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Ronch [10]
3 years ago
13

Find the solution to the system of equations below.

Mathematics
1 answer:
leva [86]3 years ago
3 0

Answer:

the answer is c.(3,-3)

:)

Step-by-step explanation:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

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HURRY 25 POINTS mathssas
polet [3.4K]

Answer:

6.6875 correct to 4 s.f

Step-by-step explanation:

T=m/f

T=120/25.6

T=6.6875 correct to 4 s.f

8 0
3 years ago
Given the Trapezoid ABCD<br><br> Find the length of AD <br><br> Pls hellpppp
matrenka [14]

Given:

In trapezoid ABCD, AD\parallel BC, MN is the mid-segment of ABCD, AD=30x-10,MN=31x+1,BC=30x+28.

To find:

The length of AD.

Solution:

We know that the length of the mid-segment of a trapezoids is half of the sum of lengths of two parallel sides of the trapezoid.

In trapezoid ABCD,

MN=\dfrac{AD+BC}{2}

31x+1=\dfrac{30x-10+30x+28}{2}

31x+1=\dfrac{60x+18}{2}

31x+1=30x+9

Isolate variable terms.

31x-30x=9-1

x=8

Now,

AD=30x-10

AD=30(8)-10

AD=240-10

AD=230

Therefore, the length of AD is 230.

6 0
3 years ago
Write this in standard form y+2=-3/4(x+1) that -3/4 is a fraction plz show work!!
pentagon [3]
Y+2=-3/4(x+1)
y+2=-3x/4 -3/4
y=-3x/4 - 3/4 - 2
y = -3x/4 - 3/4 - 8/4
y = -3x/4 - 11/4
7 0
3 years ago
Need an answer for expand and simplify bracket quickly please <br><img src="https://tex.z-dn.net/?f=%20-%202%28p%20-%204%29%28p%
34kurt

Answer:

-p^2+32

Step-by-step explanation:

Start by expanding the -2 into the (p-4) bracket using the distributive method:

-2(p-4)\\-2p + 8

Now, expand the result into the remaining bracket:

(-2p + 8)(p+4)\\-2p^2 -8p+8p+32\\-2p^2 + 32

8 0
2 years ago
XD PLZ HELP ME I DONT UNDER STAND PLZ IM BEGGING
Natali [406]

Answer:

the volume for the second page is 607.5

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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