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kirill115 [55]
3 years ago
14

A/5=b/7 if b#0 what is the value of a/b​

Mathematics
1 answer:
ivann1987 [24]3 years ago
7 0

Answer:

A = 20

b = 28

Step-by-step explanation:

a = 20/5 = 4

b = 28/7 = 4

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What is the vertex of f(x)=(x-8)(x-2)
igor_vitrenko [27]

Hello!

To find the vertex of f(x), we can simplify this function into standard form.

f(x) = (x - 8)(x - 2)

f(x) = x² + -10x + 16

With the equation in standard form, we use the formula: x = -b/2a. Then, we substitute the value of x into the equation to solve for the y-value.

x = -(-10) / 2(1)

x = 10 / 2

x = 5

Then, we substitute x = 5 into the original equation.

f(x) = (5 - 8)(5 - 2)

f(x) = -3(3)

f(x) = -9

Therefore, the vertex of f(x) is (5, -9).

5 0
3 years ago
PLEASE HELP ASAP!!(SHOW ALL STEPS)<br><br> Determine the factors<br> x2y + 3x2 + 3y + 9
krok68 [10]

Answer:

(y+3) (x^2+3)

Step-by-step explanation:

x^2y + 3x^2 + 3y + 9

I will factor by grouping

Taking the first two terms I can factor out x^2

Taking the last two terms I can factor out 3

x^2y + 3x^2     + 3y + 9

x^2(y+3)           + 3(y+3)

Now I can factor out (y+3)

(y+3) (x^2+3)

Since(x^2+3) and (y+3) cannot be factored , this is completely factored

8 0
3 years ago
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Someone help please will give brainliest
aleksley [76]
Answer: Ithink it’s 3, 5, 9
7 0
3 years ago
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Lopez spent 1/3 of his vacation money for travel in 2/5 of his vacation money for lodging.He spent $1,100 for travel and lodging
ANEK [815]
The answer is $2,062.50
$1,100=1/3 + 1/5 of his money
therefore 1,100 = 5/15 + 3/15 = 8/15
I want to know what 15/15 is equal to
therefore I must first determine 1/15
1,100/8 = 137 1/2 = 1/15
The entire sum of money is 15/15 so it is 137 1/2 * 15 = $2,062.50
7 0
3 years ago
Is -6.8 a rational number
drek231 [11]

Yes, -6.8 is a rational number because we can express it as a fraction.

All integers are rational, but rational numbers are not integers.

Integers are positive, negative numbers and zero.

Hope it helps!

Good luck! :)

GraceRosalia

6 0
2 years ago
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