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stich3 [128]
3 years ago
13

What is the completely factored form of 8x2 - 50?

Mathematics
2 answers:
Yuki888 [10]3 years ago
7 0

Answer:

D ) .      2(2x+5)(2x-5)

Step-by-step explanation:

EDG2020

bogdanovich [222]3 years ago
3 0

Answer:

2(2x-5)(2x+5)

Step-by-step explanation:

I think you meant to say 8x^2-50. If so then factoring this down should be easy. Since there is no x value in the middle the equation will have a positive and a negative number. This is also a perfect square therefore, this factors down to: 2(2x-5)(2x+5).

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(x+5)(x-3)=y<br> How do I get y to equal 0
trasher [3.6K]

Answer:

x=-5 or x=3

Step-by-step explanation:

when multiplying anything by 0, the answer will be zero

In this case, one of the two factors has to be equal to 0

start by splitting into

(x+5) = 0

solve the equation

subtract 5 from both sides

x = -5

now, repeat for the other binomial

x-3 = 0

add 3 to both sides

x=3

7 0
3 years ago
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Given that<br>X2: (20 – 3x) = 1 : 2<br>find the possible values of x.​
hammer [34]

Answer:

Step-by-step explanation: x^2 : (20 - 3x) = 1 : 2

2x^2 + 3x - 20 = 0

(x + 4)(2x - 5) = 0

Solution:

x = -4

x = 5/2

6 0
3 years ago
What is 210 divided by 2 1/2
ki77a [65]

Answer:

210 divided 2 1/2= 84....

6 0
3 years ago
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If 1/2 is subtracted from four times the reciprocal of a number, the result is 0. Find the number.
Maurinko [17]

Answer:

The Number is 8.

Step-by-step explanation:

Let the number be x.

Given:

1/2 is subtracted from four times the reciprocal of a number, the result is 0.

Hence the equation will become like;

4\times \frac{1}{x} - \frac{1}{2}=0

Now Solving the equation we get.

\frac{4}{x} -\frac{1}{2}=0\\\\\frac{4}{x} = \frac{1}{2}\\\\x= 4\times 2\\x=8

Now the we can see the number is 8, when 1/2 is subtracted from 4 times the reciprocal of number means 4/8 which becomes 1/2 and hence when 1/2 is subtracted from 1/2 it equals to 0.

Hence the number is 8.

8 0
3 years ago
A window washer uses the proportional relationship y = kx to determine how long (y) it will take him to wash any number of windo
Kobotan [32]
C.

By plugging in the numbers into the equation, 8 = 250(k), we can determine that 8 ÷ 250 = 0.032.
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3 years ago
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