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Elis [28]
3 years ago
6

s

." id="TexFormula1" title="elect all of the following expressions that are equivalent to 4√5." alt="elect all of the following expressions that are equivalent to 4√5." align="absmiddle" class="latex-formula">select all of the following expressions that are equivalent to 4√5.
Mathematics
1 answer:
STALIN [3.7K]3 years ago
5 0

Answer:

2x - 1.75x.

Step-by-step explanation:

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balandron [24]
4243.6-4000=243.6/4000= 0.06

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4 0
3 years ago
PLEASE HELP Given the function f(x) = 3x2 – 4
Zarrin [17]

Answer:

15

Step-by-step explanation:

Rate of change is the slope of the tangent which will be the derivative of the function

if f(x) = 3x² - 4

f'(x) = 6x

as the derivative is linear, the average rate of change will occur at the midpoint of the interval

f'(2.5) = 6(2.5) = 15

7 0
2 years ago
The midpoint M of the line segment AB is (-3,7). If the coordinate of B is (5,-1), what is the coordinate of the point A?
sleet_krkn [62]

Answer:

Coordinate of Point A is (-11, 15)

Step-by-step explanation:

M -- (-3, 7)

B -- (5, -1)

Therefore, (5 + x)/2  = -3

x = -11

(-1 + y)/2 = 7

y = 15

Therefore Point A is (-11, 15)

8 0
3 years ago
Read 2 more answers
Which ordered pair makes the inequality true? 2x + y > 8
Katena32 [7]
It could be multiple different answers. Any answer that will equal something higher than 8. Let's say (2, 5) for example. 2(2)+(5)>8    Two times two equals four plus five equals nine. Nine is greater than eight, therefore (2, 5) is true.
Hope this helps!
6 0
3 years ago
A soft-drink machine is regulated so that the amount of drink dispensed is approximately normally distributed with known standar
Vsevolod [243]

Answer:

This is  a reasonable decision because the sample size has no effect on the 90% confidence interval

Step-by-step explanation:

90% confidence interval

larger sample size = 20

condition : sample mean ( x-bar ) is the same for both samples

<em>This is  a reasonable decision because the sample size has no effect on the 90% confidence interva</em>l

<u>from condition 1 :</u>

Amount of drink dispensed is normally distributed with known standard deviation , given a random sample of n drinks and the sample mean at a confidence interval of 90%

<u>for condition 2 :</u>

sample size = 20

mean = 2.25 ( assumed value )

std = 0.15 ( assumed value )

Z = 1.645 ( Z-value )

determine the 90% confidence interval

= mean ± z \frac{std}{\sqrt{n} }

= 2.25 ± 1.645 \frac{0.15}{\sqrt{20} }

= 2.25 ± 0.0335 = ( 2.2835 , 2.2165 )

7 0
3 years ago
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