Mathematics Middle School

PLLZZ HELP ME OUT WITH THIS!!!!

1. A driver’s elevation is -30 feet relative to sea level. She dives down 12 feet. What is the elevation after the dive?Show your work. (20 points)

2. Explain(In your own word) how to model -5+5+(-2) on the number line. (20 points)

3. How do you subtract an integer from another integer without using a number line ? Give an example. (20 points)

4.Solve following problems(Show your work for subtraction):(40 points)

(-1)+(-5)= b) (-1)+(9)= c)1-(-2)=

d) 19-(-19)= e) -87-(-87) f) 0-(-5)=

Answers

Answer 1

Answer:

for 1. -30 - 12 = -42

Step-by-step explanation:

Answer 2

She is at -30 feet then dives down 12 more

30+12=42

Related Questions

The graph shows the amount of money paid when purchasing bags of peanuts at the zoo:

What does the point (0, 0) on the graph represent?
A. The cost of one bag of peanuts
B. The cost of zero bags of peanuts
C. The cost of two bags of peanuts
D. The cost of three bags of peanuts

Answers

B. Because it’s 0, 0 so zero bags

Answer:

Step-by-step explanation:

Find the whole.
20% of ___is 18.
Explain your method.

Answers

Answer:

Step-by-step explanation:

Hi there !

20% .........................18

100% ..........................x

x = 100×18/20 = 1800/20 = 90

Good luck !

20% of 90 is 18 so the answer would be 90

What is the equation of the line shown in the graph?

Drag and drop the expressions to write the equation of the line in slope-intercept form.

y=_+_

Answers

Y=2x+4 the slope is 2 because it has a rise of 2 and a run 1 which means it goes up 2 and goes to the right 1 and the y intercept is 4 which makes the equation y=2x+4

y=2x+4. i’m pretty sure

Mr. Hernandez opened a flower shop. He took a random survey by asking every 5th customer to find out their favorite flower. Who is the sample?

all the customers
every 5th customer
all the flowers
all the people in the town

Answers

every 5th costumer i think

Answer:

sample: every 5th customer

Hope this helps!!!

Please help me I will give you the brain thing and extra points.
What is the equation of this line? image below

y=14x−6

y=6x−14

y=6x−4

y=4x−6

Answers

Y=4x-6
The equation is y=Mx+b
M=Slope
B=Y-intercept

Answer:

y=1/4x-6 i think

Step-by-step explanation:

I tried and i really hope this helped you im not really an expert

You are canning 40 cups of applesauce. You have 20 glass jars, each of which will hold 134 cups of applesauce. Choose the correct explanation(s) that explain why you do not have enough jars.

Answers

Answer:

You DO have enough jars! I do not understand!

Step-by-step explanation:

You are only canning 40 cups. This will be filled in less than one jar!

You do have enough cups

What is the length of the hypotenuse of the triangle?

Answers

Step-by-step explanation:

Hey there!

Here;

ABC is a Right angled triangle.

Taking reference angle as angleA.

Now;

Hypotenuse (h) = AB

Perpendicular (BC)= 24 ft.

Base(AC)= 10 ft.

Now, Using Pythagoras relation;

[tex]h = \sqrt{ {p}^{2} + {b}^{2} } [/tex]

Put all values.

[tex]h = \sqrt{ {24}^{2} + {10}^{2} } [/tex]

Simplify it.

[tex]h = \sqrt{576 + 100} [/tex]

[tex]h = \sqrt{676} [/tex]

Therefore, h= 26ft.

ANS: OPTION A.

Hope it helps....

Answer:

A. 26ft

Step-by-step explanation:

h= 26ft

Sam spins a spinner with 4 sections labeled 1/9, 1/6, and 1/3. What fraction is missing?

Answers

Answer:I’m guessing 1/12

Step-by-step explanation: because it looks like it’s skip counting by 3

Photo is below; Giving brainliest

a.135 in^2
b.286 in^2
c.537 in^2
d.201 in^2

Answers

Answer:

EZ is c.537in^2

It’s letter c. 537 in^2

TIMED UNIT TEST

Hector must find the sum of 50 + 83 + 50 by using mental math. Which property allows Hector to simplify the equation to 50 + 50 + 83 and find an equivalent sum?

associative property
commutative property
distributive property
identity property

Answers

distributive property
because you can move the numbers around to get your answer

Please help me with this problem

Answers

Answer:

The answer is 1.

