Help me on number 3 please 50 points

Answers

Answer 1

Answer: To do this, we just need to find the unit rate, and then apply the values.

In the graph, 2 hours would bring you 130 miles.

Divide: 130/2 = 65

Lets check:

65 * 8 = 520

Here's the final answer: Multiply the number of hours by 65 to find the number of miles.

Answer 2

Answer: Your answer would be 520.

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The average rate of the first part of Yi’s walk on a park loop was 4 miles per hour. She then met up with a friend and the two walked the rest of the way at an average rate of 5 miles per hour. The entire 3-mile walk took Yi 42 minutes (0.7 hour). Which equation can be used to solve for x, the time in hours that Yi spent walking before meeting her friend?

Answers

so she walked during this time with 4 miles per hour (x*4)

during the rest of the way (which is 0.7-x, as the whole way took her 42 minutes, so the rest is 0.7-x) she walked with 5 miles per hour - the distance was (0..7-x)*5 m/h

the total distance was 3 miles, so if we sum the two distances, we will get 3 miles:

x*4+ (0.7-x)*5=3

let's remove the bracket:

4x+0.7*5-5x=3

4x+3.5-5x=3

subtract 3.5 from both sides:
4x-5x=3-3.5
-x=-0.5

multiply both sides by (-1)
x=0.5:

so she walked for half an hour alone, that is for 30 minutes!

Answer:

D, 4x + 5(0.7 – x) = 3.

Step-by-step explanation:

yw egen2020

9=2y-y^-6x-x^
“^”: squared
Need help finding the equation if a circle expanded form

Answers

The formula would be -(y-1)^2-(x+3)^2=-1

How many letters are in this????

Answers

q there are q letters

3^6 over 3^? = 3^4

What is the missing value?

Answers

For the question mark, we can insert a variable considering it is an unknown number.

$(3^6)/(3^x) = 3^4 \n \n 3^(6-x) = 3^4 \ / \ use \ qotient \ rule \n \n 6 - x = 4 \ / \ cancel \ out \ 3 \n \n -x = 4 - 6 \ / \ subtract \ 6 \ from \ each \ side \n \n -x = -2 \ / \ simplify \n \n x = 2 \ / \ multiply \ each \ side \ by \ -1 \n \n Answer: \fbox {x = 2}$

A video game that normally sells for $80 is on sale for $68. What is the percent of discount for the sale price ?

Answers

the discount is 15% off
80-68=12
12 is 15% of 80

Answer:The discount is 15%

Step-by-step explanation:80-68=12. 12 is 15% of 80

Please solve this, asap.

Answers

2^(1/12) because math math math math math

0.1317582337

Used a calculator.

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Find the lateral area of this pyramidwhose base is an equilateral triangle. Itsslant height is 12 in. and the length of eachside of the triangular base is 5

1.) 8/1 - 1 and 11/162.) 1 and 3/5 + 1 and 1/43.) 5 and 1/4 - 1 and 1/8

Question in attachment

If each number were multiplied by four, their sum would be 172. What are the two numbers?