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olganol [36]
3 years ago
10

I need help, because I am stu-pid

Mathematics
2 answers:
Alborosie3 years ago
5 0

Answer:

The answer is 171

Step-by-step explanation:

You do the math in the parentheses first, then the sum to the power of two, then multiply by 4, and then subtract by 5^2.

4×(2+5)^2-5^2

4×(7^2)-5^2

4×(49)-5^2

4×49-5^2

196-5^2

196-25=

171

Vera_Pavlovna [14]3 years ago
3 0

Answer:

B. 171

Step-by-step explanation:

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A line passes through the points (-4,n) and (2,4n) and has the slope of 6. What’s the value of n?
Wittaler [7]

Not sure about this one sorry bud

4 0
3 years ago
Which graph represents f(x)=6cos(4πx) ?
lesya692 [45]

Answer:

The graph representing f(x)=6cos(4πx) is shown in the attached file.

Step-by-step explanation:

The graph representing f(x)=6cos(4πx) is shown in the attached file.

6 0
3 years ago
Simplify the polynomial by combining like terms. 3.63x2 - 4.54x + 7.96x2 +9.85 -3.12x​
Brums [2.3K]

Answer:

11.59x² -7.66x + 9.85

Step-by-step explanation:

3.63x² - 4.54x + 7.96x² +9.85 -3.12x​

11.59x² -7.66x + 9.85

7 0
3 years ago
Read 2 more answers
Plsss answer
disa [49]

Answer:

59/9

Step-by-step explanation:

d=100. 12/4=3 min/lap

12mins 4 laps. 100/180= 59/9

R=50

2(pie)(50)=100(pie)

6 0
3 years ago
Read 2 more answers
58​% of U.S. adults have very little confidence in newspapers. You randomly select 10 U.S. adults. Find the probability that the
geniusboy [140]

Answer:

.216165788

.582225057

.417774943

Step-by-step explanation:

We need to use a binomial distribution here

A.

10C5*.58⁵*(1-.58)⁵= .216165788

B.

I honestly think the fastest way to solve this is adding the probabiblity of exactly 6,7,8,9,10

which means we write

10C6*.58⁶*(1-.58)⁴+10C7*.58⁷*(1-.58)³+10C8*.58⁸*(1-.58)²+10C9*.58⁹*(1-.58)+10C10*.58¹⁰= .582225057

C.

To solve this just take the compliment of answer B

1-.582225057= .417774943

7 0
3 years ago
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