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3 years ago

Find the surface area of the net below.

Mathematics

1 answer:

Hatshy [7]3 years ago

5 0

Answer:

okay so first to find the surface area of the net below you should always start from the line that is pointing at the end of the the i n u m so you see that is between 8 1/8 and 2 so you see the line you draw a line in the middle between 8 and then when you look and then you draw another line were 19 years and then you draw another line so you can see that at the top of 19 and there at the bottom of 918 you see that you can find the Nets below because you can see me you draw your line it shows you Drawing the Line because when you draw a circle in the middle and then you draw a another little circle in the middle is shows the surface area of the net below so bye

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A pizza place recently hired additional drivers and as a result now claims that its average delivery time for orders is under 44

Burka [1]

Answer:

Yes, this sample provide enough evidence to support the delivery time claim made by the pizza place.

Step-by-step explanation:

We are given that a pizza place recently hired additional drivers and as a result now claims that its average delivery time for orders is under 44 minutes.

A sample of 39 customer deliveries was examined, and the average delivery time was found to be 40.5 minutes. Historically, the standard deviation for delivery time is 11.3 minutes.

From this, X bar = 40.5 , $\sigma$ = 11.3 , $\mu$ = 44 and sample, n = 39

Null Hypothesis, $H_0$ : $\mu$ >= 44

Alternate Hypothesis, $H_1$ : $\mu$ < 44

The test statistics used here will be;

T.S. = $\frac{Xbar-\mu}{\frac{\sigma}{\sqrt{n} } }$ ~ N(0,1)

So, Test statistics = $\frac{40.5-44}{\frac{11.3}{\sqrt{39} } }$ = -1.93

Now, at 5% significance level the z score table gives critical value of -1.6449 as it is one-tail test.

<em>Since our test statistics is less than the critical value as -1.93 < -1.6449, so we have sufficient evidence to reject null hypothesis and conclude that the average delivery time for orders is under 44 minutes.</em>

7 0

4 years ago

Hurry please!

chubhunter [2.5K]

Answer:

The slope of the given line and a line parallel to it is

Explanation:

Given:

−

is the standard form of a linear equation.

A line parallel to this line has the same slope. To determine the slope, solve for

to change the equation to slope-intercept form:

where:

is the slope and

is the y-intercept.

−

Subtract

from both sides.

−

Divide both sides by

−

Simplify.

−

The slope of the given line and a line parallel to it is

7 0

2 years ago

Name: cuiusly thens

dlinn [17]

BTW,
KEY:
• exponents are going to be written as “^(x)”.
• if I put “huh” or “nope” or “what” (etc.) that means I don’t know how to solve it.

1. 49a
2.-15x^(2)+2y^(2)
3.-23a+2b+6
4. 0
5.-9c+3d
6. 4a+14b+c
7.-6a+2b+62
8.-3x+8
9. 16x^(2)-y+x+z
10.-6x
11.-8xy+2
12.-15a+3b
13. nah bruh
14. nope
15. 1.5a
16. -10a-2205
17. -4cd+55
18.-4x+2y+3
19. -67,209
20. huh?
21. what??
22. 18a+4b
23. 8y+3x+6
24.-2x+2y+6r+2
25. 4a^(2)+2a+2b+3

7 0

3 years ago

An isosceles triangle has congruent sides of 20 cm. The base is 10 cm. What is the

Alex_Xolod [135]

Answer:

100 cm

Step-by-step explanation:

The formula to answer this question is base x height divided by 2. All you have to do is substitute: 10x20= 200 divided by 2 is 100.

8 0

3 years ago

Which equation shows that the Pythagorean identity is true for theta = 2pi? Select

Andreyy89

Answer:

I just took the quiz

Step-by-step explanation:

0^2 + 1^2 = 1

Also known as C.

7 0

3 years ago