Mathematics Middle School

please help me i dont udnerstand this at all

Answers

Answer 1

Answer:

Step-by-step explanation:

-(x) so -(12)=-12

(-12,-19)

Related Questions

help for brainliest plz

Answers

Answer:

1) C

2) 1st, 3rd and 4th.

3) [tex]7.625 * 10^3[/tex]

5) A

6) [tex]8.749*10^5[/tex]

7) B

1) C, for scientific notation you must have have a one-digit number for the base and the rest of the numbers would be on the decimal place. Also, and negative exponent makes the base number smaller rather than bigger
2) C and D
5) A
6) .0000932-.00000571= 0.00008749
7) 32000000/4000= 80000

4 x 3 + 2 x 9 - 40
PLEASE!!!

Answers

The answer is 86

Following PEMDAS, which is:

parentheses

exponents

multiplication

division

addition

subtraction

I found that the answer was 86

Answer:

-10.

Step-by-step explanation:

Step 1: Explain/define

This problem contains more than one operation. This means we should solve this using a special acronym known as PEMDAS.

P (Parenthesis)

E (Exponents)

M/D (Multiplication/division, whichever comes first)

A/S (Addition/subtraction, whichever comes first)

This is the correct sequence of steps when solving expressions with multiple operations.

PEMDAS can be remembered using the mnemonic "Please Excuse My Dear Aunt Sally."

------------------------------------------------------------

Step 2: Solve.

REMEMBER PEMDAS!

Expression given: 4 × 3 + 2 × 9 - 40

There are no parentheses.

There are no exponents.

There is multiplication, but no division.

4 × 3 + 2 × 9 - 40

12 + 18 - 40

There is addition and subtraction. Remember to solve whichever comes first.

12 + 18 - 40

30 - 40

30 - 40 = -10.

I, therefore, believe the answer to 4 × 3 + 2 × 9 - 40 is -10.

Please let me know if you have any further questions.

Classify this triangle.

A triangle with two sides of equal length. The angle where these two sides meet is ninety degrees.
A. Acute scalene triangle
B.Obtuse isosceles triangle
C. Right isosceles triangle
D Right scalene triangle

Answers

It is a right isosceles triangle, C

A triangle with two sides of equal length and the angle where these two sides meet is 90° is Right isosceles triangle. Therefore, option C is the correct answer.

What is a right triangle?

A right angled triangle is a triangle with one of the angles as 90 degrees. A 90-degree angle is called a right angle, and hence the triangle with a right angle is called a right triangle.

A right triangle with two equal-length legs is called an isosceles right triangle. The corresponding angles would also be congruent because the lengths of the two legs of the right triangle are equal. As a result, the two acute angles and two legs of an isosceles right triangle are congruent.

Therefore, option C is the correct answer.

To learn more about the right angle triangle visit:

https://brainly.com/question/3770177.

#SPJ3

i need help 8t math plz

Answers

Answer:

Step-by-step explanation:

The answer is 6328 !!!!b!bn!b!.):)/)):

Please answer!

If Shayla builds a sand castle with dimensions twice as large as the dimensions of Shelly's winning castle, will Shayla need twice as much sand? Provide and argument to justify your response.

pls dont forget to explain why

Answers

Answer:

I would say no

Step-by-step explanation:

I say no because Shayla's dimensions are twice the size does not mean that there is a need for double the amount of sand but I could be wrong.

Answer:

Explanation:

Textbook answer: She will need 8 times as much sand. In any of the volume formulas, if the dimensions are all doubled, the volume increases by a factor of 8.

My answer: double = 2. Cubed = ^3. 2^3 = 8

PLEASE HELP I CANNOT FAIL! (the question is the picture below!)

Answers

Answer:

The answer is A

Step-by-step explanation:

What is the equation of the quadratic that models the data? 15pts!!!!

Answers

D.

