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Katyanochek1 [597]
3 years ago
13

Noah bought 15 baseball cards for $9.00. Assuming that each baseball card costs the same amount, answer the following questions.

How much will 30 baseball cards cost?
Mathematics
1 answer:
STatiana [176]3 years ago
5 0

Answer:

270 dollars

Step-by-step explanation:

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Can anybody help me on this
Feliz [49]

Answer: first option

Step-by-step explanation:

The volume of a regular pyramid can be calculated with the following fromula:

V=\frac{B*h}{3}

Where B is the area of the base of the pyramid and h iis the height of the pyramid.

The base is a square, therefore, its area B is:

B=side^2\\B=(2units)^2\\B=4units

You know that the height is 3, therefore, you can substitute these values into the formula.

THerefore, the volume of the pyramid is:

V=\frac{4units^2*3units}{3}

V=4units^3

7 0
3 years ago
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The slope of the line containing the points (6, 4) and (-5, 3) is:<br><br> 1<br> -1<br> 1/11
julsineya [31]

Answer:

1/11

Step-by-step explanation:

(6, 4) and (-5, 3)

Slope:

m=(y2-y1)/(x2-x1)

m=(3-4)/(-5-6)

m= (-1)/(-11)

m = 1/11

3 0
2 years ago
What is the exponential regression equation that fits these data? y x 1 4 2 8 3 27 4 85 5 250 6 600
Volgvan

Answer:

its is C because the other ones are obvious wrong. So it has to be C plus i did this test.

Step-by-step explanation:

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2 years ago
Is (0,0) a solution of the system y&gt;x and x+y&gt;0?
olga55 [171]
Plug the values (x,y)=(0,0) into the inequalities:

y\ \textgreater \ x \\&#10;0\ \textgreater \ 0 \\&#10;not \ true \\ \\&#10;x+y\ \textgreater \ 0 \\&#10;0+0\ \textgreater \ 0 \\&#10;0\ \textgreater \ 0 \\&#10;not \ true

0 isn't greater than 0, no (0,0) is not a solution to either of these inequalities.

The answer is D.
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