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2 years ago

5

HELP MEE PLSSS I REALLY NEED HELP

1 answer:

Nana76 [90]2 years ago

5 0

Answer: to understand this we need a picture of the triangle, but without it I know that the only answer that is correct is the 3rd

Step-by-step explanation:

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What proportion of a normal distribution corresponds to z scores greater than 1.04?

Tom [10]

We would need to look over the z table to find the area under the standard normal distribution curve to the left of z = 1.04. Then we'll subtract it from 1 to get the proportion of a normal distribution corresponding to z scores greater than 1.04.
By looking at the z table, we can see that the area to the left of z = 1.04 is 0.8508. So the proportion of a normal distribution to the right of z = 1.04 is 1 – 0.8508 = 0.1492.

The answer is 0.1492.

7 0

2 years ago

Read 2 more answers

Find two consecutive whole numbers that 7 lies between.

Wittaler [7]

The answer is actually 3 and 4.

$\sqrt{7}$ lies between the two consecutive numbers 3 and 4.

I hope this helped! :))

5 0

3 years ago

Quickly solve (x+7)2=121, for x. Graph the solution on a number line.

asambeis [7]

Answer:

The value of the x is 53.5 or x=53.5

Step-by-step explanation:

Given data in the question:-

$(x+7)2=121$

We have to find the value of x.

Solution:-

$(x+7)2=121\\=>2x+14=121\\=>2x=121-14\\=>2x=107\\=>x=107/2\\=>x=53.5\\$

Hence the answer is 53.5

3 0

3 years ago

(7,-1) and (6, 6)

vova2212 [387]

Answer:

y=-7x+48 slope would be -7

Step-by-step explanation:

Used a Regression Calculator

3 0

2 years ago

Y=-2x²-8x-5 domain and range

Jobisdone [24]

Answer:

Domain: All real numbers

Range: y≤3

Step-by-step explanation:

The given function is

$y = - 2 {x}^{2} - 8x - 5$

This is a polynomial function.

The domain is set of all values of x, that makes this function defined.

Since polynomial functions are defined everywhere, the domain is all real numbers.

To find the range we put the function in vertex form:

$y = - 2( {x}^{2} + 4x) - 5$

$y = - 2( {x}^{2} + 4x + 4) - 5 + - 4 \times - 2$

$y = - 2( {x} + 2)^{2} - 5 + 8$

$y = - 2( {x} + 2)^{2} + 3$

The maximum value is 3

The function turns downward, hence the range is:

$y \leqslant 3$

6 0

3 years ago