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Komok [63]
3 years ago
10

What is the value of b2 - 4ac for the following equation? 5x2 + 7x = 6 9 81 169

Mathematics
2 answers:
creativ13 [48]3 years ago
7 0

The answer is 169. ;)

erastova [34]3 years ago
5 0
A=5,b=7,c=-6
{7}^{2}  - 4(5)( - 6) = 169
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Select the correct answer.
arlik [135]

Option B is correct

Why

3x=21

3(7) =21

21=21

Step-by-step explanation:

6 0
2 years ago
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Divide using a common factor of 6 to find an equivalent fraction for
Savatey [412]

5: six twelfths is one half

6: eight tenths is four fifths

7: four eighths is one half

8: ten tenths is two halves

9: two sixths is one third

10: one quarter, because you divide the top and bottom number by 3

method:

take the first one - four eighths, which is 4/8

the question gives you what to divide them by, 4, so u divide both the top number and bottom number to get 1/2, which is one half :)

7 0
3 years ago
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Urgent help pleaseeeeeee
Helga [31]

Answer:

2x - 10 = 10 - 3x

Simplifying

2x + -10 = 10 + -3x

Reorder the terms:

-10 + 2x = 10 + -3x

Solving

-10 + 2x = 10 + -3x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '3x' to each side of the equation.

-10 + 2x + 3x = 10 + -3x + 3x

Combine like terms: 2x + 3x = 5x

-10 + 5x = 10 + -3x + 3x

Combine like terms: -3x + 3x = 0

-10 + 5x = 10 + 0

-10 + 5x = 10

Add '10' to each side of the equation.

-10 + 10 + 5x = 10 + 10

Combine like terms: -10 + 10 = 0

0 + 5x = 10 + 10

5x = 10 + 10

Combine like terms: 10 + 10 = 20

5x = 20

Divide each side by '5'.

x = 4

Simplifying

x = 4

3 0
2 years ago
Read 2 more answers
2 over 5 blank over 10  which is 0.4<br> in decimal form.
Tomtit [17]
2/5 = ?/10 = 0.4
2*(2/5) = (2*2)/(2*5) = 4/10
? = 4
8 0
3 years ago
Which statement is true?
Alexandra [31]
Since p^2=p*p,
(p*p)^5 = p*p * p*p * p*p * p*p * p*p = p^10
6 0
3 years ago
Read 2 more answers
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