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Artemon [7]
2 years ago
5

Slope is -7, and (0,-6) is on the line.

Mathematics
2 answers:
Ivanshal [37]2 years ago
4 0
Dude what even is the question what are we trying to
777dan777 [17]2 years ago
4 0

Answer:

<h2>D : y = -7y - 6</h2>

Step-by-step explanation:

D:y=my+p

m=slope

p=y-intercept

m = -7

(0,-6)∈D means THe y-intercept equal to -6

then p= -6

:)

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(-3,600,000,000)x(0.00000824)
Nadusha1986 [10]
-29664 is the correct answer. This mostly deals with the zeros and crossing them off
8 0
2 years ago
Tiana's math test score are 85 and 91 . she has one more test left. in order to earn and a, her average test score must be at le
pentagon [3]
You have no choices listed but here's the answer:
(85 + 91 + x) / 3 = 94
Multiplying both sides by 3
85 + 91 + x = 282
x = 106
In order for her to get a 94 average she would need a mark of 106 on her next test.


3 0
3 years ago
Read 2 more answers
Jane Dough sells her doughnuts for $0.15 more than what it costs her to make each doughnut. If you can buy 2 dozen doughnuts for
enot [183]

Answer: $0.20

Step-by-step explanation: $8.4 divided by the 24 or 2 dozen dougnuts she sells means she sell each donut for $0.35 and if we know that Jane Dough sells her doughnuts for $0.15 more than what it costs her to make each doughnut then $0.35 - $0.15 = $0.20 to make each donut

6 0
2 years ago
Read 2 more answers
(7x +6) - (5x - 4) = 180
BartSMP [9]

Answer:

x= 85

Step-by-step explanation:

(7x+6)-(5x-4)=180

There is a negative 1 between the two parenthesis

-1(5x-4)

-5x+4

Now plug it back into the equation and take out the parenthesis

7x+6-5x+4= 180

2x+10=180    Now we can solve

    -10  -10

2x= 170

2x/2 = 170/2

x= 85

I hope this helps! :)

8 0
3 years ago
Read 2 more answers
An experiment was conducted to record the jumping distances of paper frogs made from construction paper. Based on the sample, th
Natasha2012 [34]

Answer:

9.9676 - 2.326*0.5904 =8.594

9.9676 + 2.326*0.5904 =11.341

Step-by-step explanation:

Notation

\bar X represent the sample mean

\mu population mean (variable of interest)

s represent the sample standard deviation

n represent the sample size  

Solution to the problem

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

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

For this case the 9% confidence interval is given by:

8.8104 \leq \mu \leq 11.1248

We can calculate the mean with the following:

\bar X = \frac{8.8104 +11.1248}{2}= 9.9676

And we can find the margin of error with:

ME= \frac{11.1248- 8.8104}{2}= 1.1572

The margin of error for this case is given by:

ME = t_{\alpha/2}\frac{s}{\sqrt{n}} = t_{\alpha/2} SE

And we can solve for the standard error:

SE = \frac{ME}{t_{\alpha/2}}

The critical value for 95% confidence using the normal standard distribution is approximately 1.96 and replacing we got:

SE = \frac{1.1572}{1.96}= 0.5904

Now for the 98% confidence interval the significance is \alpha=1-0.98= 0.02 and \alpha/2 = 0.01 the critical value would be 2.326 and then the confidence interval would be:

9.9676 - 2.326*0.5904 =8.594

9.9676 + 2.326*0.5904 =11.341

8 0
2 years ago
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