Mathematics High School

Please answer these last four questions.

Answers

Answer 1

Answer:

numbwer 8 is 44.04

Step-by-step explanation:

plz put brainliest

Related Questions

Find two fractions, when multiplied together make 3/4

Answers

Step-by-step explanation:

9/12 if we divided by 3

6/8 if we divided by 2

hope it helps u

The two fractions when multiplied together make 3/4 are, 1/2 and 3/2.

What is a fraction?

A fraction is written in the form of p/q, where q ≠ 0.

Fractions are of two types they are proper fractions in which the numerator is smaller than the denominator and improper fractions where the numerator is greater than the denominator.

The first fraction can be 1/2 when multiplied by the second fraction 3/2.

Therefore,

The two fractions, when multiplied together make 3/4 is (1/2)×(3/2).

= 3/4.

learn more about fractions here :

https://brainly.com/question/10354322

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Can you guys give a Ratio problem for my class?

Answers

Answer:

Step-by-step explanation:

) Write an expression that is equivalent to -4(3x – 7).
-4(3x - 7) =

Answers

Answer:

-12x+28

Step-by-step explanation:

if correct plz mark as brainliest

thank you

19NBoli

Answer:

-12x - 7.

Step-by-step explanation:

Hope this helps!

the perimeter of the floor of a room is 18 metre and its height is 3 cm what is the area of 4 walls of the room

Answers

Note: The height of the room must be 3 m instead of 3 cm because 3 cm is too small and it cannot be the height of a room.

Given:

Perimeter of the floor of a room = 18 metre

Height of the room = 3 metre

To find:

The area of 4 walls of the room.

Solution:

We know that, the area of 4 walls of the room is the curved surface area of the cuboid room.

The curved surface area of the cuboid is

[tex]C.S.A.=2h(l+b)[/tex]

Where, h is height, l is length and b is breadth.

Perimeter of the rectangular base is 2(l+b). So,

[tex]C.S.A.=\text{Perimeter of the base} \times h[/tex]

Putting the given values, we get

[tex]C.S.A.=18\times 3[/tex]

[tex]C.S.A.=54[/tex]

Therefore, the area of 4 walls of the room is 54 sq. metres.

16. Jason purchased a used vehicle that depreciates under a straight-line method. The initial value of the car is $5000, and the salvage value is $500. If the car is expected to have a useful life of another 5 years, what will its value be in 1 year?

Answers

Answer

1,500? I think any way.

Step-by-step explanation:

5,000 divided by 5 = 1,000

1,000 + 500 = 1,500

Answer:

1,500

Step-by-step explanation:

and jeez the other kid was just having fun

The following graphs are transformations of f(x) = x^2.

Complete the boxes below to describe the transformations.

A(x) = f (x + _) + _
B(x) = f (x + _) + _
C(x) = f (x + _) + _
D(x) = f (x + _) + _

Answers

Step-by-step explanation:

Let's look at A(x) and see how it is different from f(x)

it is shifted downwards by 8 unitsit is not shifted to the left or the right

Therefore A(x) = f(x) - 8

Let's look at B(x) and see how it is different from f(x)

it is not shifted downwards or upwardsit is shifted to the left 7 units

Therefore B(x) = f(x + 7)

Let's look at C(x) and see how it is different from f(x)

it is shifted upwards by 4 unitsit is shifted to right by 5 units

Therefore C(x) = f(x - 5) + 4

Let's look at D(x) and see how it is different from f(x)

it is not shifted downwards or upwardsit is not shifted to right by 12 units

Therefore D(x) = f(x - 12)

how do I find the area of the composite figure?

Answers

A = 119.4in^2

hope it's helpful ❤❤❤❤

THANK YOU.

the crowd at a sporting event is estimated to be 3000 people. the exact attendance is 2486 people. what is the percent error? pls help :)

Answers

Answer:

%error is the difference between the expected and actual 3000-2486=514 514/3000= 17.33% error

Andy buys 8 juice boxes. Each juice box contains 6.25 ounces of juice. How much juice did Andy buy?

