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2 years ago

What is 2x8 and why is this app making me do this?

Mathematics

1 answer:

AysviL [449]2 years ago

6 0

Answer:

Step-by-step explanation:

i have no idea

well

8 * 2 = 16 just as

4 * 4 = 16

hope this helps:)

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To save money, a local charity organization wants to target its mailing requests for donations to individuals who are most suppo

mars1129 [50]

Answer:

The 80% confidence interval for difference between two means is (0.85, 1.55).

Step-by-step explanation:

The (1 - <em>α</em>) % confidence interval for difference between two means is:

$CI=(\bar x_{1}-\bar x_{2})\pm t_{\alpha/2,(n_{1}+n_{2}-2)}\times SE_{\bar x_{1}-\bar x_{2}}$

Given:

$\bar x_{1}=M_{1}=6.1\\\bar x_{2}=M_{2}=4.9\\SE_{\bar x_{1}-\bar x_{2}}=0.25$

Confidence level = 80%

$t_{\alpha/2, (n_{1}+n_{2}-2)}=t_{0.20/2, (5+5-2)}=t_{0.10,8}=1.397$

*Use a <em>t</em>-table for the critical value.

Compute the 80% confidence interval for difference between two means as follows:

$CI=(6.1-4.9)\pm 1.397\times 0.25\\=1.2\pm 0.34925\\=(0.85075, 1.54925)\\\approx(0.85, 1.55)$

Thus, the 80% confidence interval for difference between two means is (0.85, 1.55).

3 0

3 years ago

Mr yates owns a smoothie shop. To mix a batch of his famous orange punch smoothies, he uses 18 ounces of freshly squeezed orange

HACTEHA [7]

Answer:

31 batches

Step-by-step explanation:

Find how many batches of orange punch smoothies he can make by dividing 560 by 18:

560/18

= 31.11

Since we can only have a whole number answer, round down.

So, he can make 31 batches of orange punch smoothies.

4 0

3 years ago

If AP 10 - 12. what is the perimeter of quadrilateral TAEO (a) 56 (b)64 (c)72 (d)76

BlackZzzverrR [31]

Husofjwiebd9ks ueijddlonf durnkofbjus yuebejuiiiiiiiiijjd dijdjdjdnsjduwjwuwhw

4 0

3 years ago

James has just sold his motorbike for £1,890. He bought the motorbike for £2,700. What fraction of the original cost did he sell

valentina_108 [34]

1890/2700=7/10
7/10 is the answer

3 0

3 years ago

Read 2 more answers

31. A business rents cars for $150 a day and vans for $300 a day. One day it rented a total of 30 vehicles and

Advocard [28]

Answer:

D. 22 Cars and 8 Vans

Step-by-step explanation:

1. You multiply 22 x 150 = 3,300.

2. Then you multiply 300 x 8 = 2,400.

3. Next, add 3,300 + 2,400

4. That equals 5700.

Hopefully, that helps!

7 0

3 years ago