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2 years ago

11

Mickey buys a shirt for $12 and a pair of shoes for $25. The sales tax rate is 9.25% how much sales tax must he pay? what is the

total amount spent?

1 answer:

Alexeev081 [22]2 years ago

8 0

Answer:

$12 + $25 = $37

9.25% of 37 is 3.4225 (rounds to 3.42)

$37 + $3.42 = $40.42

Sales tax: $3.42

Total amount spent: $40.42

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Janice needs to re-shingle the roof of her house. One bundle of shingles costs $35.99 and covers 2.25 m2.

larisa [96]

To calculate the number of shingles, we first calculate for the total area of the roof of Janice's house. From the figure, we can calculate the area of the two shapes: pyramid and a rectangular prism.

A(pyramid) = lw+l√[(w/2)²+h²]+w√[(l/2)²+h²]
A = 208 m²
A(prism) = 2(wl+hl+hw)
A = 293 m²

Total area = 501 m²

Number of shingles she needs = 501 m² / 2.25 m² =<span> 223</span><span>
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2 years ago

Sam has twice as many as books as Jim. If Sam gives 12 books to Jim, they will have the same number of books. How many books do

Vsevolod [243]

Answer:

48

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Sam had 36 books

Jim had 12

after same gave Jim 12 books, they each had 24 books

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2 years ago

Each side of a rhombus is 20 cm long and one of its diagonals is 24 cm in length, find the area of this rhombus?

vodomira [7]

Answer:

AB = 20 CM

OA = 1

__ × 24 cm

2

= 12 cm

AOB = 90 °

OB² == AB² - OA ²

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AREA OF ABCD IS

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$hope \: its \: helpful \: \: to \: you \:$

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State the slope-intercept form of the equation for the graph with the points 3,0 and 0,-1

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Answer:

The answer is y=1/3x-1

Step-by-step explanation:

m=1/3

y-y=m(x-x1)

y-(-1)=1/3(x-0)

y+1=1/3x-0

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2 years ago

Find the volume of the solid generated by revolving the region bounded by

Rama09 [41]

Answer:

$V =\dfrac{25\pi}{\sqrt{2}}$

Step-by-step explanation:

given,

y=5√sinx

Volume of the solid by revolving

$V = \int_a^b(\pi y^2)dx$

a and b are the limits of the integrals

now,

$V = \int_a^b(\pi (5\sqrt{sinx})^2)dx$

$V =25\pi \int_{\pi/4}^{\pi/2}sinxdx$

$\int sin x = - cos x$

$V =25\pi [-cos x]_{\pi/4}^{\pi/2}$

$V =25\pi [-cos (\pi/2)+cos(\pi/4)]$

$V =25\pi [0+\dfrac{1}{\sqrt{2}}]$

$V =\dfrac{25\pi}{\sqrt{2}}$

volume of the solid generated is equal to $V =\dfrac{25\pi}{\sqrt{2}}$

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