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LekaFEV [45]
3 years ago
13

Please please try to help me with most of my last 5 questions. If not, then at least 1 of them.

Mathematics
1 answer:
tester [92]3 years ago
4 0

Answer:

20 part a-  b

Step-by-step explanation:

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X + y = 10<br> x - y = 2
lys-0071 [83]

Answer:

x=6

y=4

Step-by-step explanation:

just find the number that will match or u could just plug in one of those number and find other number

4 0
3 years ago
Read 2 more answers
Tom wants to reach a second floor window on a house that is 20 feet above ground. If he must put the ladder at a 70 degree angle
LuckyWell [14K]
Assuming the house is parallel to the ground, your triangle is made up by the house, the ground, and the ladder. Using sin(x) = opposite/hypotenuse on the angle 70 degrees, you would have sin(70) = 20/x (because 20 is the side opposite of the angle connecting the ladder and the ground)
--> simplify sin(70) * x = 20 --> x = 20 / sin(70 
--> substitute (and make sure your calculator in in degrees) x= 21. 284
7 0
4 years ago
Divide and write in simplest form 4/7 divided by 1 1/7
IrinaVladis [17]

First, change the mixed fraction into improper fraction

1 1/7 = 7/7 + 1/7 = 8/7

(4/7)/(8/7)

To solve, flip the second fraction, and change the division into multiplication

(4/7)/(8/7) = (4/7) x (7/8)

Multiply, and simplify

(4/7) x (7/8) = 28/56, or 1/2

1/2 is your answer

hope this helps

7 0
3 years ago
Come on y'all....plz
boyakko [2]

Answer:

In image

Step-by-step explanation:

You need to draw it yourself

6 0
3 years ago
Read 2 more answers
Need help on this one please
Archy [21]
The answer is A because there are only acute angles
3 0
3 years ago
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