Answers

Answer:

8*6.25=50

Step-by-step explanation:

Which expression is equivalent to ^3 square root of 54x + 3^3 square root of 2x, if x ≠ 0

Answers

Answer:

Step-by-step explanation:

[tex] \sqrt[3]{54x} + 3 \sqrt[3]{2x} = \\ = \sqrt[3]{2x \times 27} + 3 \times \sqrt[3]{2x} \\ = 3 \sqrt[3]{2x} + 3 \sqrt[3]{2x} = 6 \sqrt[3]{2x} [/tex]

please help!!! i need help!

Answers

Hello,

The answer is 6x + 14 - D

Answer:d

Step-by-step explanation:

distrubition lol

If we had a Pyramid with a hexagonal base, how many of these pyramids would it take to fill up a hexagonal Prism with a congruent base, and equal height?

Answers

Answer:

3 of the pyramids

Step-by-step explanation:

Given:

Hexagonal Prism

Hexagonal based pyramid

Required

How many of the pyramid will fill up the prism

To do this, we start by calculating the volumes of both shapes.

Let V1 be the volume of the hexagonal prism

[tex]V_1 = \frac{3\sqrt{3}}{2}a^2h[/tex]

Where: a = base and h = height

Let V2 be the volume of the hexagonal based pyramid

[tex]V_2 = \frac{\sqrt{3}}{2}a^2h[/tex]

Where: a = base and h = height

The number of the pyramid that can occupy the prism is calculated by dividing V1 by V2

[tex]Number = \frac{V_1}{V_2}[/tex]

[tex]Number = \frac{3\sqrt{3}}{2}a^2h /\frac{\sqrt{3}}{2}a^2h[/tex]

Convert division to multiplication

[tex]Number = \frac{3\sqrt{3}}{2}a^2h * \frac{2}{\sqrt{3}a^2h}[/tex]

[tex]Number = \frac{3\sqrt{3}}{2} * \frac{2}{\sqrt{3}}[/tex]

[tex]Number = \frac{3\sqrt{3}}{1} * \frac{1}{\sqrt{3}}[/tex]

[tex]Number = \frac{3*1}{1} * \frac{1}{1}[/tex]

[tex]Number = 3[/tex]

Simplify 8(x - 4).Simplify 8(x - 4).

8 x - 4
8 x - 32
x - 32
x - 4

Answers

The answer for this question: It’s 8x-32.

Answer:

8(x-4)

= 8x - 32

hope it helps

The side lengths of the state flag of Colorado are in the ratio 2:3. If a flag is 12 feet long, what is its height?

Answers

Answer:

5 inches

Step-by-step explanation:

Answer:

Step-by-step explanation:

you first divide 12 by 3 then multiply it by 2 to get 8

PLease help the question is in the photo

Answers

Bottom right, becasue you have more than 30, and less than or equal to 15 :)

PLEASE HELP ME I WILL DO ANYTHING PLEASE HELP ME

Answers

Answer:

Step-by-step explanation:

Sorry I've never studies this in school :(

But to be fair I'm only in 7th so hopefully I'll study it eventually lol

After his alarm rings, Clarence has
25 minutes to get ready. He snoozes in
bed for one minute after the alarm rings
the first day, two minutes the second
day, three minutes the third day, etc.
When Clarence is down to 11 minutes to
get ready, how many days has it been?

Answers

Answer: 14 days

Step-by-step explanation:

Day 1: 1 minute snooze = 24 minutes

Day 2: 2 minute nooze = 23 minutes ; these examples show snooze time = days.

We can set up an equation for this situation: 25 - s = r ; where s = snooze time and r = time to get ready.

Given the problem, we can fill out this equation with: 25 - s = 11

When you solve this equation, time snoozed = 14.

We already know that snooze time = days, so days = 14.

I am not a professional, simply using prior knowledge!

Note- It would mean the world to me if you could mark me brainliest!

how many square feet of outdoor carpet will we need for this hole

Answers

Answer:

42 ft²

Step-by-step explanation:

First of all, who makes a hole in this shape?

Anyways,

You're going to want to split the figure into multiple different shapes. We already have a triangle, so I would split the remaining shape into a rectangle and trapezoid.

