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3 years ago

Help cause everyone last time when i posted this question DIDNT help

Mathematics

1 answer:

Lorico [155]3 years ago

7 0

Answer:

James is incorrect. A fraction can be interpreted as division of the numerator by the denominator.

Step-by-step explanation:

hope this helps :)

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Marcus is buying CDs. They add up to $31 before tax. the sales tax rate where he lives is 5 percent. How much will his CDs cost

mart [117]

$32.55

$31 x 5% = $1.55

$1.55 + $31 = $32.55

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3 years ago

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Which BEST describes a ray?

Elden [556K]

Answer:

Endpoint at one end and an arrow at the other end.

Step-by-step explanation:

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4 years ago

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Find area of the shaded portion of the figure

Nikitich [7]

Answer:

$\sf C) \quad 57 \frac34 \:cm^2$

Step-by-step explanation:

To find the shaded area, subtract the area of the semicircle from the area of the rectangle.

Formulae

$\textsf{Area of a rectangle}=\textsf{width} \times \textsf{length}$

$\textsf{Area of a semicircle}=\dfrac12 \pi r^2 \quad \textsf{(where r is the radius)}$

$\textsf{Diameter of a circle}=2r \quad \textsf{(where r is the radius)}$

Area of rectangle

Given dimensions of the rectangle:

width = 7 cm
length = 11 cm

Substituting these values into the formula:

$\implies \textsf{Area}=\textsf{7} \times \textsf{11}=77\: \sf cm^2$

Area of semicircle

Diameter of semicircle = 11 - 2 - 2 = 7 cm

⇒ Radius (r) = 7 ÷ 2 = 3.5 cm

$\textsf{let}\: \pi=\dfrac{22}{7}$

$\implies \textsf{Area}=\dfrac12 \left(\dfrac{22}{7}\right) (3.5)^2=19.25\: \sf cm^2$

Area of shaded region

= area of rectangle - area of semicircle

= 77 - 19.25

= 57.75

$\sf =57 \frac34 \:cm^2$

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3 years ago

Solve for y. 20 = -8v+4(v+4) Simplify your answer as much as possible.

Gnesinka [82]

Answer:

y=-4, That will be your answer

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3 years ago

At the end of April, Mandy told Bill that she has read 16 books this year and reads 2 books each month. Bill wants to catch up t

Dovator [93]

we know that

In an Arithmetic Sequence the difference between one term and the next is a constant

$an=a1+d*(n-1)$

where

a1 is the first term

d is the common difference between terms

n is the number of months (in this problem)

case a) Mandy

$a1=16 books$

$d=2$

$an=16+2*(n-1)$ ------> equation $1$

in this equation the first month is April

case b) Bill

$a1=4 books$

$d=4$

$an=4+4*(n-1)$ -------> equation $2$

In this equation the first month is May

With the equation $1$ and the equation $2$

calculate the attached table

therefore

the answer is

December

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3 years ago

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