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Zinaida [17]
2 years ago
12

Will mark brainliest

Mathematics
1 answer:
MrMuchimi2 years ago
5 0

Answer:

i think addition

..........

Step-by-step explanation:

.

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How do you solve this?
ohaa [14]
-7x -7y = 21
Y = 6

Since they are giving you the value of 6 you just plug it in the equation

-7x - 7(6) = 21
-7x - 42 = 21
+ 42. +42

-7x = 63
/-7. /-7

X = -9
7 0
3 years ago
Read 2 more answers
What is the domain of the function y =<br> x +4?
Sever21 [200]

all real numbers is the domain of the function y=x+4

8 0
3 years ago
One of two complementary angles measures 30 degrees more than three times the other. Find each angle.
Leviafan [203]

The two complementary angles are:

95° and 15°

Step-by-step explanation:

Let x be one angle

then the other angle will be 90-x

As the sum of complementary angles is 90

So,

then according to statement

x = 3(90-x)+30\\x = 270-3x +30\\x = 300-3x\\x+3x = 300\\4x = 300\\x = \frac{300}[4}\\x = 75\\and\\90 -x = 90 - 75 = 15

The two complementary angles are:

95° and 15°

Keywords: Angles, triangles

Learn more about angles at:

  • brainly.com/question/573382
  • brainly.com/question/570997

#LearnwithBrainly

7 0
3 years ago
A rectangular filed is 190m by 270m . A rectangular barn is 23 m by 40 m is built in the field .
Anika [276]

Answer: 50,380m

Step-by-step explanation:

190m * 270m = 51,300m

23m * 40m = 920m

Because the barn is in the field, we subtract the barn's area from the field's area, which leaves us with

51,300m - 920m = 50,380m

4 0
3 years ago
Emma bridge in average of 20 pages each day she has six days to read 10 of the power of pages will she finish her reading in 6 d
Oksi-84 [34.3K]

Answer:

33

Step-by-step explanation:

Find the unit rate by dividing 20 by 6 which is 3.3.  This is how long it took Emma to read one page.    multiply it by 10 and get 33

7 0
3 years ago
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