Mathematics Middle School

What is -4\sqrt{12}+\sqrt{75} in simplest radical form?

Pls help I really need this :/

Answers

Answer 1

Step-by-step explanation:

-4√12 + √75

= -4√4√3 + √25√3

= -4(2)√3 + (5)√3

= 5√3 - 8√3

= -3√3.

Answer 2

Here is the answer along with steps on how to solve this problem :)

$What Is -4\sqrt{12}+\sqrt{75} In Simplest Radical Form?Pls Help I Really Need This :/$

Related Questions

will mark brainliest for who can answer these

Answers

Answer:

6. it is a square because all of the outer sides are equal

3. perpendicular because the slopes are reciprocals of eachother and the lines would form 90 degree angles

I know 6. Is a square because it’s outer angles are equal

Please help! These are composite figures, find the area of the figure and round your answer to one decimal place, if necessary.

Answers

Answer:

270 in sq

Step-by-step explanation:

multiply 13 and 20 and 1/2 then 7 and 20 add the values at the end

I need help with this question that's attached

Answers

The answer is a certain combination of numbers or letters and spaces and maybe symbols that I will no tell
Explanation: common sense dude XD

What is the answer to 2b + 8- 5b + 3 = -13 + 8b - 5

Answers

Answer:

2 8/11 = b

Step-by-step explanation:

2b + 8 - 5b + 3 = -13 + 8b - 5

combine like terms

11 - 3b = -18 + 8b

add 3b

11 = -18 + 11b

add 18

29 = 11b

divide by 11

2 8/11 = b

B= 2 7/11

EXPLANATION : 2b-5b = -3b & 8+3 =11 , that’s leaves you with 3b+11=-13+8b-5 . do it to the other side . -13-5=-18 . leaves you with the equation -3b+11=-18+8b !!
move the variable to the left side & the constant to the right . which leads you to -3b-8b=-18-11 !! combine like terms & that takes you to -11b=-29 !! Divide both sides by -11 which makes B = 29/11 which is equivalent to 2 7/11. or 2.63

Math Integers Please Help!!!

Matt first deposits $50 dollars into his bank account. The following week he withdraws $68. What integer represents the amount of money in his bank account?

Answers

Step-by-step explanation:

50 he puts in his bank then he takes 68 so he doesn't but have enough he took 18 dollars more that he does not have so it's 50-68= -18

so he now he has to give the bank 18 dollars

i think it might be that

Shanya went to the salon. The cost of her haircut was $56.00. He tipped the barber 15%.What was the total cost?

Answers

15% of 56.00 is 8.4.

56 + 8.4 = 64.4

The total cost is 64.4 $

$64.40 dollars is the total cost with cost and tip included

Sue has to cut her grandma's grass this weekend and wants to know exactly how much area she will be cutting. Calculate the area of the polygon. Be sure to show all your work and explain your answer.

Answers

Answer:

Six-sided polygon that includes two isosceles right triangles, one with height and base of 25 feet,

Total area = triangle 1 area + triangle 2 area + rectangle area= 312.5 + 32 + 280 = 624.5

Triangle1 area = height × base2

Triangle1 area = 25 × 252/ = 312.5

The other height and base of 8 feet,

Triangle 2 area = height × base2

Triangle 2 area = 8 × 8/2= 32

And one rectangle measuring 35 feet by 8 feet

Rectangle area = height × base

Rectangle area = 35 × 8 = 280

The area of the polygon is 624.50 ft².

The shapes in the polygon.

The area of the polygon can be determined by adding the areas of the shapes in the polygon. The polygon is made up of two right triangles and a rectangle.

Area of a triangle = [tex]\frac{1}{2}[/tex] x base x height

Area of a rectangle = length x width

Area of the polygon

Area of the rectangle

Width = 8 feet Length = 35 feet

Area = 35 x 8 = 280 ft²

Area of the triangles

Area of the bigger triangle

Base = 33 ft - 8ft = 25 ftLength = 25 feet

Area = 1/2 x 25 x 25 = 312.50 ft²

Area of the smaller triangle

Base = 43 ft - 35ft = 8 ftLength = 8

Area = 1/2 x 8 x 8 = 32 ft²

Area of the polygon = 32 ft² + 312.50 ft² + 280 ft² = 624.50 ft²

To learn more about rectangles, please check: https://brainly.com/question/16595449

Brandon bought 14 2/5 pounds of clay to build a volcano for his science project. He used 10 1/2 pounds of clay on his project. How many pounds of clay does he have left?

