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AlexFokin [52]
2 years ago
9

H(x) = (x2 − 49)(x + 4)

Mathematics
1 answer:
Maru [420]2 years ago
8 0

Answer:

h(x) = x³ + 4x² - 49x - 196

Step-by-step explanation:

h(x) = (x² - 49)(x + 4) <== distribute

h(x) = x²(x) - 49(x) + x²(4) - 49(4)

h(x) = x³ - 49x + 4x² - 196 <== rewrite in standard form (descending degrees)

h(x) = x³ + 4x² - 49x - 196

Hope this helps!

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13x-7+7x-13=180 whats the answer?
Marianna [84]

Answer:

x=10

Step-by-step explanation:

13x-7+7x-13=180

Combine like terms

20x-20 = 180

Add 20 to each side

20x -20+20 = 180+20

20x=200

Divide by 20

20x/20 = 200/20

x = 10

8 0
3 years ago
Read 2 more answers
The prices for different types and amounts of building bricks are given. Select the options that have the same cost per brick.
pickupchik [31]

Answer:

35 bricks for $25.90

35 bricks for $25.90

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Step-by-step explanation:

Cost per brick = number of bricks / price of bricks

1500/$1110 = $1.35

1300 / $845 = $1.54

230 / $170.20 = $1.35

100 / $75 = $1.33

35 / $25.90 = $1.35

Based on these calculations, the bricks that have the same cost per brick are :

35 bricks for $25.90

35 bricks for $25.90

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7 0
2 years ago
The circumference of circle a is 3 times greater than the circumference of circle
Liono4ka [1.6K]
We know, Circumference of a Circle = 2πr

In mathematical form, You can write it as:
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2π(12) = 6πr₂

24π = 6πr₂

r₂ = 4 m

In short, Your Answer would be: 4 meter

Hope this helps!
4 0
3 years ago
For one Geometry test, Nancy correctly answered 18 questions. These correct answers gave her a percent score of 72%. In total, h
Brrunno [24]

Answer:

25 questions.

Step-by-step explanation:

Correct answer = 18

The percent score of the correct answers is 72%.

Let there are x questions in the test. So,

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Hence, there were 25 questions in the geometry test.

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3 years ago
In the definition of fractional numbers, b ≠ 0. Why?
Nataliya [291]
I have no idea. Just commenting to get the answer when someone else knows it
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