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Blababa [14]
2 years ago
10

Which phrase represents' the sum of 11 and a number

Mathematics
1 answer:
denis23 [38]2 years ago
5 0

Answer:

11 + n

Step-by-step explanation:

sum means addition, so u need a + sign

n is usually the variable used for 'a number'

so 11 and (+) a number (n) = 11+ n

hope this helps!

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Find the equation of the parabola that has zeros of x = –1 and x = 3 and a y-intercept of (0,–9). Question 1 options: A) y = 3x2
andrey2020 [161]

Answer:

A

Step-by-step explanation:

Given the zeros are x = - 1 and x = 3 then the factors are

(x + 1) and (x - 3) and the parabola is the product of the factors, that is

y = a(x + 1)(x - 3) ← where a is a multiplier

To find a substitute (0, - 9) into the equation

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3 = a, thus

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  = 3(x² - 2x - 3) ← distribute by 3

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3 years ago
(A) Husbands tend to have wives whose age is 85% of their own.
shusha [124]

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I took the test!

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