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3 years ago

12

What is 3 x 3 1/4 x 3 3/4

1 answer:

likoan [24]3 years ago

4 0

Answer:36.5625

Step-by-step explanation:

Hope this helped!

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Which set or sets does the number 15 belong to

8_murik_8 [283]

Rational,whole,integer,real

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3 years ago

Read 2 more answers

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

2 years ago

-12(-j)(-3k) what’s the answer

trapecia [35]

The answer is: -36jk

4 0

3 years ago

Which expression is equivalent to -3(4x-0.50)?<br> PLEASEEEEEEEEEEEEE HELPPP

Misha Larkins [42]

Final Answer: $-12x + 1.5$

Steps/Reasons/Explanation:

Question: Which expression is equivalent to $-3(4x - 0.50)?$

<u>Step 1</u>: Expand by distributing terms.

$-3$ × $4x - 3$ × $-0.50$

<u>Step 2</u>: Simplify $-3$ × $4x$ to $-12x$ .

$-12x - 3$ × $-0.50$

<u>Step 3</u>: Simplify $3$ × $-0.50$ to $-1.5$ .

$-12x - (-1.5)$

<u>Step 4</u>: Remove parentheses and add.

$-12x + 1.5$

~I hope I helped you :)~

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3 years ago

Which is a true statement about an isosceles right triangle?

AnnyKZ [126]

Let $l$ be the length of a leg. Using the pythagorean theorem, the hypotenuse is

$h = \sqrt{l^2+l^2}=\sqrt{2l^2}=l\sqrt{2}$

So, the hypotenuse is $\sqrt{2}$ times as long as either leg.

6 0

3 years ago