What is equivelint in ratio

Answers

Answer 1

Answer: a equivelint ratio is when u can multi or divide by both sides

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Dexter rides his bike 3 1/4 miles each day on Monday, Wednesday, and Friday. On Tuesday and Thursday he rides 7 3/8 miles each day. How many miles does he ride for the five days?A. 9 3/4 milesB. 10 5/8 milesC. 14 3/4 milesD. 24 1/2 miles
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Ross needs to buy a countertop for a laundry room. He calculated the area to be 12 square feet. The actual area is 11.8 square feet. What is Ross's percentage error?

Answers

The formula for percentage error is:

$\sf{Percentage~ error= (|Approximate ~-~ Actual|)/(|Actual|)}$

Ross got the approximate area as 12, while the actual area was 11.8. So, let's plug it in to the formula.

$\sf{Percentage~ error= (|Approximate ~-~ Actual|)/(|Actual|)= (|12-11.8|)/(|11.8|)= (|0.2|)/(|11.8|)= (0.2)/(11.8) \approx 0.0169 }$

Multiply 0.0169 by 100 to make it into a percent.

0.0169 * 100 = 1.69%

Ross's percentage error is 1.69%.

Answer: B - 1.69%

I took the test, trust me.

In the diagram below line l is parallel to line m. Which angels are congruent to angel 1

Answers

Answer:

I will like to help you but where is the diagram?

Step-by-step explanation:

What is the slope of these two points: (2,2) and (8,8)

Answers

Answer:

m=1

Step-by-step explanation:

x1,y1 (2,2) x2,y2 (8,8)

m=8-2/8-2

m=1

the slope of (2,2) and (8,8) is 1.

A function f(x) has x intercepts of -3 and -5. What is the constant term in the function? F(x)=x^2+8x+

Answers

Answer:

The constant term in the function is 5

Step-by-step explanation:

we have

$f(x)=x^(2)+8x+b$

where

b is the y-intercept or the constant term of the function

Remember that

The x-intercept is the value of x when the value of the function is equal to zero

For x=-3 ----> f(x)=0

For x=-5 ----> f(x)=0

substitute any of the intercepts in the function

For x=-3

$0=(-3)^(2)+8(-3)+b$

$0=9-24+b$

$0=-15+b$

$b=15$

$f(x)=x^(2)+8x+15$

Verify with the other intercept

For x=-5

$0=(-5)^(2)+8(-5)+15$

$0=25-40+15$

$0=0$ ---> is true

therefore

The constant term in the function is 5

Artificial turf in on athletic fields was first introduced in the 1960s. Its safety has been controversial since then. One issue that has been investigated is whether injuries of football players tend to be more serious on artificial turf than grass. A study followed 24 NCAA division 1A college football teams over three seasonsIn total there were 1050 injuries that occurred on field turf. Of the field turf injuries, 83.3333% were minor and 10.857% were substantial.

77.972% of grass injuries were minor.

4.26% of injuries occurred on grass were severe.

(There is a total of minor injuries on grass and on field turf is equal to 1813.

How many injuries were severe and occurred on field turf? Write your answer as an integer.

How many injuries were severe? Write your answer as an integer.

Answers

1. Out of 1050 injuries that occurred on field turf:
$(1050)(0.8333) = 875$ were minor and $(1050)(0.10857) = 114$ were substantial. This leaves 1050 - 875 - 114 = 61 severe injuries.

2. If there were 1813 total minor injuries, and 875 were on field turf, then 1813 - 875 = 938 were on grass. This is 77.972% of all grass injuries, so $0.77972x = 938$ gives $x = 1203$ total grass injuries.

Since 4.26% of grass injuries were severe, this is (1203)(0.0426) = 51 severe grass injuries. Adding this to the 61 severe turf injuries gives a total of 112 severe injuries.

the perimeter of a rectangle is 24 inches.Twice the length decreased by three times the width is 4 inches. what are the dimensions of the rectangle?

Answers

Original = 8 length and 4 width

New = 8/2 = 4/2 = 2 is length and 4 is width.

Perimeter of new = 12

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