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mihalych1998 [28]
3 years ago
5

Please help this is due tomorrow!!

Mathematics
2 answers:
olya-2409 [2.1K]3 years ago
4 0

Answer:

x+y=30 and x-y=8. Angel is 11 and Alex is 19

Step-by-step explanation:

30÷2=15

8÷2=4

15-4=11

15+4=19

19+11=30

Nikitich [7]3 years ago
3 0
Angel is 8 years old and Alex is 30 years old x-y=30
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Two angles are supplementary. The measure of one angle is 54 more than the measure of the other angle. What is the measure of th
il63 [147K]

Answer:

bigger angle is 117°

Step-by-step explanation:

x+x+54= 180 (when two angles are complementary it means that their sum is 180 degrees)

2x+54=180

2x= 180-54

2x=128

x=126/2

x= 63

x1= smaller angle

x1= 63

x2= bigger angle

x2= 63+54

x2=117

4 0
3 years ago
Here are the scores of students on a history test. 55, 56, 57, 58, 58, 64, 65, 66, 69, 75, 77, 78, 81, 81, 85, 86, 91. Create a
Anarel [89]
The first thing you need to do is get the median of the whole set.

The median is the center so since there are 17 numbers the center is 69 and 69 is Q2

Next we need to find Q1 Q3 and Q4 Also, are whiskers are below.
Whisker minimum = 55
Whisker maximum = 91

Now to find Q1 we have to get the median of the first half of the data.
We need to get the median of the following data set.
55, 56, 57, 58, 58, 64, 65, 66

(58+58) / 2 = 58
Q1 = 58

Now we need to find Q3. To do that we get the median of the second half of the data.
75, 77, 78, 81, 81, 85, 86, 91. 
(81 + 81) / 2 = 81
Q3 = 81

Now we have all our quartiles and whiskers, which are below, it is time to create our box and whisker plot. Note, create a horizontal or vertical number line with appropriate data. Also the box part is from Q1 to Q3 and your whiskers goes from your minimum to your box and from your maximum to your box.

Whisker Minimum = 55
Q1 = 58
Q2 = 69
Q3 = 81
Whisker Maximum = 91

6 0
3 years ago
When Ms. Morgan went hiking with Fuego, she saw a total of 25 tress. 6 of the trees were Elm trees. What percentage of trees wer
irina [24]

Answer:

24%

She didn't climb any trees.

Step-by-step explanation:

There are a total of 25 trees

6 were Elm Trees

The fraction of trees that were Elm trees are 6 / 25

Converting this fraction to percentage = 6 / 25 x 100 = 24%

The question doesn't provide any information on if she climbed any trees

8 0
3 years ago
Your class has 30 students. if 1/3 of them walk to school, how many students in your class walk to school
Delvig [45]
1/3 of 30 would be 10. So 10 students walk to school.
4 0
3 years ago
Suppose a charity received a donation of 12.7 million. If this represents 29% of the charity's donated funds, what is the total
DanielleElmas [232]

The total amount of its donated funds is  43\frac{23}{29}.

Given,

In the question:

A charity received a donation of 12.7 million.

If this represents 29% of the charity's donated funds.

To find the total amount of its donated funds.

Now, According to the question:

Based on the given conditions:

Received donation is = 12.7 million

Charity Funds = 29%

Formulate;

12.7 ÷ 29%

12.7/29%

= 12.7/0.29

Multiply both the numerator and denominator with the same integer

= 1270/29

= 43\frac{23}{29}

Hence,  The total amount of its donated funds is  43\frac{23}{29}.

Learn more about Percentage at:

brainly.com/question/19559470

#SPJ1

7 0
1 year ago
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