A. 3 1/10
B. 3 2/5
C. 3 9/10
D. 3 1/3

Answers

Answer:

3 9/10 or 3.9 as decimal

Step-by-step explanation:

just subtract

Answer: it will be C
Explanation: 14 minus 10 is 4.
I’m going to make 2/5 4/10 and just minus 5/10 that will make it so that will make it 3 9/10

y=-|x-5|
What is the axis of symmetry?

Answers

Answer:

The equation given to us is in the Standard form

where

and

−

The Axis of Symmetry is given by the formula

−

⋅

is the Axis of Symmetry of the Parabola with the equation

−

Step-by-step explanation:

The axis of symmetry would be x=5

Denny made % pound of pasta salad and % pound of potato salad to take to
a barbecue. How many pounds of pasta and potato salad combined did
Denny take to the barbecue?
1. What is the LEAST common denominator/multiple?

Answers

Answer:

1 and 5/12 pounds

hope it helps

Your pay increased from $230 to $250 per week. What is the percent increase of your weekly pay?
SHOW WORK PLEASE

Answers

Answer:

20%

Step-by-step explanation:

250-230=20

20%=46

Answer:

8.70%

Step-by-step explanation:

pls answer if i dont get good grades i wont be able to play soccer

Answers

Answer:

It’s A you are correct kid

Step-by-step explanation:

Megan spent one-fourth as much as Hannah, who spent d dollars.
Emily spent ten dollars more than Megan.
Kyle spent three dollars less than Emily.
Which expression represents the amount Kyle spent?

A. d/4 + 7
B. d/4 + 13
C. 4d + 7
D. 4d + 13

I don’t really understand this question, so please help if you can!!

Answers

Answer: b

Step-by-step explanation: if I’m wrong tell me

Answer: B

Explanation:

Find the value of . A. 3 B. 5 C. 25 D. 375

Answers

Answer:

ANSWER IS 5!!! hope this helps

B!! the square root is 5

2.5(12.75x + 24.50) = 188.75
1. Simplify both sides of the
equation
(remove parentheses
and/or combine like terms).
2. Use inverse operations and
properties of equality to
"undo" what is happening to
the variable. (use the
reverse order of operations
because we are undoing)
3. Check your answer by
substituting your answer
into the original equation.

Answers

Answer:

Step-by-step explanation:

First, in order to get rid of the parenthesis, you need to multiply 2.5 with whatever is in the parenthesis.

Multiply 2.5 on each side of the equation like this:

(12.75 x 2.5) (24.50 x 2.5) =188.75

Once you're finished, you should get 61.25 and 31.875x =188.75

Now in order to find 'x' you will need to subtract 61.25 to each side of the equation like this:

61.25 - 61.25 = 0

188.75 - 61.25 = 127.5

So now your equation should look like this:

31.875x = 127.5

You have to divide 31.875 by each side now.

Once you divide them, your final answer should be 4.

so x = 4.

I really hope this helps! ^^

X=4

That’s the answer

......Help plssssssssssss.........

Answers

Answer: 18

Step-by-step explanation:

Answer:

12/100 X 150= 18

18 gallons

On a large baking tray, 40 cookies can be baked together. To bake 40 cookies it takes 14 minutes, for baking 80 cookies it takes 28 minutes, for baking 100 cookies it takes 42 minutes. How much time will it take to bake 140 cookies?

A-49 B-56 C-57 D48

Answers

the answer is B (56) because it states that it takes 14 minutes to bake 40 cookies, and you already have 100 cookies so you would just add the time it took to bake 40 cookies which would be 42+14=56

Gina made 9,350 mL of chicken noodle soup. She packed 1.8 L of the soup in her kids' lunches. She froze the rest of the soup.

How many milliliters of soup did Gina have left to freeze?

Answers

It is 7,550 milliliters

Gina had to 7,550 milliters of soup to freeze.

Water goes over Niagara Falls at a rate of 180 million cubic feet every 1/2 hour. How much water goes over the falls in 1 minute?

