3 years ago

Please answer these questions

Mathematics

1 answer:

maria [59]3 years ago

8 0

Answer: I don’t know the answer to it but I will try and if I got it will tell u

Step-by-step explanation:

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Plz need help like now plz

nika2105 [10]

T) -7x+10y=20. M) -3x+y=-2 - ,
2(8x-5y)=35(2) -1(x+y)=-6(-)

-7x+10y=20. -3x+y=-2
16x-10y=70. -x-y=6

9x=90. -4x=4
[x=10] [x= -1]

-7(10)+10y=20. -3(-1)+y=-2
-70+10y=20. 3+y=-2
10y=90. [y= -5]
[y=9]

7 0

4 years ago

Through which pairs of points is the slope negative? Select all that apply. a. (3, 6) and (10, 6)

xeze [42]

Trial and error on this one try each pair till you find negative slopes
C and D

5 0

3 years ago

Explanation please will give brainliest.

Sonja [21]

Answer:

$AC = 28$

Step-by-step explanation:

Given

$AB = 16$

$BC = 12$

Required

Determine AC

Since A, B and C are collinear, then:

$AC = AB + BC$

So, we have:

$AC = 16 + 12$

$AC = 28$

5 0

3 years ago

For EASY BRAINLIEST!!! Answer: A. B. C. D. On both questions

tekilochka [14]

Answer:

8a) 3x

8b) 3 × x

8c) (2/3)x

8d) x/2

8e) 1/x

9a) 4x - 7

9b) x + 1/x

9c) 5(x + 2)

9d) x/(x + 4)

9e) (x/8) + x

4 0

3 years ago

Which is greater 78.61 or78.6

ANTONII [103]

Answer:

78.61 is greater than 78.6.

Step-by-step explanation:

Adding a zero to 78.6, resulting in 78.60, makes it easier to compare 78.6 and 78.61. 78.61 is greater than 78.6.

7 0

3 years ago