Let, x= number of $2 increase in price and y= revenue.
So, we are given the data,
x y
1 1045
3 1105
5 1125
7 1105
9 1045
So, using the regression calculator, we get that,

The answer is B!!!!!!!!

help me find this area of this triangle

Answers

Answer:

Step-by-step explanation:

Triangle's Area Formula

(Base*Height)/2

(9*12)/2

108/2

=54

Answer:

54 u²

Step-by-step explanation:

finding the area of a rectangle, we need the formula: A=1/2bh

A=1/5(9)(12)= 54

54 u²(since they dont give us any units)

My last review question before the big test! Can anyone explain this one to me? It's percentages cri

Answers

Answer:

B. 5000

Step-by-step explanation:

To solve this I did 873x10.99 and got 9594.27

I did 52% of 9594.27 and got 4989.02 which means it'll be about 5000

The correct answer is B. Hope this helps

Please help me on this.

Answers

A dozen is 12, and so 2.5 dozen is 30, so 30 muffins require 1.25 cups of flour, so it should be 5 cups of flour for 10 dozen muffins.

Its would be 5 cups of flour.
Explanation: The ratio is 2.5/1.25 and you’re trying to find 10/x First you divide 10 to 2.5 which equals 4, then use to the 4 and multiply 1.25 and you get 5. Aka x. I hope this explanation helped :))

1/9 * 1/2 ^ 4 (as a fraction)

Answers

The correct answer is 1/144
The other persons answer is not correct

1/144 hope this helps

Which point on the number line represents a drop in temperature of 3 degrees from 0 degrees?
A
B
C
D

Answers

It is A hope this helps:)

Draw a diagram of x + 2 and a separate diagram of 3x when x is 2.

Answers

Answer:

Gettysburg outsmarted undisciplined

WILL GIVE BRAINLest!!!!

Answers

Answer:

C. -1/3

Step-by-step explanation:

Slope of line is y=-1/3x+4/3

hence the line parallel would be -1/3

Answer:

C. -1/3 is the slope to any line parallel to line q.

Step-by-step explanation:

Have a nice day!

PLS HELP PLS THIS IS URGENT PLS I WILL GIVE CROWN PLUS 40 POINTS PLSS

A shelf has different sizes of bottles of laundry detergent. This line plot shows the number of cups of laundry detergent in each bottle. Jada buys one of the bottles of laundry detergent that has the fewest bottles on the shelf. She uses 1/8 cup in each load of laundry she does.

How many loads of laundry can Jada do with her bottle of laundry detergent?

Enter your answer in the box.

____loads

Answers

Answer:

2 / 3 loads

Step-by-step explanation:

From. The plot, we can conclude that, the detergent that has the most bottles is that with 5 ; the number of cups in the detergent with 5 bottles is 12 cups

Number of cups used for each load of laundry = 18 cups

The loads of laundry Eric can do is thus :

Number of cups of detergent / number of cups used for each load of laundry

= 12 / 18

= 2 / 3 loads

HELP ASAP!! I HAVE TO TURN THIS IN,

The high temperatures for Monday and Tuesday are graphed on the number line below. The high temperature on Wednesday is the least of the three days. Which inequality correctly compares Wednesday’s high temperature, w, with the temperatures graphed on the number line?

Answers

Answer:

-0.5

Step-by-step explanation:

-0.5 I’m not really sure Though

(PLEASE HELP!!! THIS IS TIMED!! I WILL MARK THE BRAINIEST IF YOUR ANSWER IS CORRECT!!!)

Directions: Write the equation of the line in fully simplified slope-intercept form.

Answers

Answer:

y=3x-1

Step-by-step explanation:

Y=3/1 -1. Because -1 is where the y-int is and it’s going up by 3 over 1

The school is planning to add 2 new playgrounds. Each playground will be in the shape of a square that measures m by m. What will be the area of the playgrounds?

Answers

MxM + MxM I’m not sure in what format you want me to put it in

Hi bro you can check the pic and substitute the length and breadth of given playgrounds accordingly.please mark me as brainlest

Ncjc pls help help help help help help help helperlorororl dhhdhdjdjdjdkdkdkxlxzllzllz

Answers

Well the only addition is that there should be an arrow pointing from the trout to the mayfly nymph. The first correction is that the arrow in between the trout and dragonfly nymph should be flipped because the dragonfly nymph gets eaten by the trout, not the other way around. The second correction is that since the dragonfly nymph eats the mayfly nymph, the arrow between them should also be flipped. Now you just need two explaining sentences:)

