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Naddik [55]
3 years ago
15

PLEASE HELPPPPPP 35 POINTS ILL GIVE BRAINLYEST

Mathematics
2 answers:
Ket [755]3 years ago
8 0

Answer:

Step-by-step explanation:

there are 3 parts to the given shape.  The half circle, the box part in the middle and then the right triangle on the left side.  Add those 3 parts up for the total area

box part in the middle:  2*4 = 8

right triangle on the left: 1/2*4*8 = 16

half circle: 1/2*\pi*2^{2}= 6.2831...

add the 3 up

8+16+6.2831 = 30.2831

30.3 m^{2}  looks good  :)  for the answer ( it's a close approximation )

iVinArrow [24]3 years ago
3 0

Answer:

I think it's e) tom brady

Step-by-step explanation:

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Id 358 478 7777<br> ps 960020<br> zoom
pav-90 [236]

Step-by-step explanation:

Why do people do zoom on here

6 0
3 years ago
Read 2 more answers
Dec 4,
sasho [114]

Answer:

y = -0.8x - 5

Step-by-step explanation:

x1 = (XA + XB) / 2 = -5

y1 = (YA + YB) / 2 = -1

m = (XA - XB) / (YA - YB) = -0

__________________________________________

(y - -1) = -0.8(x - -5)

y - -1 = -0.8x - 4

y = -0.8x - 4 + -1

y = -0.8x - 5

8 0
3 years ago
Sixty percent of U.S. adults trust national newspapers to present the news fairly and accurately. You randomly select nine U.S.
Pavel [41]

Answer:

a) 0.251

b) 0.483

c) 0.0994

Step-by-step explanation:

We are given the following information:

We treat adult adults trusting national newspapers to present the news fairly and accurately as a success.

P(Adult trust) = 60% = 0.6

Then the number of adults follows a binomial distribution, where

P(X=x) = \binom{n}{x}.p^x.(1-p)^{n-x}

where n is the total number of observations, x is the number of success, p is the probability of success.

Now, we are given n = 9

a) exactly five

P(x = 15) = \binom{9}{5}(0.6)^{5}(1-0.6)^{9-5} = 0.2508 \approx 0.251

b) at least six

We have to evaluate

P(x \geq 6) = P(x = 6) + P(x = 7) + P(x=8) + P(x=9) \\= \binom{9}{6}(0.6)^6(1-0.6)^3 + \binom{9}{7}(0.6)^7(1-0.6)^2 + \binom{9}{8}(0.6)^8(1-0.6)^1 +\binom{9}{9}(0.6)^9(1-0.6)^0\\= 0.482609 \approx 0.483

c) less than four

We have to evaluate

P(x < 4) = P(x = 0) + P(x = 1) + P(x=2) + P(x=3) \\= \binom{9}{0}(0.6)^0(1-0.6)^9 + \binom{9}{1}(0.6)^1(1-0.6)^8 + \binom{9}{2}(0.6)^2(1-0.6)^7 +\binom{9}{3}(0.6)^3(1-0.6)^6\\= 0.099352 \approx 0.0994

3 0
3 years ago
26 is whats percent of 40?
faltersainse [42]
100%/x%=40/26
<span>(100/x)*x=(40/26)*x       - W</span>e multiply both sides of the equation by x
<span>100=1.53846153846*x       - W</span>e divide both sides of the equation by (1.53846153846) to get x
<span>100/1.53846153846=x </span>
<span>65=x </span>
x=65

<span>Now we have: </span>
<span>26 is 65% of 40

Good luck~ Sans</span>
5 0
3 years ago
Simplify <br> 2 3/10 + 3 2/10<br> a.) 5 1/4 <br> b.) 5 1/2 <br> c.) 6 5/8<br> d.) 4 2/3
tester [92]
<h3>Answer: b) 5 & 1/2</h3>

Work Shown:

Add the fractional portions

3/10 + 2/10 = (3+2)/10 = 5/10 = 1/2

To go from 5/10 to 1/2, you divide both parts by 5

The whole parts of the mixed numbers given add to 2+3 = 5

The whole parts add to 5, the fractional parts add to 1/2, giving us 5 & 1/2

5 0
4 years ago
Read 2 more answers
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