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Lady bird [3.3K]
3 years ago
10

For what value of k, -4 is a zero of polynomial x2-x-(2k+2)?

Mathematics
1 answer:
bekas [8.4K]3 years ago
5 0
Hmm
well, um
if -4 is  a zero then if we subsitute -4 for x, we should get 0

so
0=(-4)²-(-4)-(2k+2)
0=16+4-2k-2
0=18-2k
2k=18
divide by 2
k=9

k=9
the value k is 9
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hram777 [196]
B for question five bc u have to do length times width and you’ll get the area
7 0
3 years ago
How do i do this problem?
allochka39001 [22]
<span>The sum of the interior angles of any regular polygon is (n - 2) X 180
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3 0
3 years ago
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adell [148]

Answer:

C.6

Step-by-step explanation:

Remember, a constant term is a term that keeps repeating. Also, it's the only term that doesn't contain a variable. In this equation, 6 is the constant.

Hope I helped!!!

8 0
3 years ago
Glass bottles are worth 10 cents and aluminum cans are worth 5 cents. If Joe returns 12 glass bottles and 48 aluminum cans, how
dusya [7]

Answer: The answer is 3.60 dollars.

Step-by-step explanation:

1 bottle = 10 cents

12 bottles = 120 cents

100 cents = 1 dollar

1 cent = 1/100

120 = 1/100 * 120 = 1.2 dollars

now

1 aluminium can = 5 cents

48 cans = 5*48 = 240 cents

240 cents = 1/100 * 240 = 2.4 dollars

so total = (1.2+2.4) dollars

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5 0
3 years ago
The total amount of fiber (in grams) in a package containing x apples and y oranges is given by the equation 5x + 10y = 110. Is
Flauer [41]
The answer is NO
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So the answer is NO
3 0
3 years ago
Read 2 more answers
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