Step-by-step explanation:

add 5 both sides

8y=8

divide 8 on both sides = 1

Answer:

It's an open circle at +1 going to -10 or <-----o

Step-by-step explanation:

Help!!!!! This is the last one.

Answers

Answer:

C. 12 pages

Step-by-step explanation:

Doreen can get done 2 pages in 5 minutes. there is 30 min in half an hour so 5÷30=6

6x2=12

sorry I am not The best in explaining.

i think it’s 6. because it’s 60 min / 5min = 12 / 2 = 6

If 9 fully loaded trucks carry a total of 140,400 pounds, how many pounds can 3 trucks carry?

Answers

Answer: 7000,200 pounds

Step-by-step explanation:

Answer:

46,666.7 pounds for three trucks.

Step-by-step explanation:

Set up a proportion. Find out what 1 truck will carry.

x/1 = 140,000 pounds/9 I take that the period should be a comma.

x = 15555.6 pounds

Now Three trucks out to carry 3 times as much.

3*15555.6 = 46666.7 pounds

At the fabric store, ribbon is sold by the foot. If Brooklin wants to make 84 bows, how many feet of ribbon must she buy?
I NEED TO FINISH THIS IN A FEW SECONDS, HELPP

Answers

Answer:

need more info

how many feet is the bow

How much ribbon does 1 bow take up?

So I was doing a hooda math escape game, and forgot how to do these. Can you help me?

Answers

Pi * r ^ 2 that’s house help you out with what you need hunn

Bruh I can’t see anything it’s so blurry :/

What mixed number has the same value as 27/4?

Answers

Answer:

D '' '' '' '' '' '' '' '' '' '' '' '' '' ''

So I was doing a hooda math escape game, and forgot how to do these. Can you help me?

Answers

to find the radius you divide the circumference by 2pi

area is pi times radius to the 2nd power

Petri did the following problem but got the wrong answer. She needs to correct her mistake and turn the problem back in.

(5 - 3) 2 ÷ 3 • 7 + 1

25 - 9 ÷ 3 • 7 + 1

25 - 3 • 7 + 1

25 - 21 + 1

4 + 1

5

What correction does Petri need to make?

A. She needs to multiply 3 times 7 before she divides.
B. She needs to change 25 to 10.
C. She needs to add before she multiplies.
D. She needs to subtract 5 - 3 first.

Answers

Answer:

Im not 100% on this but i think its D

Step-by-step explanation:

Answer:

The answer is d.

Step-by-step explanation:

Question 5
Josh is inviting his friends to a party. He has 42 granola bars and 56 fruit drinks, and he wants to give the same number of each item to each friend.

What is the correct statement for the number of granola bars and fruit drinks each friend can have at his party?

A
At most, Josh can invite 28 friends to the party. If he invites that many friends, each will receive 1 granola bars and 3 fruit drinks.

B
At most, Josh can invite 42 friends to the party. If he invites that many friends, each will receive 1 granola bars and 2 fruit drinks.

C
At most, Josh can invite 7 friends to the party. If he invites that many friends, each will receive 6 granola bars and 8 fruit drinks.

D
At most, Josh can invite 14 friends to the party. If he invites that many friends, each will receive 3 granola bars and 4 fruit drinks.

Answers

Answer:

Step-by-step explanation:

7x6=42

8x7=56

Analyze the graph below and answer the question that follows.

Carefully study the chart above. In which countries are a majority of people Christians?

A.

Barbados only

B.

Barbados and Brazil only

C.

Barbados, the Dominican Republic, Brazil, and Mexico

D.

In none of the countries are a majority of people Christians.

Please select the best answer from the choices provided

A

B

C

D

Answers

Answer:

Explanation:

predator 3

The answer is c because it is 65%

A stone is dropped off
the edge of a cliff, and it falls for 4.8s before striking
bottom. Approximately how far above the bottom is
the cliff edge, assuming zero air resistance?

Answers

Answer:

y=(1/2)at^2

y=(1/2)(9.8 m/s/s)(4.8 s)^2

y=60.025 m

Step-by-step explanation:

Sry if not right

Choose two numbers from this list: 3, 4, 6, 12. Explain the difference between finding the greatest common factor and least common multiple of the two numbers.

