3 years ago

Can anyone help me with this question please I’ll mark you as a brainliest.

Mathematics

1 answer:

raketka [301]3 years ago

3 0

Answer:

Step-by-step explanation:

The other options don't correspond to the figure above.

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15+[-8 (-4)] how do I work this problem..

Juliette [100K]

Multiply -8 by -4, then add fifteen! Your answer will be 47!

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3 years ago

X ^ 2 + 4x - 7 = 0<br><br> Solve using the Quadratic Formula

aalyn [17]

There's a special case of the quadratic formula called the Shakespeare Quadratic Formula (2b or -2b) that applies when the linear coefficient is even.

$x^2-2Bx + C \textrm{ has zeros }x = B \pm\sqrt{B^2 - C}$

If you're planning on solving a lot of quadratic equations quickly, it's good to know.

Here we have

$x^2 + 4x - 7 = 0$

$x = -2 \pm \sqrt{2^2 - -7}$

$x = -2 \pm \sqrt{11}$

8 0

3 years ago

Can someone help me please ???????

Inessa [10]

Answer:

d=1

Step-by-step explanation:

Factor d^2 - 2d - 8 into (d-4)(d+2)

Move -2/d+2 onto the other side, changing it into 2/d+2.

$\frac{-3d}{(d-4)(d+2)} +\frac{3}{d-4}+\frac{2}{d+2} = 0$

Let the empty side equal zero.

Add 3/d-4 and 2/d+2

$\frac{5d-2}{(d+2)(d-4)}$

Then add that to -3d.

$\frac{2d-2}{(d+2)(d+4)}$

Multiply 0 by d+2 and d-4 to get 2d-2 by itself.

2d=2

d=1

I can't edit the equation, but it's d-4 althroughout the question. Sorry for being so slow.

6 0

2 years ago

Answer this question to get marked as brainliest!!!!!

____ [38]

Answer:

Step-by-step explanation:

3 0

2 years ago

Explain the following in complete sentences:

Soloha48 [4]

Answer:

The answer is that they are both paralleagrams.

Step-by-step explanation:

Hope this helps

8 0

2 years ago