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BaLLatris [955]
3 years ago
15

Nicholas has $50 to use while he is on a vacation. He decides to spend $5

Mathematics
1 answer:
Likurg_2 [28]3 years ago
4 0

Answer:

days(d) = 50 ÷ 5

Explanation:

50 ÷ 5 =  number of days

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A pickup truck that can hold up to 3000 pounds is carrying a big machine that is 300 pounds and a few smaller ones that each wei
djyliett [7]

Answer:

no more than 45

Step-by-step explanation:

3k-300 leaves u with 2700/60 and you get 45

7 0
3 years ago
Read 2 more answers
Please answer quick!!
rewona [7]

Answer: B

Step-by-step explanation:

\frac{2}{7k}(k-7)

\frac{2k-14}{7k}

\frac{2k}{7k}-\frac{14}{7k}

\frac{2}{7}-\frac{2}{k}

7 0
3 years ago
Let mu denote the true average number of minutes of a television commercial. Suppose the hypothesis H0: mu = 2.1 versus Ha: mu &
natka813 [3]

Answer:

A. T > 2.539

Step-by-step explanation:

We have a hypothesis test of the mean, with unknown population standard deviation.

The hypothesis are:

H_0: \mu = 2.1 \\\\H_a: \mu > 2.1

From the hypothesis we can see that the test is right-tailed, so the critical value of t should be a positive value.

The degrees of freedom can be calculated as:

df=n-1=20-1=19

The significance level is 0.01, so the critical value tc should be the one that satisfies:

P(t>t_c)=0.01

Looking up in a t-table, for 19 degrees of freedom, this critical value is tc=2.539.

7 0
3 years ago
X squared plus 8 squared equals 9<br> What is X?
BabaBlast [244]

Answer:

x = i\sqrt{55} , -i\sqrt{55}

Step-by-step explanation:

x^2 + 8^2 = 9

Simplify the 8^2

x^2 + 64 = 9

Subtract 64 from both sides

x^2 = -55

Take the square root from both sides

x = +/- \sqrt{-55}

Simplify

x = i\sqrt{55} , -i\sqrt{55}

Hope this helps!

4 0
3 years ago
Does 3 tents multiplied by 100 equal 300 thousands
kobusy [5.1K]
0.3 times 100 = 30

300 thousands = 0.300.

No it does not
3 0
3 years ago
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