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1 year ago

HELP please I’ll make u the brainiest if right

Mathematics

1 answer:

jonny [76]1 year ago

5 0

Answer:

D is your answer

Step-by-step explanation:

All you have to do is just input the numbers into the equation.

y=1.55(84400)+110419

y=130820+110419

$241,239

So, D is your answer.

Hope this helps!

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Suppose that you want to estimate average income in a population. If the standard deviation of income in the population is $1,00

Alik [6]

Answer:

2401

Step-by-step explanation:

Given that we want to estimate average income in a population.

The standard deviation of income in the population is $1,000

We want confidence interval around our estimate to be +/- $40

i.e Margin of error = 40

We know that margin of error = Std error * Z critical for 95%

i.e. $40 = 1.96 * std error$

Std error = $\frac{std dev}{\sqrt{n} } \\=\frac{1000}{\sqrt{n} }$

Together we get

$40=1.96(\frac{1000}{\sqrt{n} } )\\\sqrt{n} =\frac{1000*1.96}{40} \\=49\\n=2401\\$

3 0

1 year ago

Monique made several batches of soup for a potluck supper. Each batch required Three-fourths of a pound of potatoes, and she use

mr Goodwill [35]

Answer:

its 8 2/3

Step-by-step explanation: I got it right on edg

4 0

1 year ago

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Henry wants to double a cake recipe that uses 2 cups and 10 tbsp of flour. How much flour will he need?

Lubov Fominskaja [6]

Answer:

20 tbsp of flour OR 1.25 or 1 $\frac{1}{4}$ cups of flour

Step-by-step explanation:

10 tbsp of flour

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20 tbsp of flour OR 1.25 or 1 $\frac{1}{4}$ cups of flour

5 0

1 year ago

Given matrix A below, and that A = B, find the value of the elements in B. A = 9 −2 3 2 17 0 3 22 8 b11 = b12 = b13 = b21 = b22

GuDViN [60]

Answer:

$b_{11}=9,b_{12}=-2,b_{13}=3,b_{21}=2,b_{22}=17,b_{23}=0,b_{31}=3,b_{32}=22,b_{33}=8$

Step-by-step explanation:

Consider the given matrix

$A=\left[\begin{array}{ccc}9&-2&3\\2&17&0\\3&22&8\end{array}\right]$

Let matrix B is

$B=\left[\begin{array}{ccc}b_{11}&b_{12}&b_{13}\\b_{21}&b_{22}&b_{23}\\b_{31}&b_{32}&b_{33}\end{array}\right]$

It is given that

$A=B$

$\left[\begin{array}{ccc}9&-2&3\\2&17&0\\3&22&8\end{array}\right]=\left[\begin{array}{ccc}b_{11}&b_{12}&b_{13}\\b_{21}&b_{22}&b_{23}\\b_{31}&b_{32}&b_{33}\end{array}\right]$

On comparing corresponding elements of both matrices, we get

$b_{11}=9,b_{12}=-2,b_{13}=3$

$b_{21}=2,b_{22}=17,b_{23}=0$

$b_{31}=3,b_{32}=22,b_{33}=8$

Therefore, the required values are $b_{11}=9,b_{12}=-2,b_{13}=3,b_{21}=2,b_{22}=17,b_{23}=0,b_{31}=3,b_{32}=22,b_{33}=8$ .

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1 year ago

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The equation r = 6t gives the number of albums released, r, by a record label over time in years, t. If you graph this relations

svp [43]

Choices:
(7, 44)
(8, 48)
(9, 52)
(12, 74)
<span>(13, 78)

r = 6t
(7,44) : r = 6(7) = 42 incorrect
(8,48) : r = 6(8) = 48 CORRECT
(9,52) : r = 6(9) = 54 incorrect
(12,74) : r = 6(12) = 72 incorrect
(13,78) : r = 6(13) = 78 CORRECT

The points that lie on the resulting line are (8,48) and (13,78)</span>

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2 years ago

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