Answer in at least 2 complete sentences.

Answers

For example let’s pick 6 and 12. To find the greatest common factor, you will break down the number into the numbers you can multiply to get 6 or 12 as much as you can until you reach a prime number.
Now to find the least common multiple, you can set two tables, one of the multiples of 6 and another of the multiples of 12 and see what numbers they have in common and select the smallest number of the multiples they have in common.

What he said I’m just here for the clout

HELP PLEASE I NEED IT NOW

Answers

Answer:

3rd option(more than 45)

Step-by-step explanation:

6-3=3

the difference in each person's cost

how many people it takes to make up the 135 dollars extra

135/3=45

Sammy buys his clothes at SuperDuper Discount Store. On Saturday, he bought shoes regularly priced at $40 for 25% off, and a jacket regularly priced at $100 for 30% off. What is the total amount that he will have to pay? (Omit sales tax.)

Answers

you would have 10% chance

Step-by-step explanation:

I know, that's probably a lot to take in! :D

40 × 25% = 10

40 - 10 = 30

The final price of the shoes is $30.

100 × 30% = 30

100 - 30 = 70

The final price of the jacket is $70.

30 + 70 = 100

A N S W E R:

The total price of the items Sammy bought (no including sales tax) is $100.

Can someone help me with these questions. (Answer 1 or answer them all I don't care.)

Answers

The answer to the first one is 6.5

Answer:

1 is 6.5 2 is b 3 is A

Step-by-step explanation:

Put the following fractions in order from least to greatest, 1/8 2/5, 3/5, 1/6 1/4, 2/3, 1/3

Answers

Answer:

Order from Least to Greatest

1/8 < 1/6 < 1/4 < 1/3 < 2/5 < 3/5 < 2/3

Step-by-step explanation:

A fraction is a way to describe a part of a whole. The given fractions can be arranged as shown below.

What is a Fraction?

A fraction is a way to describe a part of a whole. such as the fraction ¼ can be described as 0.25.

In order to put the following fractions in order from least to greatest, we need to take the LCM of the fraction so that all the fractions have the same denominator.

1/8, 2/5, 3/5, 1/6, 1/4, 2/3, 1/3

Since the LCM of 3, 4, 5, 6, and 8 is 120. Therefore, the fractions can be written as,

1/8 = (1/8) × (15/15) = 15/120

2/5 = (2/5) × (24/24) = 48/120

3/5 = (3/5) × (24/24) = 72/120

1/4 = (1/4) × (30/30) = 30/120

2/3 = (2/3) × (40/40) = 80/120

1/3 = (1/3) × (40/40) = 40/120

Now, the fractions can be arranged as,

15/120 < 30/120 < 40/120 < 48/120 < 72/120 < 80/120

Rewriting the fraction in there original form,

1/8 < 1/4 < 1/3 < 2/5 < 3/5 < 2/3

Learn more about Fraction:

https://brainly.com/question/1301963

#SPJ2

PLEASE HELP, ASAP!!! I WILL GIVE A THANKS, 5-STAR RATING, AND BRAINLIEST!!!
*Also, please include the coordinates of the new line and fill the blanks*
*If can't do all, at least do half*

Answers

Number 7 I think it is not sure

70% of ___ is 35.
Explain your method.

Answers

Answer:

its 50 thats the answer

Step-by-step explanation:

and also echo2155 stop deleting my answers right now

its annoying and i don't like it

(b+13)/2 = 5b/1.5
solve for b using scale factor.
Guys I'm completely lost... Can you please show your work so I know how to get the answer for future problems like this!!

Answers

Doesn’t look middle school to me

Answer:

Step-by-step explanation:

(b+13)/2=5b/1.5

We move all terms to the left:

(b+13)/2-(5b/1.5)=0

We add all the numbers together, and all the variables

(b+13)/2-(+5b/1.5)=0

We get rid of parentheses

(b+13)/2-5b/1.5=0

Which algebraic expression represents “the apples were divided equally into seven boxes”? 7 + a 7a StartFraction 7 Over a EndFraction StartFraction a Over 7 EndFraction

Answers

Answer:

ITS D

Step-by-step explanation:

Answer:

The answer is D on e d g e n u i t y

Step-by-step explanation:

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