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Papessa [141]
3 years ago
9

Please answer! I give brainliest when I can! It make my day :-) ASAP :-(

Mathematics
1 answer:
hjlf3 years ago
7 0

Answer:

A=1/2h(7+11) or A=1/2h(77)

The area is dependent on the height and the height changes based on the length of both of the bases

Step-by-step explanation:

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A unit cubes measures a distance of one on each side. The cube are then counted in a way to allow calculation of the volume visually.
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4 years ago
Someone please help me will give BRAILIEST!!!!
diamong [38]
Choice D X intercept = Y intercept
6 0
3 years ago
A USA Today/CNN/Gallup survey of 369 working parents found 200 who said they spend too little time with their children because o
KengaRu [80]

Answer: a. 0.542

b. 0.051

c. (0.491,\ 0.593)

Step-by-step explanation:

Let p be the population proportion of parents spend too little time with their children because of work commitments

As per given , we have

n= 369

\hat{p}=\dfrac{200}{369}=0.542005420054\approx0.542

Since the sample proportion is the best estimate for the population proportion.

So , the point estimate of the proportion of the population of working parents who feel they spend too little time with their children because of work commitments = 0.542

z-value for 95% confidence interval : z_{\alpha/2}=1.96

Margin of error : E=z_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

E=(1.96)\sqrt{\dfrac{0.542(1-0.542)}{369}}\\\\=0.0508364564574\approx0.051

The margin of error = 0.051

Confidence interval : \hat{p}\pm E

0.542\pm0.051\\\\=(0.542-0.051,\ 0.542+0.051)\\\\=(0.491,\ 0.593)

95% confidence interval estimate of the population proportion of working parents who feel they spend too little time with their children because of work commitments : (0.491,\ 0.593)

6 0
4 years ago
PLEASE HELP 25 POINTS
e-lub [12.9K]

Answer:Point X= 1600m, Point Z= 2050m

Step-by-step explanation:

8 0
3 years ago
$1675 at 4.6% for 4 years
zzz [600]
$1675 at 4.6% for 4 years
<span>Interst of P = $1675 at R = 4.6% for T = 4 years = P x R x T = $1675 x 4.6% x 4 = $308.20
</span>
Hope this helps:D

5 0
3 years ago
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