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Rainbow [258]
3 years ago
5

What is the answer for 9(2-u)

Mathematics
1 answer:
kondor19780726 [428]3 years ago
8 0
<span>9(2-u)
Use distributive property
Final Answer: 18 - 9u</span>
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How many different arrangements of 3 letters can be formed if the First letter must be W or K
Llana [10]
You would do 2 · 26 · 26 = 1,352 different arrangements 
8 0
2 years ago
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8. Hassan made a vegetable salad with 2 3/8 pounds
amm1812

let's convert firstly the mixed fractions to improper fractions and then add up.

\bf \stackrel{mixed}{2\frac{3}{8}}\implies \cfrac{2\cdot 8+3}{8}\implies \stackrel{improper}{\cfrac{19}{8}}~\hfill \stackrel{mixed}{1\frac{1}{4}}\implies \cfrac{1\cdot 4+1}{4}\implies \stackrel{improper}{\cfrac{5}{4}} \\\\\\ \stackrel{mixed}{2\frac{7}{8}}\implies \cfrac{2\cdot 8+7}{8}\implies \stackrel{improper}{\cfrac{23}{8}} \\\\[-0.35em] ~\dotfill

\bf \cfrac{19}{8}+\cfrac{5}{4}+\cfrac{23}{8}\implies \stackrel{\textit{using an LCD of 8}}{\implies \cfrac{(1)19+(2)5+(1)23}{8}}\implies \cfrac{19+10+23}{8} \\\\\\ \cfrac{52}{8}\implies \cfrac{13}{2}\implies 6\frac{1}{2}

5 0
3 years ago
If XYZ ~ EDF, the measure of angle F is _____ a0°.
hoa [83]

Answer:

63° (same as Z)

Step-by-step explanation:

The question indicates that ΔXYZ is similar to ΔEDF.

By definition, when we indicate that triangle XYZ is similar to the triangle EDF, the order of the letters is important and match the congruent angles.

So, ∠X = ∠E, ∠Y = ∠D and ∠Z = ∠F

It's hard to see because the angles are quite similar in opening (56°, 63° and 61°), and the drawing doesn't seems to be to scale.

But according to the naming convention: ∠Z = ∠F

Since ∠Z = 63°, ∠F = 63°

7 0
3 years ago
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If A=p+prt, than t equalls?
ella [17]

Answer:

\boxed{t=\frac{A-p}{pr}}

Step-by-step explanation:

A=p+prt

Subtract p on both sides.

A-p=p+prt-p

A-p=prt

Divide both sides by pr.

\displaystyle \frac{A-p}{pr} =\frac{prt}{pr}

\displaystyle{\frac{A-p}{pr} =t}

5 0
3 years ago
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Twelve different video games showing drug use were observed. The duration times of drug use were​ recorded, with the times​ (sec
Vlada [557]

Answer:

95% confidence level should be used for a confidence​ interval.

The given confidence interval contains the value of 85 ​sec, so there is not sufficient evidence to support the claim that the mean is greater than 85 sec.

Step-by-step explanation:

0.05 significance level

1 - 0.05 = 0.95

0.95*100% = 95%

This means that a 95% confidence level should be used for a confidence​ interval.

Confidence interval is found to be −1.8 sec<μ<213.5 ​sec, what should we conclude about the​ claim?

Contains the value of 85 sec, thus there is not sufficient evidence to support the claim that the mean is greater than 85 sec.

8 0
3 years ago
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