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larisa86 [58]
3 years ago
13

Please write a solution then solve it

Mathematics
1 answer:
Fantom [35]3 years ago
8 0
13×379=4927 and to make it easier try watching the online math course "How To Do Hard Problems in your Head" First Link I think
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PLEASE HELP ASAP DUE IN LIKE 5 MINUTES
liberstina [14]
KF = 8 units ( 16/2 = 8)
Angle DEK = 88 degrees ( 44 x 2 = 88)
Angle DFE = 90 degrees
4 0
3 years ago
Can someone please Help Me !!!!
baherus [9]
The statement at the top says that the triangles are 'similar'. That means that the corresponding angles are equal, and each pair of corresponding sides have the same ratio. From the 4 and the 8, you can see that each side in the small one is 1/2 the length of the corresponding side in the big one. So the missing sides are 1/2 the length of the 7 and the 12.
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3 years ago
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How do i solve x^2+7x=3x
valina [46]
To solve, you must make one side of the equation equal to zero. We can do this by subtracting 3x on both sides of the equation.

<span>x^2 + 7x = 3x
</span>       - 3x    -3x

x^2 + 4x = 0.

Then we substitute the equation into the quadratic equation.

\frac{-b+- \sqrt{b^2-4ac} }{2a}

Where a = 1 b = 4 and c = 0

\frac{-(4)+- \sqrt{(4)^2-4(1)(0)} }{2(1)}

We first solve whats inside the square root.

\frac{-(4)+- \sqrt{16} }{2(1)}

\sqrt{16} = 4

Now we solve for -4 and 4.

-4 - 4 = -8
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Then divide both answer by 2

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7 0
4 years ago
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Is (x+5) A FACTOR OF f(x) = x3 − 4x2 + 3x + 7
AlekseyPX

Answer:

<u><em>(x+5) is not a factor of f(x)</em></u>

Step-by-step explanation:

Step 1 : we solve the equation x +5 = 0

x + 5 = 0 then x = -5

Step 2: we plug in -5 into f(x)

If we get zero then x+5 is a factor of f(x)

If we get a number other than zero then x+5 is not a factor of f(x)

Calculation:

f(-5) =  (-5)³ − 4(-5)² + 3(-5) + 7 = - 233

Since we got -233 and not 0

Therefore ,(x+5) is not a factor of f(x)

8 0
2 years ago
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If p(x) = 2x^2 – 4x and q(x) = x – 3 what is (p*q)(x)
Arisa [49]
Work shown above! Answer would be 2x^2 -16x + 30

5 0
3 years ago
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