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3 years ago

At a clothing store sale, a shirt costs

Mathematics

1 answer:

jonny [76]3 years ago

8 0

Answer:

I believe the answer is G

Step-by-step explanation:

t stands for tie and s stands for shirt, subtracting money from the tie doesn't fit the equation correctly, lowering the answers to F and G. In the lower equation of F it shows s + t= 99, but that is not true, making the answer G

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Which expression is equivalent to x + y + x + y + 3(y + 5)? 2x + 5y + 5 2x + y + 30 2x + 5y + 15 2x + 3y + 10 NextReset

jolli1 [7]

<span>Which expression is equivalent to x + y + x + y + 3(y + 5)? 2x + 5y + 5 2x + y + 30 2x + 5y + 15 2x + 3y + 10

</span> $x + y + x + y + 3(y + 5)= \\ \\ x+y+x+y+3y+15= \boxed{ 2x+5y+15 }$ <span>
</span>

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2 years ago

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What is the surface area of the cube shown?

Kryger [21]

Step-by-step explanation:

solve for surface area

A=6a^2

a=edge

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2 years ago

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elixir [45]

Answer:

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1 year ago

The distance from the center of a circulartrashcan to the edge of the trashcan is 15 inches.What is the area of the top of the t

Black_prince [1.1K]

Answer:

706.95in²

Step-by-step explanation:

This problem bothers on the mensuration of solid shapes, a cylinder

Step one

The trash can has a cylindrical shape

The distance from the center to the edge is the radius r= 15in

Step two

Area of top (circular ) = πr²

A= 3.142*15²

A= 3.142*225

A= 706.95in²

5 0

2 years ago

Write an equation for the line passing through the points (-5,15) and (20,25). Show how you found your answer.

olasank [31]

The point-slope form:

$y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}$

We have the points (-5, 15) and (20, 25). substitute:

$m=\dfrac{25-15}{20-(-5)}=\dfrac{10}{25}=\dfrac{2}{5}\\\\y-15=\dfrac{2}{5}(x-(-5))\\\\y-15=\dfrac{2}{5}(x+5)\qquad|\text{use distributive property}\\\\y-15=\dfrac{2}{5}x+2\qquad|\text{add 15 from both sides}\\\\y=\dfrac{2}{5}x+17\qquad|\text{multiply both sides by 5}\\\\5y=2x+85\qquad|\text{subtract 2x from both sides}\\\\-2x+5y=85\qquad|\text{change the signs}\\\\2x-5y=-85$

Answer:

point-slope form: $y-15=\dfrac{2}{5}(x+5)$

slope-intercept form: $y=\dfrac{2}{5}x+17$

standard form: $2x-5y=-85$

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3 years ago