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Helga [31]
3 years ago
8

Which of the following is a solution of x2 - 7x = -5?

Mathematics
1 answer:
svetlana [45]3 years ago
6 0
I hope this helps you

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The city park is 9 and 2/5 km from Roland Public School. The city library is 3 and 3/10 km from the same school. How much farthe
Marina86 [1]

Answer:

6 1/10

Step-by-step explanation:

Convert the mixed numbers into improper fractions (denominator × whole number + numerator / denominator):

9 2/5 = 47/5

3 3/10 = 33/10

Convert improper fractions to have the same denominator:

47/5 × 2/2 = 94/10

Find the difference by subtracting the numerators:

94/10 - 33/10 = 61/10

Convert the answer into a mixed number:

61/10 = 6 1/10

8 0
3 years ago
2/3=(x+7)/3x
Goryan [66]

Answer:

x = 7

Step-by-step explanation:

I reversed it for easy viewing:

(x+7)/3x = 2/3

<=> (x + 7).3 = 2.(3x)

<=> 3x + 21 = 6x

<=> 21 = 6x - 3x

<=> 3x = 21

<=> x = 7

5 0
3 years ago
Read 2 more answers
3x + 7x + 1 = 2 (5x +1)
AnnyKZ [126]
No values of X would answer this problem.
10x+1=10x+2
-10x -10x
3 = 0
6 0
3 years ago
Read 2 more answers
What is 225 percent as a decimal or fraction in simpilist form
serg [7]
225/100

225 ÷ 25 = 9
100 ÷ 25 = 4

So, 225% as a fraction in it's simplest form would be 9/4

If you want 225% as a decimal:

225/100
225 ÷ 100 = 2.25

So, 225% as a decimal in its simplest form would be 2.25


I really hope this helped you! c:
6 0
3 years ago
A bag has 2 yellow, 7 red, and 1 green marble. What is the probability of picking a yellow marble, replacing it, and then pickin
s2008m [1.1K]
2 yellow marbles, 7 red marbles, 1 green marble.....total of 10 marbles

probability of first picking a yellow marble : 2/10 reduces to 1/5
replacing the marble
probability of picking another yellow marble : 2/10 reduces to 1/5

probability of both is : 1/5 * 1/5 = 1/25 <==
3 0
3 years ago
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