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3 years ago

300. she gets weekly 12 if she saves 5 each week towards the cost how many weeks will it take to get to 300

Mathematics

2 answers:

stealth61 [152]3 years ago

8 0

Ok.

She saves $5.

So, to get to $300, we divide by $5

(300/5) = 60

So it'll be 60 weeks.

antiseptic1488 [7]3 years ago

3 0

It would take her 60 weeks.

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What is the slope of the line that passes through the pair of point? (5, 7), (2, 1)

choli [55]

The slope of the line that passes through the pair of point (5, 7), (2, 1) is 2

Solution:

Given that line that passes through the pair of point (5, 7), (2, 1)

To find: slope of the line

The slope of line is given as:

For a line passing through two points $(x_1, y_1)$ and $(x_2, y_2)$ slope is given as:

$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

Here in this problem,

$\left(x_{1}, y_{1}\right)=(5,7) \text { and }\left(x_{2}, y_{2}\right)=(2,1)$

Substituting the values in above formula,

$m=\frac{1-7}{2-5}=\frac{-6}{-3}=2$

Thus the slope of given line is 2

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3 years ago

To make four cakes, Dena used 6 cups of sugar. Using the same recipe, how much sugar does she need to make one cake?

Fantom [35]

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5 0

2 years ago

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12=n/5 what does n equal also n/5 is supposed to be a fraction

blsea [12.9K]

60 do the inverse by multiplying the numbers you have

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3 years ago

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A composite figure is shown.

VikaD [51]

The surface area of the pyramid is 60 square feet

The surface area of the square prism is 480 square feet

The surface area of the cube is 180 square feet

The total surface area is 720 square feet

<h3>Area of Composite figures</h3>

From the question, we are to calculate the surface area of each part of the composite figure

For the cube

Surface area of a cube is given by

$S = 6l^{2}$

Where $l$ is the length of a side

But only have 5 surfaces of the cube are part of the composite figure

∴ Surface area of the cubic part of the figure = $5l^{2}$

From the given information,

$l = 6 \ feet$

∴ Surface area of the cubic part of the figure = 5 × 6²

Surface area of the cubic part of the figure= 180 square feet

For the square prism

The surface area of a square prism is given by the formula,

$S = 2l^{2} + 4lh$

Where $l$ is the length of the sides and

$h$ is the height

But the square surfaces are not part of the surface of the figure

∴ Surface area of the square prism in the figure = $2l^{2} + 4lh - 2l^{2}$

Surface area of the square prism in the figure = $4lh$

From the given information,

$l = 6 \ feet$

$h = 20 \ feet$

Thus,

Surface area of the square prism part of the figure = 4×6×20

Surface area of the square prism part of the figure = 480 square feet

For the pyramid

The pyramid is a square pyramid

The surface area of a square pyramid is given by

$S = l^{2} + 2l\sqrt{\frac{l^{2} }{4}+h ^{2} }$

Where $l$ is the base length

and $h$ is the height of the prism

But the square base is not part of the surface of the figure

∴ Surface area of the pyramid part of the figure = $l^{2} + 2l\sqrt{\frac{l^{2} }{4}+h^{2} }\ - ( l^{2})$

Surface area of the pyramid part of the figure = $2l\sqrt{\frac{l^{2} }{4}+h^{2} }$

From the given information,

$l = 6 \ feet$

$h = 4 \ feet$

∴ Surface area of the pyramid part of the figure = $2(6)\sqrt{\frac{6^{2} }{4}+4^{2} }$

= $12\sqrt{\frac{36 }{4}+16}$

= $12\sqrt{9+16 }$

= $12\sqrt{25}$

= 12 × 5

= 60 square feet

Hence, the surface area of the pyramid is 60 square feet

Thus,

The total surface area = 180 square feet + 480 square feet + 60 square feet

The total surface area = 720 square feet

Hence, the total surface area is 720 square feet

Learn more on Calculating area of composite figures here: brainly.com/question/13175744

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2 years ago

What is the equation 1.45x=0

Sergio [31]

1.45X=0
1.45 1.45

U divide 1.45 in each side 1.45 divided by 1.45 =x
And 1.45 divided by 0 is of course 0 cuz anything divided or
Multiplied by 0 Is always 0
Ur answer is X=1.35

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2 years ago