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3 years ago

What is 40 divided 175

Mathematics

2 answers:

NNADVOKAT [17]3 years ago

8 0

Answer:

0.22857142857

marin [14]3 years ago

5 0

Answer:

40 divided by 175 is 4.375

Step-by-step explanation:

you always have to start the division problem with the larger number so it would be 175 divided by 40

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Ben bought a digital camera for $90. The tax rate is 6%.

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Jasmine created a scale drawing of her room. She used a scale of 1 in:3 feet. The drawing is 8 inches long by 6 inches wide. Wha

sergiy2304 [10]

Answer:

The area of the room is 432 square feet

Step-by-step explanation:

Let us use the ratio method to solve the question

∵ The scale drawing of the room is 1 inch: 3 feet

→ That means each 1 inch in the drawing represents 3 feet in real

∵ The drawing is 8 inches long by 6 inches wide

∴ The drawing length of the room = 8 inches

∴ The drawing width of the room = 6 inches

→ By using the ratio method

→ inches : feet

→ 1 : 3

→ 8 : L

→ 6 : W

→ By using the cross multiplication

∵ 1 × L = 8 × 3

∴ L = 24

∴ The actual length of the room is 24 feet

∵ 1 × W = 6 × 3

∴ W = 18

∴ The actual width of the room is 18 feet

Use the formula of the area of the rectangle to find the area of the room

∵ Area of rectangle = length × width

∴ Area of the room = 24 × 18

∴ Area of the room = 432 feet²

∴ The area of the room is 432 square feet

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3 years ago

What is 123,455×123.32÷10

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Which of the following quartic functions has x=-1 and x=-3 as its only two real zeros

Eduardwww [97]

Answer:

option D

Step-by-step explanation:

x=-1 and x=-3 are the real zeros

We plug in the x values in each equation and check which equation makes y=0

A) y=x^4-4x^3-4x^2-4x-3

x=-1 , $y=(-1)^4-4(-1)^3-4(-1)^2-4(-1)-3= 2$

x=-3 , $y=(-3)^4-4(-3)^3-4(-3)^2-4(-3)-3= 162$

y is not equal to 0 so option A is not correct

B.y=-x^4-4x^3+4x^2+4x+3

x=-1 , $y=(-1)^4-4(-1)^3+4(-1)^2+4(-1)+3=6$

x=-3 , $y=(-3)^4-4(-3)^3+4(-3)^2+4(-3)+3=54$

y is not equal to 0 so option B is not correct

C.y=x^4+4x^3+3x^2+4x-4

x=-1 , $y=(-1)^4+4(-1)^3+4(-1)^2+4(-1)-4= -8$

x=-3 , $y=(-3)^4+4(-3)^3+4(-3)^2+4(-3)-4= -16$

y is not equal to 0 so option C is not correct

D) y=x^4+4x^3+4x^2+4x+3

x=-1 , $y=(-1)^4+4(-1)^3+4(-1)^2+4(-1)+3= 0$

x=-3 , $y=(-3)^4+4(-3)^3+4(-3)^2+4(-3)+3= 0$

y=0 so option D has two real zeros x=-1 and x=-3

7 0

3 years ago