickets. Is cost per ticket constant? why or why not?
KonstantinChe [14]

Answer:

The cost per ticket is<u> constant</u>.

Step-by-step explanation:

Given:

It costs $20 for 4 play tickets and $35 for 7 play tickets.

Now, to get whether cost per ticket is constant or not.

So, if the cost per ticket is constant that means the cost of ticket for a play or more is fixed, non-varying and it does not change.

Now, we check it:

4 play tickets costs  = $20.

1 play tickets costs  = $20 ÷ 4 = $5.

So, 7 play tickets costs = $5 × 7 = $35.

Thus, the cost of ticket for play is not changing and it is constant.

So the cost per ticket is constant.

Therefore, the cost per ticket is constant.

4 0
3 years ago
Which set of ordered pairs is NOT a function? {(0,0), (1,1), (2,2), (3,3)} {(1,2), (3,4), (4,5), (5,6)} {(4,1), (5,1), (6,1), (7
vovikov84 [41]

Do you not have a graph to go with it?

4 0
3 years ago
Need help on this question
Sedaia [141]

Answer:

A

Step-by-step explanation:

Hey There!

So these triangles are congruent so segment CD is equal to segment DB

so to find x we use the equation

7x+10=10x+7

now we solve for x

step 1 subtract each side by 7

10-7=3

7-7 cancels out

now we have 7x+3=10x

step 2 subtract each side by 7 x

10x-7x=3x

7x-7x= cancels out

now we have

3x=3

step 3 divide each side by 3

3/3=1

3/3 cancels out

now we have

x=1

3 0
3 years ago
Read 2 more answers
This is really confusing
sertanlavr [38]

Answer:

a. Diego

b. Lin

Step-by-step explanation:

a. Diego

b. Lin

It's pretty easy just do some subtraction.

Actually look and pay attention in class this is like grade 1 math.

7 0
2 years ago
Read 2 more answers
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