We can find the area of the triangle easily with the equation 1/2(bh)

1/2(2 · 3)

1/2(6)

So the triangle is 3 ft²

Now we can find the area of the rectangle.

The measurements will be 3 and 7. It's just base x height so it'll be 21 ft²

Finally the trapezoid.

Base 1: 6

Base 2: 3

Height: 4 (11-7)

Formula: 1/2h (b1 + b2)

1/2 · 4 (6+3)

2(9)

18 ft²

Now just add them together:

3+21+18=42

Hence, your answer is 42 ft²

A baseball stadium holds 15,002 seats. The lower level has 50 fewer than three times as many seats as the upper level. The middle level has 40 more than twice as many seats as the upper level.
x + (2x + 40) + (3x – 50) = 15,002
The upper level has seats.

Answers

U, M, L are the seats in the upper, middle, and lower levels, respectively.
U+M+L = 15,002

L = 3U-50
M = 2U+40

Substitution:
U + (2U+40) + (3U-50) = 15,002
6U - 10 = 15,002
6U = 15,012
U = 2,502

Answer:

The correct answer is 2,502 seats

Step-by-step explanation:

Which expression is equivalent to -5a + 12b - c + 5a - 7b + 12c after combining like terms?

Answers

Answer:

5b + 12c

Step-by-step explanation:

-5a +5 a = 0

12b-7b = 5b

12c= 12c

therefore you have the expression 5b+12c

Pleaseeeee helppppp answer correctly !!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!

Answers

BD = 26 cm because it is double the length of AO.

The data to represent average test scores for a class of 16 students includes an outlier value of 78. If the mean, including the outlier of 78, equals 84, which statement is always true about the new data when the outlier is removed?

The mean would increase.
The mean would decrease.
The median would increase.
The median would decrease.

Answers

Answer:

Given that The data to represent average test scores for a class of 16 students includes an outlier value of 78.

We can find sum of all 16 test scores = 84(16) = 1344

Outlier found = 78

If outlier is removed new sum = 1344-78 = 1266

Number of entries without outlier = 15

New average = 1266/12 =84.4

We find that average of new data increases.

Also whenever we remove outlier std deviation also would be reduced.

Step-by-step explanation:

Answer:

The mean would decrease.

Step-by-step explanation:

Without the outlier, the mean decreases. The median stays the same with or without the outlier.

Darrien purchases some clothes for a total of $26.50, before tax. Sales tax in his state is 5 percent. What is the total price he has to pay for the clothes?

Answers

$27.83 is the total price

Please help me! The problem ask you to identify the slope and the y-intercept of the line. And it ask to write the equation in slope intercept form

Answers

The y-intercept is 1

represent 35 in many ways

Answers

35 is an odd number and word form thirty five expanded form 30+5 and standard form 35

Answer:

............

Step-by-step explanation:

Thirty five

30+5

The principal. Ms kennedy and the chairman were at the meeting how many persons were at the meeting

Answers

Answer:

It seems to be 2

Step-by-step explanation:

man is singular s Ms Kennedy is one person

Answer:

i think that would be 4

Step-by-step explanation:

because two other random people showed up

A triangle with vertices at (2,4), (2,-1) and (5,-1) will have a perimeter of
Round your answer to the nearest tenth.

Answers

Answer:

13.8

Step-by-step explanation:

Please let me know if you want me to add an explanation.

A factory makes lightbulbs. The probability that a bulb is defective is 1/8 If 500 lightbulbs are tested, about how many are expected to be defective?

A.
8

B.
50

C.
63

D.
437

Answers

Answer:

Step-by-step explanation:

Answer:

C. 63

Step-by-step explanation:

took the test

Evaluate the expression 3·5x when x is 2.

Answers

Answer:

Step-by-step explanation:

if x is equal to 2 then 3×5×2 is 30

have a nice day

bye

The value of the expression 3·5x when x = 2 is 30

How to evaluate the expression?

The expression is given as:

3·5x

Rewrite properly as:

3 * 5x

When x = 2, the expression becomes

3 * 5 * 2

Evaluate

Hence, the value of 3·5x when x = 2 is 30

Answers

the answer is a......

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