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never [62]
3 years ago
15

Consider the polynomial 8x^3+2x^2-20x-5 factor

Mathematics
1 answer:
pantera1 [17]3 years ago
4 0

Answer:

(4x + 1)(2x² - 5)

Step-by-step explanation:

Given

8x³ + 2x² - 20x - 5 ( factor the first/second and third/fourth terms )

= 2x²(4x + 1) - 5(4x + 1) ← factor out (4x + 1) from each term

= (4x + 1)(2x² - 5)

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What is x – 8.1 = 5.3
Artemon [7]
Add 8.1 to both sides to find x!
hope this helps :-)

6 0
3 years ago
Read 2 more answers
In a shop, the original price of a coat is £50.22
iragen [17]

Answer:

A. 40.18

B. 42.80

Step-by-step explanation:

A. To find the discount price of an item multiply the price by the percentage you pay. Its discounted 20% meaning you pay 80%. Then the price of the coat is 0.8(50.22) = 40.18.

B. The sale price of a shirt is 25.68. The original price as reduced by 3/5. The original price is equal to 25.68 = 3/5x. Solve for x by multiplying by the reciprocal. 25.68 ( 5/3) = x. 42.8 = x.

4 0
3 years ago
What is the answer???
andrew-mc [135]

Answer:

D

Step-by-step explanation:

D is the anaswer becasue it splits angle C in half?

8 0
3 years ago
Combine like terms to create an equivalent expression -3.6-1.9t+1.2+5.1t
uranmaximum [27]

Answer:

3.2t-2.4

Step-by-step explanation:

The polynomial given for simplification is:

-3.6-1.9t+1.2+5.1t

Now, we combine like terms using the commutative property of addition.

The commutative property of addition states that:

a+b=b+a

So, the order can be shuffled when we add terms.

The terms containing 't' are grouped together and the constant terms are grouped together. This gives,

-1.9t+5.1t+1.2-3.6

Now, we group them using associative property and converse of distributive property as:

(-1.9+5.1)t+(1.2-3.6)

Simplifying the above expression, we get:

(-1.9+5.1)t+(1.2-3.6)\\3.2t-2.4

Therefore, the simplified form is 3.2t-2.4

6 0
4 years ago
The hypotenuse of a right triangle is 89 meters long. One leg of the triangle is 39 meters long. What is the length of the other
Hitman42 [59]
A²+b²=c²
39²+b²=89²
1521+b²=7921
subtract 1521 from both sides
b²=6400
so then you square both sides
√6400
80
4 0
4 years ago
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