3 years ago

How many diagonals can be drawn in the shape below? 24 40 18 20 ?

Mathematics

2 answers:

Vikentia [17]3 years ago

8 0

No... I think it will be only 4 diagnols

Sidana [21]3 years ago

4 0

Answer: It’s 20

Step-by-step explanation:

Plz mark me brainliest

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A frozen food company uses a machine that packages okra in six ounce portions. A sample of 54 packages of okra has a variance of

DIA [1.3K]

Answer: Interval would be (0.29,0.58).

Step-by-step explanation:

Since we have given

n = Sample size = 54

Variance = 0.44

we need to find 98% confidence interval to estimate the variance.

So, we will use "Chi square distribution"

For this , we will find

df = n-1=54-1=53

Interval would be

$\dfrac{(n-1)s^2}{\chi^2_{\frac{\alpha }{2}}}$

$\alpha =1-0.98=0.02\\\\\dfrac{\alpha }{2}=\dfrac{0.02}{2}=0.01\\\\So, \chi^2_{0.01,53}=79.84$

similarly,

$1-\dfrac{\alpha}{2}=1-0.01=0.99\\\\ \chi^2_{1-\frac{\alpha }{2},df}=\chi^2_{0.99,53}=40.308$

So, it becomes,

$\dfrac{53\times 0.44}{79.84}$

Hence, interval would be (0.29,0.58).

8 0

4 years ago

A telephone company charges a customer $0.20 per minute to make a call. What will be the cost for a call lasting 23 minutes?

diamong [38]

Answer:

$4.60

Step-by-step explanation:

.20 x 23 = 4.6

5 0

3 years ago

Plz help me! ASAP! Thanks!

Oksana_A [137]

First, we add 25w on both sides to give us a positive expression for w:
$600 \geqslant 200 + 25w$
Next, minus 200 from both sides to isolate the expression for w:
$400 \geqslant 25w$
Now we divide by 25 on both sides to obtain the inequality for w:
$16 \geqslant w$
So
$w \leqslant 16$

6 0

3 years ago

What is the distance you are standing from the base of the tree?

alex41 [277]

Answer:

c = 12.5903 as it is more accurate

Step-by-step explanation:

tan65 = 27/d , value of tan65 is 2.1445

2.1445 = 27/d

d = 27/2.1445

d = 12.5903

so answer would be c as it is more accurate than others.

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3 years ago

Riley counted the number of balls on one layer of a box, 34. The box has 8 layers. How many balls can the box hold?

DedPeter [7]

Answer:

8 times 34= 272

Step-by-step explanation:

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3 years ago