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Cerrena [4.2K]
3 years ago
14

Someone ft me pls :(

Mathematics
2 answers:
KiRa [710]3 years ago
5 0

Answer:

Sure whats the number

Step-by-step explanation:

AVprozaik [17]3 years ago
3 0
Ok sounds good :))))
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Terry and Ed start a lawn mowing business and purchase the mowers and equipment for $1,300. They charge $15 for each lawn and us
RoseWind [281]
Given that Terry and Ed started a lawn mowing business and purchased the <span>the mowers and equipment for $1,300 which charged $15 for each lawn and use $2 worth of gas, the number of lawns that Terry and Ed must mow in order to break even would be 100 lawns. The answer would be option C. Hope this answer helps.</span>
7 0
3 years ago
Point D is on segment BC, Segment BC measures Bx
Nostrana [21]

Answer:

144 units

Step-by-step explanation:

3x + 8 + 4x + 10 = 8x

7x + 18 = 8x

8x - 7x = 18

x = 18

8x is length of BC

8 × 18 is length of BC

144 units

5 0
3 years ago
Determine the perimeter of a square with a diagonal of<br><br> √72<br><br> centimeters
const2013 [10]
The correct answer is 23.6
First find the length of the square root of 72 which is 8.4
Next divide 8.4 by the square root of to to find the length of a side 5.9 
Multiply 5.9 by 4 to get 23.6
7 0
3 years ago
(23.01) In a randomized comparative experiment on the effect of dietary calcium on blood pressure, researchers divided 58 health
Paul [167]

Answer:

113.7-2.154\frac{9.1}{\sqrt{29}}=110.06    

113.7+2.154\frac{9.1}{\sqrt{29}}=117.34    

And the 96% confidence is given by (110.06; 117.34)

Step-by-step explanation:

Information given

\bar X=113.7 represent the sample mean

\mu population mean (variable of interest)

s=9.1 represent the sample standard deviation

n=29 represent the sample size  

Confidence interval

The confidence interval for the mean is given by the following formula:

\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}   (1)

The degrees of freedom are given by:

df=n-1=29-1=28

The Confidence is 0.96 or 96%, the significance is \alpha=0.04 and \alpha/2 =0.02, and the critical value would be t_{\alpha/2}=2.154

Replacing the info we got:

113.7-2.154\frac{9.1}{\sqrt{29}}=110.06    

113.7+2.154\frac{9.1}{\sqrt{29}}=117.34    

And the 96% confidence is given by (110.06; 117.34)

5 0
3 years ago
Which ordered pairs is a solution to -5x + 3y &gt; 12?
maks197457 [2]

Answer:

(-5,5)

Step-by-step explanation:

if you replace x and y with the numbers, the answer will be true.

3 0
3 years ago
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