Mathematics High School

m+7=3+m+4 Solve for m

Answers

Answer 1

Answer:

m any number becuase you subract 7 from both sides

Step-by-step explanation:

Related Questions

Solve for x
x(6x+1)= 2

Answers

Answer:

x=1/2,-2/3

Step-by-step explanation:

Answer:

- 1/2 I would show my work but its too long sry

Step-by-step explanation:

If (72)p = 76, what is the value of p? (5 points)

Answers

P=0.361 is the answer to this

Round off 13,486 to the nearest hundred.

Answers

Answer:

13,500

Step-by-step explanation:

Answer: 13,500

Step-by-step explanation:

So the 4 is in the hundred place than u look to the right where the next digit is which is 8. If its 5 or more u round up but if its 5 or less it stays the same. So 8 is 5 or more than u round up the 4 to 5 and leave the rest of the digit 0's. but u leave the 13 the same. If that makes sense.

can somebody explain in the simplest way how to find the slope? :)

Answers

Answer:

4/3

Step-by-step explanation:

Slope is rise over run. So how far do you rise to get up to 3 from -1. Put that over the run, (once you go up that many how far do you run?) Put that as a fraction and simplify if needed.

Answer: 4/3

Explain:

In a collection of coins, the number of quarters is one-third the number of pennies. The number of quarters is Q. The number of pennies is P. What is the correct formula relating Q to P

Answers

Answer:

Q = P/3

Step-by-step explanation:

Let the number of quarters be Q

Let the number of pennies be P

If the number of quarters is one-third the number of pennies, this can be expressed as;

Number of quarter = 1/3 of pennies

Q = 1/3 of P

Of means multiplication

The expression becomes;

Q = 1/3 × P

Q = P/3

Hence the formula relating Q to P is

Q = P/3

Jake dives from a diving board that is 18 feet off the ground. He reaches a maximum height of 26 feet after 2 seconds. What is the standard and vertex formula of this quadratic equation and in how many seconds with Jake hit the water?

Answers

Answer:

The time it will take Jake to hit the water ia approximately 4.46 seconds

Step-by-step explanation:

The given parameters in the question are; feet

The height off the ground, of the diving board from which Jake dives, h₀ = 18 feet

g = The acceleration due to gravity

The maximum height Jake reaches, h = 26 feet

The time Jake takes to reach maximum height = 2 seconds

We have;

h = h₀ + u·t + 1/2·g·t²

v² = u² - 2·g·(h - h₀)

v = u - gt

u = gt

Where;

v = The final velocity

u = The initial velocity

t = The time taken

u = 9.81 × 2 = 19.62 m/s

The vertex form of a quadratic equation is f(x) = a(x - h)² + k², with the vertex = (h, k)

Substituting the values, gives;

26 = 18 + u·t - 1/2 × 9.81 × t²

8 = 19.62·t - 1/2 × 9.81 × t² = 19.62·t - 4.905·t²

19.62·t - 4.905·t² - 8 = 0

Therefore, the standard form is -4.905·t² + 19.62·t - 8 = 0

The coordinate of the vertex, is (2, 8), the vertex form is therefore;

-4.905(t - 2)² + 8

2) The time it will take Jake to hit the water is given as follows;

The height at which Jake meets the water = -18 feet from initial height

∴ -4.905·t² + 19.62·t - 8 = -18

-4.905·t² + 19.62·t - 8 + 18 = 0

-4.905·t² + 19.62·t + 10 = 0

t² - 4·t - 2.04 = 0

By the quadratic formula, we have;

t = (4 ± √((-4)² - 4 × 1 × -2.04))/(2×1)

t ≈ 4.46 seconds or t ≈ -0.46 seconds

∴ t ≈ 4.46 seconds

The time it will take Jake to hit the water ≈ 4.46 seconds.

Write the unit rate for the situation. Please help

24 animals in 2 square miles

Answers

Answer:

12 animals per hour

Step-by-step explanation:

This is a fraction equal to

24 animals ÷ 2 hours

We want a unit rate where

1 is in the denominator,

so we divide top and bottom by 2

24 animals ÷ 2

2 hours ÷ 2

12 animals

1 hour

12 animals

hour

= 12 animals per hour

if six pounds of grape juice is $3, how much would it cost to buy 3,4, and 5 pounds of grape juice?

Answers

Answer:

It would cost $9 for 3 pounds, $12 for 4, and $15 for 5.

Step-by-step explanation:

I hope I understood what you we're asking correctly, sorry if not. :)

Mrs.Storz is driving at 48.5 mph for 1.2 hours. What will be the distance travelled by Mrs.Storz?

Answers

Answer:

58.2

Step-by-step explanation:

48.5*1.2=58.2

a number between 61 and 107 that is a multiple of 3, 6, and 7

Answers

Answer:

42?

