On Wednesday Heather ran 3 miles in 30 minutes. If she ran for 45 minutes at this rate on Thursday, how far did Heather run on Thursday?

Answers

Answer 1

Answer: 30 mins = 3 miles
10 mins = 1 mile
45 mins = 4.5 miles

4.5 mile is your answer
Glad to Help!

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The temperature dropped by −2.5 Celsius degrees for 5 consecutive days. What was the total decrease in temperature over the 5-day period, expressed as a signed number?
PLEASE HELP WITH THIS!!!**BRAINLIEST IF 2 PPL ANSWER******All help is appreciated
Which sentence uses punctuation correctly?a. Beneath the tall, tree the family ate a picnic of fruit and muffins.b. Beneath the tall tree the family ate, a picnic of fruit and muffins.c. Beneath the tall tree, the family ate a picnic of fruit and muffins.d. Beneath the tall tree the family ate a picnic of fruit and muffins.
Write the equation of the line passing through the given point with the indicated slope. Give your results in slope-intercept form. Point : (0,5) Slope: m=-3/5
Can someone do this it's hard I need help

What is the solution for x?

Answers

3 - x = 5

Add x on both sides.

3 - x + x = 5 + x

3 = 5 + x

Subtract 5 on both sides

3 - 5 = 5 - 5 + x

3 - 5 = x

x = 3 - 5

x = -2

Lots of equations that equal 420? Anybody know some?

Answers

If we do it algebraically, we get

x + y = 420

This is the simplest equation. You see now this is a linear pair in two variables. Thus, there will be infinitely many solutions.

E.g - 419 + 1 = 420

42 * 10 = 420
21 * 20 = 420

etc,....

42 times 10
210 times 2
210 + 210
70 times 6
60 tmes 7
140 times 3

and etc

I need help with that

Answers

Answer:

the triangle with 15 mini-squares

Brianna asked 45 students if they would vote for her to be student council president. She used her calculator to compare the number of students who said yes with the total number of students. Her calculator showed the result as 0.6222... 1. Write this number as a fraction (Steps)
2. How many students said they would vote for Brianna?

Answers

0.6222... is a recurring decimal at the digit '2'

let x = 0.62222....

multiply x by 10 ⇒ 10x = 6.2222.... [we multiply by 10 to leave the recurring digits after decimal point]

multiply x by 100 ⇒ 100x = 62.2222... [we multiply by 100 so that we can again leave the recurring digit after decimal point]

subtract 10x from 100x
100x - 10x = 62.2222... - 6.2222...
90x = 56
x = 56/90
x = 28/45

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There are 28 students would vote for Brianna

Which mathematical sentence most accurately expresses the information in the problem below? Crystal has 121 compact discs that she wants to put into boxes. Each of the boxes that she brought home holds 25 discs. How many of these boxes will she need for all of her discs?

Answers

Crystal has 121 compact discs. The total number of boxes required are 5.

Solution:

Given, Crystal has 121 compact discs that she wants to put into boxes.

Each of the boxes that she brought home holds 25 discs.

We have to find how many of these boxes will she need for all of her discs?

Now, we know that, number of boxes required $=\frac{\text {total number of discs}}{\text {capacity of one box}}=(121)/(25)=4.84=5$

Here we took 5 because 0.84 means that box with discs less than 25 still we require a box.

Hence, the total number of boxes required are 5.

In rectangle KLMN, KM =6x + 16, and LM =49. find the value of x

Answers

The rectangle is a figure with opposite sites equal in length.
Also, the diagonals in a rectangle have equal length.
KM and LN are the diagonals and they are equal by definition.
So, we can write the equation: KM=LM
6x+16=49
6x=49-16
6x=33
x=5.5

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