MATHEMATICS HIGH SCHOOL

There is 12 inches in 1 foot and there is 5,280 feet in one mile. Elena ran 3-1/4 miles. How many feet is that?

Answers

Answer 1

Answer:

Answer: The values is 2.5 miles converted to 158,400 inches

Step-by-step explanation:

12 inches = 1 foot and

5280 feet = 1 mile

Convert 2.5 miles to inches

Convert inches to feet :

5280 feet is equivalent to 1 mile

x = 2.5 miles

x = 5280 x 2.5

x = 13200 feet

Then convert 13,200 feet to inches

Because 12 inches is equivalent to 1 foot

x = 13200 feet

x = 12 x 13200

x = 158,400 inches

Therefore 2.5 miles converted to inches is 158,400 inches

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Mike wants to make meatloaf. His recipe uses a total of 5 pounds of meat. If he uses a 3 to 1 ratio of beef to pork, how much pork will he use?

Answers

Ratio of beef to pork = 3 : 1

Beef:Pork = 3 : 1

Total ratio = 3 + 1 = 4

Amount of pork: Fraction of Pork = 1/4 of the whole meat

(1/4)*5 = 5/4 = 1.25

Amount of Pork = 1.25 pounds.

Hope this explains it.

Multiply.

2/7 x 35 =

Answers

If you would like to calculate 2/7 * 35, you can do this using the following steps:

2/7 * 35 = 2 * 35/7 = 2 * 5 = 10

The correct result would be 10.

Please help will mark brainliest

Answers

Answer:

20 ft² - 4ft² = 16 ft²

Step-by-step explanation:

First we solve for the whole rectangle:

Formula: A = ab

side length a = 5 in

side length b = 4 in

diagonal p = q = 6.4031242374328 in

perimeter P = 18 in

area A = 20 in²

Second we deduct the Area of the cutout of the Square

side length a = 2 ft

Area = a² = 4 ft²

A motor with an efficiency of 75 percent must supply 240 j of useful work. What amount of work must be supplied to the motor.

Answers

E = 75% = 0.75, Work Output = Useful Work = 240 J, Work Input = ?

Efficiency, E = Work Output / Work Input

0.75 = 240 / Work Input

Work Input = 240 / 0.75

Work Input = 320

Amount of work supplied = Work Input = 320 J

I hope this explains it.

A furniture maker uses the specification 19.88 ≤ w ≤ 20.12 for the width w in inches of a desk drawer. Write the specification as an absolute value inequality.

Answers

A furniture maker uses the specification 19.88 ≤ w ≤ 20.12

The absolute value inequality is

$|x-20|\leq 0.12$

Given :

A furniture maker uses the specification 19.88 ≤ w ≤ 20.12 for the width w in inches of a desk drawer

We need to write the given inequality in absolute value inequality

if $a-b<x<a+b$ then absolute value inequality is

$|x-a|< b$

To find out value of 'a' and 'b' we need to use the given inequality

compare a-b<x<a+b with given inequality

$a-b=19.88\na+b=20.12$

Solve for 'a' and 'b'

Add both equations

$2a=40\na=20$

Now find out b

$a+b=20.12\n20+b=20.12\nb=20.12-20\nb=0.12$

The required absolute value inequality is

$|x-a|\leq b\n|x-20|\leq 0.12$

Learn more : brainly.com/question/1770168

The correct answer is:

|w-20| ≤ 0.12.

Explanation:

We first find the average of the two ends of the inequality:

(19.88+20.12)/2 = 40/2 = 20

This will be the number subtracted from w in the inequality.

Now we find the difference between this value and the ends:

20-19.88 = 0.12

20.12 - 20 = 0.12

This will be what our absolute value inequality ends with; the "answer" part, so to speak.

Since this inequality is written in compact form, it must be an "and" inequality; this means the absolute value inequality must be a "less than or equal to."

This gives us

|w-20| ≤ 0.12

How do you figure out what is a trinomial?

Answers

Answer:

To factor trinomals in the form of x^2+bx+c, you have to find 2 integers, r and s, whose product is c, and whose sum is b. You have to rewrite the trinomial as x^2+rx+sx+c and then using the grouping and distribution of property to factor the polynomial. The result of the factors will be (x+r) and (x+s)

Step-by-step explanation:

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