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Fed [463]
3 years ago
10

Choose the expression that shows P(x)=x^3 + 5^2 + 11x + 10 as a product of two factors.

Mathematics
1 answer:
KatRina [158]3 years ago
6 0

Answer:

The correct answer is D

Step-by-step explanation:

You can find the correct answer just by looking at what the first term would end up being.

The first three, if you expanded them, would all have the starting term 2x³, which does not match the result unless the two is factored out.  Only the last one would end up with the correct x³ as its first term.

Let's expand it to see if we're right:

(x + 2)(x² + 3x + 5)

= x³ + 3x² + 5x + 2x² + 6x + 10

= x³ + 3x² + 11x + 10

And that's a match, so the correct answer is D

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Venus and Serena measured a tennis court and found that it was 42ft longer than it was wide and had a perimeter of 228ft. What w
mr_godi [17]

Answer:

length = 78 feet

width = 36 feet

Step-by-step explanation:

Using one variable and an expression, you can set up an equation equal to the perimeter to find the measure of each side:

width = 'w'

length = '42ft longer than it was wide' = w + 42

The general formula for the perimeter of a rectangle:

P = 2w + 2l

Plugging in the given values and variables:

228 = 2w + 2(w + 42)

Distribute: 228 = 2w + 2w + 84

Combine like terms:  144 = 4w

Divide and solve:  36 = w

w = 36 ft

l = 36 + 42 = 78 ft

8 0
3 years ago
Which expression is NOT equivalent to 2.89 × 0.6?
Rashid [163]

Answer:

(289x6)x(110x110)

Step-by-step explanation:

8 0
3 years ago
If 32x+1 = 3x+5, what is the value of x?<br>2<br>3<br>4<br>6​
elena-14-01-66 [18.8K]

Answer:4

Step-by-step explanation:

4 0
3 years ago
9(-6X-2) -7 (-10X-2)
Maksim231197 [3]
9(-6x-2)-7(-10x-2)
Simplify, by distributing the 9 and the -7
-54x-18+70x+14
Combine like terms
16x-4 is the simplified expression

Hope this helped!
3 0
3 years ago
Solve x+2&lt;-4 or -5x&lt;-15
andreev551 [17]
X + 2 < -4
x < -4 -2

•x < -6
4 0
3 years ago
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