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krek1111 [17]
3 years ago
10

6th-grade math I NEED THIS DONE URGENTLY

Mathematics
2 answers:
Leokris [45]3 years ago
4 0

Answer:

31.4 in

Step-by-step explanation:

1st half is 10 in. Multiply that by 3.14 (pi)

31.4

Mice21 [21]3 years ago
3 0

Answer:

62.83

Step-by-step explanation:

Is it 10? as the radius, all you do is 2 pie r

can't find the symbol for pie but 2pie x 10

put the 2 next to the pie symbol btw and you should get 62.83185 blah blah but round that to the nearest tenth and   62.83

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Write two numbers that multiply to the value on top and add to the value on bottom.
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8 0
2 years ago
Tell whether −2 is a solution of the inequality. 8−2x<12
kolbaska11 [484]

Answer:

No

Step-by-step explanation:

8−2x<12

Subtract 2 from each side

8-8−2x<12-8

-2x <4

Divide each side by -2, remembering to flip the inequality

-2x/-2 >4/-2

x > -2

Is -2 a solution

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This is false, it is equal

5 0
3 years ago
Which expression is equivalent to (2x*+6)(x-2)?
choli [55]

Answer:

(2x*+6)(x-2)

2x(x-2)+6(x-2)

2xx+2x(-2)+6x +6(-2)

we know ;

(-). (-) = +

(-). (+) = -

(+). (-) = -

(+). (+) = +

2xx-2x(2)+6x -6(2)

2x^2  - 4x + 6x  -12

2x^2  - 2x  -12

Step-by-step explanation:

6 0
3 years ago
A publisher reports that 30% of their readers own a particular make of car. A marketing executive wants to test the claim that t
IgorLugansk [536]

Answer:

we will fail to reject the null hypothesis and conclude that there's insufficient evidence to support the claim that the percentage is actually more than the reported percentage

Step-by-step explanation:

We are given;

Population proportion; p = 30% = 0.3

Sample proportion; p^ = 37% = 0.37

Sample size; n = 100

Let's define the hypotheses;

Null hypothesis; H0: p ≤ 0.3

Alternative hypothesis; Ha: p > 0.3

Formula for the test statistic is;

z = (p^ - p)/√(p(1 - p)/n)

Thus;

z = (0.37 - 0.3)/√(0.3(1 - 0.3)/100)

z = 0.07/0.04582575695

z = 1.53

From z-distribution table, at z=1.53 we have;

p-value = 1 - 0.9370 = 0.063

This p-value is greater than the significance level of 0.02 and thus we will fail to reject the null hypothesis and conclude that there's insufficient evidence to support the claim that the percentage is actually more than the reported percentage

5 0
3 years ago
What life skills are rarely taught but extremely useful?
vodomira [7]
I would honestly say how to fill out checks, how to buy houses, etc. i feel like the american school system doesn’t teach so many helpful things. i can make a longer list of you’d like

hope this helps! please mark brainliest!:)
3 0
3 years ago
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