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lana [24]
2 years ago
10

Kena calculates that she spends 15% of a school day in science class. If she spends 75 minutes in science class, how many minute

s does Kena spend in school?
Mathematics
1 answer:
ankoles [38]2 years ago
5 0

Answer:

Step-by-step explanation:

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PLEASE HELP FAST!! WILL MARK AS BRAINLIEST IF GIVEN GOID ANSWER....​
alexandr1967 [171]

Answer:

Step-by-step explanation:

I am quite not sure what do you mean by corresponding.

like, what side should RS in ΔRQS would be the side in ΔRSP

if so, then the answer would be PR

we know this because RS is the hypotenuse of ΔRQS

and PR is the hypotenuse of ΔRPS

But if you meant by the question that which side would be equal to the side in the bigger triangle, then it would be RS itself, because it's a common side in both triangles

hope this helps!

6 0
2 years ago
Suppose the students construct a 95% confidence interval for the true weight of their rocks. Whose interval do you expect to be
MakcuM [25]

Answer:

(i) The student who weighed the rock 20 times.

Step-by-step explanation:

The margin of error of a confidence interval is:

M = z*\frac{\sigma}{\sqrt{n}}

In which z is related to the confidence level, \sigma is the standard deviation of the population and n is the size of the sample.

From the equation above, the larger the size of the sample, the lower the margin is, that is, the narrower the interval is.

In this question:

A student weighed the rock 20 times and other the 5. From above, the one who weighed the rock 20 times will have the more precise interval.

So the correct answer is:

(i) The student who weighed the rock 20 times.

7 0
3 years ago
Is (4,3) a solution for<br> y=3x-9 <br> y=1/2+1
tamaranim1 [39]
(4,3) is a solution for y=3x-9 but not y=1/2+1.
8 0
2 years ago
I really need help it’s slope and I’m very confused
abruzzese [7]
Slope formula is y=mx+b so m is the slope and b is the y-int all u do is replace the numbers with the letters and they give u the formula which would be y=-8x-3
4 0
3 years ago
An average rate of change of 2 and has a value of 0 when x=-1
r-ruslan [8.4K]
I don't know I'm sorry
7 0
3 years ago
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