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zhuklara [117]
3 years ago
11

What algebraic expression represents "The sum of a number and 9"?

Mathematics
1 answer:
a_sh-v [17]3 years ago
7 0

Answer:

N + 9

Step-by-step explanation:

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Please answer correctly !!!!!! Will mark brainliest !!!!!!!!!!!!!
romanna [79]

Answer:

x = - 9, x = 10

Step-by-step explanation:

Given

x² - x - 90 = 0

Consider the factors of the constant term (- 90) which sum to give the coefficient of the x- term (- 1)

The factors are - 10 and + 9, since

- 10 × 9 = - 90 and - 10 + 9 = - 1 , thus

(x - 10)(x + 9) = 0 ← in factored form

Equate each factor to zero and solve for x

x - 10 = 0 ⇒ x = 10

x + 9 = 0 ⇒ x = - 9

lesser x = - 9

greater x = 10

5 0
3 years ago
What is the simplified value of the exponential expression 16^1\4
Natalka [10]

If you observe that 16 = 2^4, you can rewrite the expression as

16^{\frac{1}{4}} = (2^4)^{\frac{1}{4}}

Now, if you use the exponent rule (a^b)^c = a^{bc}, you may rewrite the expression again:

(2^4)^{\frac{1}{4}} = 2^{4\cdot\frac{1}{4}} = 2^1 = 2

6 0
3 years ago
How many cubic feet are equivalent to 1 cubic yard?explain?
motikmotik
(1 yard )3<span> = 1</span>3<span> yard*yard*yard</span><span> = 1 yard*yard*yard</span><span> = 1 cubic yard . Since 1 yard = </span>3 feet, we have.
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8 0
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If you are selling bag of candy would you want ti sell the candy in ounces or pounds? Explain.
7nadin3 [17]
You would want to sell the bag of candy in ounces, unless you have way too much candy.
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Read 2 more answers
What is 20 degres equal to
a_sh-v [17]

Answer:

68 farinheit

Step-by-step explanation:

5 0
4 years ago
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