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marta [7]
2 years ago
8

6x – 7y = 25 15x+3y = 42

Mathematics
1 answer:
Dmitrij [34]2 years ago
8 0
The answer would =-1
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Do the points P (-2, -3), Q (4, 1) and R (2, 4) form a right triangle?
Free_Kalibri [48]

Answer:

the right triangle by using point p. Q.and R

I hope this help

7 0
2 years ago
A painter is painting a rectangular wall that measures 23.6 ft by 19.2 ft. Each gallon can of paint covers 200 square feet. What
ludmilkaskok [199]

Answer:

3 gallons

Step-by-step explanation:

Length of the rectangular wall = 23.6 feet

Width of the rectangular wall = 19.2 feet

Surface area of the wall = 23.6 × 19.2

                                        = 453.12 square feet

∵ 200 square feet of the wall is covered by the amount of paint = 1 gallon

∴ 1 square feet of the wall will be covered by the amount of paint = \frac{1}{200} gallons

∴ 453.12 square feet will require the amount of paint = \frac{453.12}{200}

                                                                                         = 2.2656 gallons

Therefore, minimum 3 gallons will be required to paint the wall.

5 0
3 years ago
When you add or subtract numbers over sings do you flip them?
sukhopar [10]
Say you have this problem.

4x=2x-4

First you would combine your like terms.

4x = 2x-4
-2x=-2x-4
---------------
2x=-4

Next you would divide

2x =-4
÷ -4 =-4
--------------
x = 0.5
6 0
3 years ago
Joey's sock drawer is unorganized and contains 3 black dress socks, 5 black ankle socks, 7 brown dress socks, and 6 brown ankle
kicyunya [14]
Joey has 21 socks all in all. Out of them, there are 10 dress socks and 13 brown socks. There are 7 brown dress socks. The probability,
                P (brown or dress) = P (brown) + P (dress) - P (brown and dress)
Substituting,
               P(brown or dress) = 13/21 + 10/21 - 7/21 = 16/21
Thus, the answer is 16/21. 
5 0
3 years ago
Manny Had 3 bananas and he ate 3 of them. What is the age of Manny?
Kaylis [27]

Answer:

huh? this is not applicable, it says something about what he ate, not anything about his age, is there any other part of the question?

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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