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olga55 [171]
2 years ago
14

A charity received 240 donations. The total amount received was 7,680. If x represents the average donation, which THREE stateme

nts are
correct?
Mathematics
1 answer:
ch4aika [34]2 years ago
6 0

Answer:

x=32

Step-by-step explanation:

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Solve please I don’t know how to do this.
nadya68 [22]

Answer:

n=40

Step-by-step explanation:

8 0
3 years ago
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EastWind [94]
I don’t know what it is
3 0
3 years ago
Help pleaseeeeeeeeeeeeeeeee
jok3333 [9.3K]

Answer:

D(- 1) = 2

Step-by-step explanation:

To evaluate D(- 1), substitute x = - 1 into D(x) , that is

D(- 1) = (- 1)² - 2(- 1) - 1 = 1 + 2 - 1 = 2

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3 years ago
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PLEASE HELP!! ITS A TEST!!
irakobra [83]

Answer:

40°

Step-by-step explanation:

A parallelogram is a quadrilateral (a four-sided object) with parallel sides

Some of the characteristics of a parallelogram includes:

1. Opposite sides and angles are congruent.

2. Opposite angels are congruent  

3. Consecutive angles are supplementary  

4. The diagonals bisect each other

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Angle ADB = 180 - 35 - 105 = 40

I subtracted from 180 because sum of angles in a triangle is equal to 180

3 0
2 years ago
The graph shows that Chelsea can type 175 words in minutes.
jasenka [17]
In this graph, we see Chelsea types 50 words per minutes.
To find the answer, I will use tree diagram:
50 words in 1 minute
175 words in ?minutes
Step 1:
Cross multiply
175×1=175
Step 2:
Use division
175÷50=3.5 or 3 1/2 minutes. As a result, Chelsea types 175 words in 3.5 minutes or 3 1/2 minutes. Hope it help!
3 0
3 years ago
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