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Kryger [21]
3 years ago
11

NEED HELP YOU GUYS!!!!

Mathematics
1 answer:
AURORKA [14]3 years ago
5 0

Answer:

x1=

\frac{ - 2 +  \sqrt{100} }{ - 48}

x2=

\frac{ - 2 +  \sqrt{100} }{ - 48}

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Please help! On my 2nd attempt again. '-'
lora16 [44]

Answer:

9?

Step-by-step explanation:

just try imputing number until you get the closet to what you need(Don't Take my answer as a fasho I haven't done this in a while

3 0
3 years ago
A researcher is interested in estimating the mean weight of a semi tracker truck to determine the potential load capacity. She t
FinnZ [79.3K]

Answer:

(19229.11 ,20770.89)

Step-by-step explanation:

We are given the following information:

Sample size, n = 17

Sample mean = 20,000 pounds

Sample standard deviation = 1,500 pounds

Confidence level = 95%

Significance level = 5% = 0.05

95% Confidence interval:  

\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}  

Putting the values, we get,  

t_{critical}\text{ at degree of freedom 16 and}~\alpha_{0.05} = \pm 2.119  

20000 \pm 2.119(\displaystyle\frac{1500}{\sqrt{17}} ) = 20000 \pm 770.89 = (19229.11 ,20770.89)  

4 0
4 years ago
What is the answer?How do you solve this?
Alika [10]

Answer:

you have to look at the chart and use the chart to answer the questions at the botttom

Step-by-step explanation:

4 0
3 years ago
If a hat costs 15$ and the sales tax is 10% how much money do you need to buy the hat
GREYUIT [131]

Answer:

the answer would be 16.50

6 0
3 years ago
In the numerical sentence below, A = 8, D = 1/2 , and F = 1/4. What are the values B, C, and E if the sentence below is equivale
a_sh-v [17]
B=3; C=16; and E=4096.

Using the information we have gives us

8^B \times C^{\frac{1}{2}} = E^{\frac{1}{4}}

We know that:
8^B = 2;
\\
\\C^{\frac{1}{2}}=4;
\\
\\E^{\frac{1}{4}}=8

We know that 2³ = 8, so B = 3.

To "undo" a square root, we square the number; 4²=16, so C = 16.

To "undo" a fourth root, we raise the answer to the fourth power; 8⁴ = 4096, so E = 4096.
3 0
3 years ago
Read 2 more answers
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