Step-by-step explanation:

Answer:

Step-by-step explanation:

Multiples of 3 in this range: 63, 66, 69, 72, 75, 78, 81, 84, 87, 90, 93, 96, 99, 102, 105

Multiples of 6 in this range: 66, 72, 78, 84, 90, 96, 102

Multiples of 7 in this range: 63, 70, 77, 84, 91, 98, 105

If we look at these multiples, we see that 84 is the only number to show up in every list. Meaning, the answer is 84.

plz helpe me plzzzz i need help

Answers

Answer:

5200

Step-by-step explanation:

99.6 can be rounded to 100.

100*52 is 5200

Answer:

5200.

Step-by-step explanation:

Please help will give brainliest and extra points.

1. The coordinate points below show part of data collected by a computer company interested in how fast people type as they get older, where x is age in years and y is typing speed in words per minute. (5, 12), (13, 25), (12, 22), (18, 45), (15, 39), (15, 32), (16, 33), (17, 40), (7, 17) If this data was plotted on a scatter plot, would there be a relationship between the variables? If yes, explain the relationship.

Answers

Im not sure about the given data but I plotted the scatter plot based on what I understand on how the data should be presented.

Time (years)

3, 6, 9, 12, 15, 18, 21, 24

Number of participants(x1000)

22, 25, 28, 14, 17, 20,15, 9

Attached is the scatter plot created online.

x = time (years)

y = number of participantep explanation

-5c + 2 < 27 on a number line.

Answers

Answer:

c < -5

Step-by-step explanation:

So, on a number line, everything to the right of -5 would be shaded.

6 would be shaded along with 7, 8, 9, 10 etc. etc

The circle above -5 would be left open (not colored in)

Hope this helped

G
Which number line can be used to find the distance between (-1, 2) and (-5, 2)?
--7-6-5
-3-2
0
1
2
3
-2 -1 0
1
2
3
5
6 7
8
-7 -6 -5 4 3 - -
0 1
2
3
1
2
3 4 5

Answers

9514 1404 393

Answer:

see below

Step-by-step explanation:

The y-coordinates of the points are the same, so the distance between those points will be the difference of the x-coordinates. The first number line shows those x-coordinates plotted properly. It can be used to find the difference between them.

A public swimming pool that holds 45,000 gallons of water is going to be drained for maintenance at a rate of 100 gallons per minute. The amount of water, w (in gallons), in the pool after t minutes is given by the function w = 45,000 – 100t. How many minutes will it take to empty the pool?

Answers

Answer:

450 minutes

Step-by-step explanation:

Given

w = 45000 - 100t

Required

Determine how long it'll take to empty the pool

Being empty means there's no water in the pool.

So, we have to set w to 0 to get the value of t

i.e w = 0

Substitute 0 for w in w = 45000 - 100t

0 = 45000 - 100t

Collect Like Terms

100t = 45000

Divide through by 100.

t = 450

WILL MARK BRAINIEST: Find the equation in slope intercept form for each line described. a line that passes through the point (8 4) and is parallel to the line 3x-4y=20.

Answers

y=mx+b

y=24x-5

Please mark brainliest.

I have also used an online algebra calculator to check my answer so this is correct.

Question Category: Using Models for Data
Select the correct answer.

Mr. Walker gave his students a poem to memorize and present to the class. After the presentations, he gathered data about the time each of seven students spent memorizing their poem and the number of errors each made when presenting it to the class.

He used a graphing tool to display the data in a scatter plot, with x representing the minutes spent memorizing the poem and y representing the number of errors. Then he used the tool to find the equation of the line of best fit:

y = -0.118x + 14.327.

Based on the line of best fit, approximately how many minutes did a student spend memorizing the poem if the student made 12 errors when presenting it to the class?

27
20
15
13

help plz

Answers

Answer:

The answer is 20

Step-by-step explanation:

I just did it and got it correct

Answer:

the answer is right, here is the explanation if anyone needs it.

Step-by-step explanation:

please help with these 2 answers i only have 10 minutes left

Answers

Answer:

1/4 of a pound4/15 of the flat

Step-by-step explanation:

For number 1:

3/4 ÷ 3 = 0.250.25 = 1/4

For number 2:

4/5 ÷ 3 = 4/15

I hope this helps!

Answer:1. 3/4 = 1/4

3 divided by 4 equals .75

1 / 12 = 0.08333333 Incorrect

1 / 9 = 0.11111111 Incorrect

1 / 4 = 0. 25 Correct

1 / 3 = 0.33333333 Incorrect

1 / 4 is correct because .75 simplified is

.75 x 100 = 75 (75/100)

75 = 25 x 3

Answer:2. 4/15 of the flat

Answer:

C) x=35

Step-by-step explanation:

First, we know that the total amount of degrees in a rotation is 360. As the picture tells us, the opposite angles will be exactly the same. Taking this information, we can have the following equation:

4x + 2(3x+5) = 360

By now using our linear equation skills, we get:

10x+10=360

10x=350

x=35

The degree amount of x for c) is 35 degrees.

C. Since the angles form a linear pair, their sum equals 180.

So, 2x + 3x + 5 = 180

x=35

D. Since the angles are verticle, they equal each other.

So, 3x + 5 = 5x -57

x=31

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m+7=3+m+4 Solve for m​

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m+7=3+m+4 Solve for m