Please help me answer! :)
(the question can have more than once answer if multiple are correct)

Answers

Answer:

b,d,e

Step-by-step explanation:

3(4x+3)=12x+9

b)3(3+4x)=9+12x

=12x+9

d)4x+3+4x+3+4x+3=4x+4x+4x+3+3+3

=12x+9

e)12x+9

3(4x+3) distributive property
12x+6

a)12x+3 (not the right one)

b)3(3+4x)=6+12x (correct) ✅

c)7x+6 (not the right one)

d)4x+4x+4x+3+3+3=16x+9 (not the right one)

Use the information to answer the following question.

The bottom of a swimming pool is 10 feet below the surface of the water in the pool. The surface of the water is represented by the number 0, and the bottom of the pool is represented by the number -10. The pool’s diving board is the same distance above the surface of the water as the bottom of the pool is below the surface of the water.

What number represents the location of the diving board?

A.
20

B.
0

C.
10

D.
1/10

Answers

Answer:

Step-by-step explanation:

Since the difference between 0 and -10 is 10, this means that the difference between the diving board and the pool also has to be 10. Therefore, the diving board is 10 feet above the water since 0+10 is 10.

C. since it’s above the surface of the pool which is 0 it’s at a positive elevation of 10

help me please asap im confused

Answers

The Answer is:

pls give me brainiest

Answer:

The answer B

Step-by-step explanation:

When the water falls from the reservoir, the channel guides it to a turbine where the turbine spins to generate electricity. I don't really know of any other way to explain it to you.

Hope you get it now :)

There are 8 boys for every 3 girls at a concert. If there are 220 people at the concert, what is the difference between the total number of boys and girls at the concert?

Answers

Answer:

100

Step-by-step explanation:

First we get the ratio of 8:3 for the amount of boys to girls.

Assuming there are no other parts,

the Whole = A + B is the denominator:

Whole = 8 + 3 = 11

Part A = 8 and Part B = 3 are numerators for each fraction.

The fractions are then:

8/11 and 3/11

8/11 for boys

and 3/11 for the girls

Now we just multiply 220 by these fractions:

220 * 8/11 = 160

220 * 3/11 = 60

Then subtract:

160 - 60 = 100

Answer:

There are 60 girls and 160 boys

Step-by-step explanation:

Draw a line representing the "rise" and a line representing the "run" of the line. State the slope of the line in simplest form. (PLEASE HELP!!!!!! THIS IS TIMED!!!!!! PLEASE HELP!!!!!!)

Answers

Answer:

1/4

Step-by-step explanation:

-7 - -9/4- -4

2/8 = 1/4

HELP AND QUICK
Which solid can be made from the above pattern?
A
a cube

B
a cone

C
a cylinder

D
a square pyramid

Answers

D a square pyramid
Beachside of the triangles and the square in the middle

Answer:

D or A

Step-by-step explanation:

i think but dont trust me i hope so

PLS HELP 20 POINTS
what are the approximate dimensions for a cylinder that has a volume of 5000cm^3? show your work?

Answers

Answer:

Step-olayyby-step explanation:

WILL GIVE BRAINlest!!

Answers

Answer:

C. i think :)

Step-by-step explanation:

sorry if I'm wrong :(

hope it helps

I think it’s c hope this helped

Find the volume of the prism.

Answers

Answer:

210 is volume

Step-by-step explanation:

volume is equal to length times Width times Height

8 1/3 times 4 1/5 time 6

= 210

have a wonderful day!

The formula to be able to find the volume of a prism is V=Bh.
V= 210
Base= 8 1/3 times 4 1/5 after multiplying you multiple it by 6. And you should get 210

Write an equation in simplest form for:
y is x divided by 17 plus 17.

Answers

Answer:

y = x/17 + 17

Step-by-step explanation:

Y = (X/17) + 17

Hope this helps

In the similar quadrilaterals below, what is the measure of ∠G?

218°
54.5°
98°
109°

Answers

Answer: your awnser would be 109

Step-by-step explanation: MARK ME AS BRAILIEST! PLS!!

Answer:

The answer is 109

Step-by-step explanation:

Its 109 cause I copied lol

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