Answers

Answer:

6 million cubic feet

Step-by-step explanation:

6 million cubic feet in 1 minute that should be correct with my calculations

Will mark brainliest

Select the correct answer.
Which is an advantage of sexual reproduction over asexual reproduction?
A.
increased number of organisms and decreased genetic variation
B.
increased genetic variation
C.
doesn’t require an organism to find a mate
D.
decreased genetic variation
E.
decreased genetic variation and decreased number of organisms

Answers

Answer:

the answer is B

Step-by-step explanation:

What persent is 3/250 also pls enculde expliantion

Answers

1.2%

3/250 = 0.012

0.012 x 100 = 1.2%

3/5 of a club are 12 years old. If there are 35 members in the club, how many members are age 12? ____ member are age 12.

Answers

Answer:

Step-by-step explanation:

35 times 3/5

multiply 7 by 3

Answer:

Step-by-step explanation:

A sign in a bakery gives these options:

15 cupcakes for $26
24 cupcakes for $42
40 cupcakes for $66
Find each unit price to the nearest cent, and show your reasoning.
Which option gives the lowest unit price?

Answers

Answer:

The lowest unit price would be last option

Step-by-step explanation:

We must divide the price by the amount of cupcakes we will be getting. Once we do that we'll get:

A. 1.77 cents

B. 1.75 cents

C. 1.65 cents

Hope this helped

Answer:

40 cupcakes for $66

Step-by-step explanation:

To find the unit price of something, dived the total amount by how may there are.

$26 divided by 15 cupcakes would be $1.7333333333, but if you round it up, it would be $1.74

$42 divided by 24 cupcakes would be $1.75

$66 divided by 40 cupcakes would be $1.65

PLZ HELP MEEEEEEEEEEEEE

Answers

Answer:

Ill do this quick...

Its B.

Step-by-step explanation:

please help ill give brainliest

Answers

Answer:

The second one

Step-by-step explanation:

Answer:

The second oneee

Step-by-step explanation:

the mark that I don't know how to do on a phone is greater than or less. from the question, we know it can be exactly 20.

40 POINTS!
A square pyramid is shown:

What is the surface area of the pyramid?

A. 2.46 square feet
B. 8.76 square feet
C. 5.16 square feet
D. 1.56 square feet

Answers

Answer:

B.76 square feet

Step-by-step explanation:

SA=B+L

Answer: B) 8.76 square feet

=========================================================

Explanation:

The base is a square with side length 0.6 ft, so the base area is 0.6*0.6 = 0.36 square feet.

Each lateral triangular panel has base 0.6 ft and height 7 ft. The area of one triangle is 0.5*base*height = 0.5*0.6*7 = 2.1 square feet

So four of these triangles combined give a lateral surface area of 4*2.1 = 8.4 square feet. Add this onto the base area to get 8.4+0.36 = 8.76 square feet of total surface area.

25 points and brainiest

Describe or show two different ways to find the volume of a right rectangular prism with dimensions of 9 centimeters by 7 centimeters by 12 centimeters.

Answers

answer: 756 cm

explanation: You can multiply the length(9) by the width(7) and multiply by the height(12), or you can multiply by the height first then the width and last the length.

Help please!! Will mark as brainliest

Answers

Answer:

Step-by-step explanation:

i guess

I think it’s letter B,I guess

I AM GOING TO ASK THIS ONE MORE TIME CAN SOMEONE PLEASE HELP ME WITH THESE 4 QUESTION ITS REALLY IMPORTANT I WILL GIVE YOU BRAINLIEST PLEASE DONT PLAY AROUND YOU DONT UNDERSTAND HOW IMPORTANT THIS IS

Answers

Answer:

8, 4, 3.5, 6

Step-by-step explanation:

You basically add to each side what they added to one side. The property tells you you can add the same thing to both sides like y=x and y+4=x+4

can yall do this for 10 pints?

Tony is writing a fraction equivalent to 2/7 using the formula 2×m 7×n. Which statement about m and n must be true so that Tony's fraction has the same value as 2/7?

Answers

m and n must be equal!

Answer:

Ummm no

Step-by-step explanation:

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What is -4\sqrt{12}+\sqrt{75} in simplest radical form? Pls help I really need this :/

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What is -4\sqrt{12}+\sqrt{75} in simplest radical form?

Pls help I really need this :/