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Shalnov [3]
3 years ago
12

What are the coefficients in the polynomial 5x^2 + 2x - 4?

Mathematics
2 answers:
stiv31 [10]3 years ago
8 0

Answer:

I think the answer is A

Step-by-step explanation:

Sphinxa [80]3 years ago
6 0
A) 5, 2
Because a coefficient is the number in front of the variable, and the variable is x.

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This is really confusing. Thanks for helping.
Mandarinka [93]
Count change of signs to tell positive roots
then replace x with -x and evaluate, then count change in sign for negative roots


initially
+, -, -, +, +, -
3 changes
3 or 1 positive roots


replacing x with -x
-,-,+,+,-,-
2 changes
2 or 0 negative roots



B is answer
5 0
3 years ago
A support cable runs from the top of the telephone pole to a point on the ground 40 feet from its base. If the cable makes an an
kirill [66]
Okay, so this is just a bunch of random information that's eying to trick you. The answer is in the question. "the telephone pole to a point on the ground 40 feet from its base."
8 0
3 years ago
Use the expression 5(6 + 4x) to answer the following:
marissa [1.9K]
The answer is a the answer is a
3 0
3 years ago
Tanzila is selling tickets to the MS127 musical. On the first day of ticket sales she sold 2 adults tickets and 10 child tickets
vekshin1

Answer:

One adult ticket is $4 and one child ticket is $7

Step-by-step explanation:

Make a system of equations

2x + 10y = 78

8x + 5y = 67

Solve by elimination, multiply the 2nd equation by -2

2x +10y = 78

-16x -10y = -134

Add the equations

-14x = -56

x = 4

The price of one adult ticket is $4

Plug 4 in as x to find y

2(4) + 10y = 78

8 + 10y = 78

10y = 70

y = 7

The price of one child ticket is $7

4 0
3 years ago
Find the area of this kite.<br> 3 m<br> 5 m<br> 6 m<br> 5 m
miv72 [106K]
The area of the kite in the picture is 5m
3 0
2 years ago
Read 2 more answers
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