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aliya0001 [1]
3 years ago
13

The following factors are not prime: (x2- 7x)(7x+21).What remains to be factored? (can be more than one answer). A) Factor out t

he 7x from the product. B) Factor out an x from the first binomial. C) Factor out a 7 from the second binomial
Mathematics
2 answers:
topjm [15]3 years ago
5 0
C
The first binomial can have an x factored out, resulting in (x-7) and the second binomial can have a 7 factored out, resulting in (x+3)
devlian [24]3 years ago
4 0

B.) Factor out an x from the first binomial

C.) Factor out a 7 from the second binomial


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What is the value of x?
Yuliya22 [10]

Answer:

<h2>x = 3</h2>

Step-by-step explanation:

∠QRT and ∠SRT are supplementary angles,

therefore m∠QRT + m∠SRT = 180°.

(45x)° + m∠SRT = 180°            <em>subtract (45x)° from both sides</em>

m∠SRT = 180° - (45x)°

We know: the sum of the measures of the angles of the triangle is equal to 180 °. Therefore we have the equation:

(180 - 45x) + (57 + x) + 25x = 180         <em>combine like terms</em>

(-45x + x + 25x) + (180 + 57) = 180

-19x + 237 = 180             <em>subtract 237 from both sides</em>

-19x = -57             <em>divide both sides by (-19)</em>

x = 3

4 0
3 years ago
[[ ANSWER ASAP !!! ]] <br> In parallelogram ABCD, what is the measure of y°?
zhenek [66]

Answer:

<em>The </em><em>measure </em><em>of </em><em>y </em><em>is </em><em>6</em><em>5</em><em> </em>

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3 0
3 years ago
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Find a formula for the nth term
Airida [17]

Answer:

a_{n} = - 1.3n - 2.4

Step-by-step explanation:

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a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference, thus

a_{n} = - 3.7 - 1.3(n - 1) = - 3.7 - 1.3n + 1.3 = - 1.3n - 2.4

7 0
3 years ago
What is the answer to this problem
Elden [556K]
I think when you have a fraction like that, you multiply the denominator on both sides obviously by the first step

1 - 3x/5 = -7

Multiply on both sides
1 - 3x/5 * 5 = -7 * 5

and Solve
1 - 3x = -35

Subtract 1 from both sides of the equation
-3x = -36

Divide both sides by -3
-3x / -3 = -36 / -3 (← answer)
x = 12

Hope it helps
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3 years ago
A pizza costs $11 and $1.50 per topping.<br>What is the fixed cost?​
kozerog [31]

Answer:

7.33

Step-by-step explanation:

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