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rewona [7]
3 years ago
8

A student has earned a 92%, 88%, 65%, 79%, and 99% on her unit tests. What is the student's mean unit test score? Enter your ans

wer in the box. mean = %
Mathematics
2 answers:
Feliz [49]3 years ago
6 0
92+88+65+79+99=423
423/5=84.6%
5 is from the amount of percentages given
ZanzabumX [31]3 years ago
6 0

Evet hocam proje konularını da bir insan değilim ki bir şey olmaz sen de bir insan değilim ki
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TAKING TEST PLEASE HELP
kicyunya [14]

Answer:

A

Step-by-step explanation:

just took the test ! (double checked:)

8 0
3 years ago
Solve the system by using the combination method<br> 4x+9y=7 <br> 4x-9y=9
harkovskaia [24]
The two original functions are 4x+9y=7 and 4x-9y=9
To use the combination method, add all the values of the two equations together to cancel out one of the variables
4x+4x+9y-9y=7+9
8x=16
8x/8=16/8
x=2
4(2)+9y=7
8+9y=7
8-8+9y=7-8
9y=-1
y=-\frac{1}{9}
7 0
3 years ago
A chef uses 5 pounds of flour to bake 120 blueberry muffins.
Cloud [144]

Answer:

A

Step-by-step explanation:

You can solve this problem by setting up a ratio. 5 pounds of flour makes 120 muffins, so the ratio of pounds of flour to muffins is 5:120=1:24. This means that you can make 24 muffins with 1 pound of flour. Multiplying both of these by 2, you get 24*2=48 muffins with two pounds of flour, or answer choice A. Hope this helps!

4 0
3 years ago
Read 2 more answers
NEED TO SHOW ALL WORK) For each of the equations given below, use the triangle method to solve for the
Lelechka [254]

Answer:

1) a=\dfrac{F}{m}

2) m=\dfrac{p}{v}

Step-by-step explanation:

1) The given equation is

F=ma

We need to solve this for a.

In the given triangle place single variable i.e., F, on the top and variables in the product in the bottom (order of m and a does not matter) as shown in the below figure.

Using the triangle and the operations (× and ÷), we get

F=ma

a=\dfrac{F}{m}

m=\dfrac{F}{a}

Therefore, the required answer is a=\dfrac{F}{m}.

2) The given equation is

p=mv

We need to solve this for m.

In the given triangle place single variable i.e., p, on the top and variables in the product in the bottom (order of m and v does not matter) as shown in the below figure.

Using the triangle and the operations (× and ÷), we get

p=mv

m=\dfrac{p}{v}

v=\dfrac{p}{m}

Therefore, the required answer is m=\dfrac{p}{v}.

3 0
3 years ago
Jk,kl, and lj are all tangent to circle o, ja=13,al=7, and ck=10 what is the perimeter of angle JKL
Alex73 [517]

see the picture attached to better understand the problem


we know that

two tangent segments drawn from the same exterior point are congruent

so

JA=JB ,

LA=LC,

KC=KB

JA=13 units

LA=7 units

kC=10 units

hence

perimeter = JA+JB+LA+LC+KC+KB------> 13+13+7+7+10+10------> =60 units


therefore


the answer is

the perimeter of triangle JKL is 60 units

8 0
3 years ago
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