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schepotkina [342]
2 years ago
9

Miguel needs $99.95 to buy himself a pair of Beats headphones. He has 1/5 of the money saved already. How much money has he save

d?
Mathematics
1 answer:
kumpel [21]2 years ago
7 0

$19.99

1/5 = 0.20

$99.95 X 0.20 = $19.99

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A store is having a 25% off sale on all shirts. Select all of the possible ways to calculate the sale price for a shirt that nor
maw [93]

Answer:

A,B, and C

Step-by-step explanation:

25%of 24 is 6, 24-6=18(new price)

A.24-(0.25×24)=24-6=18

B.(0.75)×24=18

C.(0.25×24)×3= 6×3=18

6 0
3 years ago
ella drew a rectangle that was 3 units wide and 4 units long. Draw a different rectangle that has the same perimeter but a diffe
RUDIKE [14]
First we can find the perimeter of the given rectangle

P=2L+2W (L=length and W=width)
P=2*3+2*4
P=6+8
P=14

So now we want to come up with a different combination of numbers that would give up a perimeter of 14. We know that 14 is divisible by 2 so let's make out width 2. If we plug in 2 as the width and 14 as the perimeters, we can solve for length

14=2L+2*2
14=2L+4 
10=2L (subtract 4 from both sides)
L=5

So the dimensions are 5 units and 2 units

Hope this helps!
5 0
3 years ago
A professor believes the students in a statistics class this term are more creative than most other students attending the unive
djverab [1.8K]

Answer:

Correct option: B

Step-by-step explanation:

The professor can perform a One-mean <em>t</em>-test to determine whether the average score of the students in his class is more than the average score of all the students attending university.

A <em>t</em>-test will be used instead of the <em>z</em>-test because the population standard deviation is not provided instead it is estimated by the sample standard deviation.

The hypothesis for this test can be defined as follows:

<em>H₀</em>: The average score of the students in his class is not more then the entire university, i.e. <em>μ ≤ 35</em>.

<em>Hₐ</em>: The average score of the students in his class is more then the entire university, i.e. <em>μ > 35</em>.

Given:

\bar x=40\\SE_{\bar x}=1.63

The test statistic is:

t=\frac{\bar x-\mu}{SE_{\bar x}}=\frac{40-35}{1.63}=3.0674\approx3.07

Thus, the correct option is (B).

4 0
3 years ago
Tìm giá trị lớn nhất và giá trị nhỏ nhất của hàm số <br> y=40<img src="https://tex.z-dn.net/?f=%5Csqrt%7B%28x-1%29x%5E%7B3%20%7D
Doss [256]

si 8888888888888888888888888888

3 0
3 years ago
50 POINTS AND I WILL MARK BRAINLIEST
iVinArrow [24]

Answer:

A

Step-by-step explanation:

Slope intercept form is

y=mx+b

y is y

3x is mx

and

b is 2

3 0
3 years ago
Read 2 more answers
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