Mathematics College

NEED HELP!!!!!!!!! ASAP!!!!!!!

NEED HELP!!!!!!!!! ASAP!!!!!!!

Answers

Answer 1

Answer:

¹31.5

Step-by-step explanation:

Area of trapezium= 1/2 ×h×(b1+b2)

A=1/2×3×(12+21)

A=31.5

Related Questions

25 points need HELP !!
A fair, unbiased coin was flipped 10 times, giving the results shown in the table, where T = tails and H = heads.

Flip 1 2 3 4 5 6 7 8 9 10
Result T T T H T T T H T T
What is the difference between the theoretical and experimental probabilities of getting heads?

A. 0.5
B. 0.0
C. 0.3
D. 0.1

Answers

Answer:

c 0.3

Step-by-step explanation:

there is are 50/50 chance when a coin is flipped but according to the data it is 80/20 so if to take 80-50=30 so it is a 0.3  change in probability.

The difference between the theoretical and experimental probabilities of getting heads is 0.3.

What is Probability?

Probability is simply the possibility of getting an event. Or in other words, we are predicting the chance of getting an event.

The value of probability will be always in the range from 0 to 1.

Given that,

A fair, unbiased coin was flipped 10 times.

The result is shown in the table.

Total number of outcomes = 10

For the experimental probability,

Number of heads = 2

Experimental Probability of getting heads, E = 2/10 = 0.2

For the theoretical probability,

Theoretical Probability of getting heads, T = 1/2 = 0.5

Difference = 0.5 - 0.2 = 0.3

Hence the difference is 0.3.

Learn more about probability here :

https://brainly.com/question/15729871

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PLEASE HELP
i will mark brainliest!
10 points

Answers

I think the answer is D.

I hope this helps

On the grid, draw graphs of y=x+2 and x+y=3

Answers

Try getting a graphing calculator they help a lot

Answer:

The image shows the answer and below I will explain more about it.

Step-by-step explanation:

To draw a line all you need is two points on the graph, and people mainly use the coordinates of the y and x intercepts to draw it (when x=0 and when y=0)

so for these questions all we do is:

y=0+2 (we are putting x=0 into the equation)

y=2, x=0 so this is the first of our set of coords:

0=x+2

x=-2 y=0 (we are putting y=0 into the equation)

so all you do is plot these in and draw a line which passes between both,

now just repeat for the other one :)

Mean of 8, 3,5
and mean of 44,89,23

Answers

Answer:

mean of 8,3,5 = 5.333 or 16/3

mean of 44,89,23 = 52

Step-by-step explanation:

Answers and step-by-step explanations:

To find the mean, first, we are going to add all of the numbers, and divide by how many numbers there were. The first data set is:

8, 3, 5

Add them all up:

8 + 3 + 5 = 16

Then, since there were three numbers, we divide 16 by 3.

16/3 = 5.33

Therefore, the mean of 8, 3 and 5 is around 5.33.

The second data set is:

44, 89, 23

Add them up:

44 + 89 + 23 = 156

Then, divide it by how many numbers there were, which is 3.

156/3 = 52

Therefore, the mean of 44, 89 and 23 is 52. Hope this helps!

Need help with this help me out

Answers

It’s 122 because when u add up all the degrees it’s suppose to be 360degrees

So 360-103-84-51 =122
Or 103+84+51+122 = 360

express a decade as a percentage of a century​

Answers

A decade is 10% of a century because a decade is 10 years and a century is 100 years, so it’s 10/100=10%!

find the value of x in the following figure​

Answers

Answer:

x = 172

Step-by-step explanation:

A circle is 360 degrees

The angles will add to 360 degrees

x/2 + 59 + x/4 + x = 360

Subtract 59 from each side

x/2 + x/4 +x +59-59 = 360 -59

x/2+x/4+x = 301

Combine like terms

2x/4 +x/4 +4x/4 = 301

7/4x = 301

Multiply each side by 4/7 to isolate x

4/7 * 7/4 x = 301 *4/7

x =172

a skier travels 4 seconds and cover 72 meters. how long will it take the skier to travel 360 meters?

Answers

It should take 20 seconds for the skier to travel 360 meters.


Is it possible that
1952
is the remainder of 375139654 - 1953?

Answers

No I don’t think it’s possible

Use the distributive property to find the equivalent expression.
10(8 + 3h) =

Answers

Answer:

80+30h

Step-by-step explanation:

helppppppppppppppppppp

Answers

Answer:

Angle × =180 - 126

Angle × = 54

someone please help me

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Which ordered pair is a solution to - 8x + 6y <3x - 30?
A (-6, -16)
B (6, -6)
© (69)
D (2, 3)

Answers

Answer:

B ( 6,-6) ..

I think I'm correct

The answer would have to be B I think

Find the surface area of the cylinder.
13 m
20 m

Answers

Answer:

2695.49 m

Step-by-step explanation:

A = 2πrh + 2πr2

2 · π · 13 · 20 + 2 · π · 132

2695.4865

using the graph, predict how many inches the dog's hair will grow in 38 months?​

Answers

Answer: 76 inches

Explanation: it grows 2 inches every month.
2 x 36 = 76

Write 31 5 as a mixed number.

Answers

Answer:

6 1/5

Step-by-step explanation:

Answer:

31/5 into a mixed number would be 6 1/5 .

Instructions: find the missing side length in the image below

Answers

Answer:

16

Step-by-step explanation:

same as other side should be

but i dont know why theres a 45 :(

Length of missing side is 36 units.

What is Ratio?

Ratio is defined as a relationship between two quantities, it is expressed one divided by the other.

Let length of missing side is x

Since horizontal lines are parallel, so ratio of sides are equal

20/16 = 45/x

x= (45/20)16

x = 36

Hence, length of missing side is 36 units.

Learn more about Ratio here:

brainly.com/question/1504221

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what do we mean by 16 1/4

Answers

Evaluate?

What’s the full question?

Answer:

[tex] \sqrt[4]{16} [/tex]

what is the missing value , 2/3 and n/12

Answers

N=8
If you set 2/3 equal to n/12 then you multiple 3 by 4 to get 12. So you have to multiple 2 by 4 to get N.

What is the factored form. Help doing test rn!!!

Answers

Answer:

(y^3-2)(x^2-2)

Step-by-step explanation:

x^2y^3-2y^3 can be factored. This will be equal to y^3(x^2-2). Then for the other half it will be equal to -2(x^2-2). Because the insides are the same, the equation is the outside two number y^3 and -2 added together time the inside number x^2-2. This will make the expression (y^3-2)(x^2-2).

If this helps please mark as brainliest

A right triangle has coordinates ( − 3 , 4 ) , ( 3 , 6 ) , and ( − 1 , − 2 ) . What is the area of the right triangle?

Answers

Answer: 20 sq units

Step-by-step explanation:

A quick sketch graph will show the right angle is at (-3 ,4)

The lengths of the shorter sides are both sqrt(2^2 + 6^2) = sqrt(40)

Area = 1/2 x (sqrt(40))^2 = 20

If you didn’t have a right angle you could find the lengths of all sides a, b and c

Calculate the semi perimeter s = (a+b+c) / 2

And the area = sqrt(s(s-a)(s-b)(s-c))

Try and use this method to check the first one!

Select the correct answer.
Simplify the expression.

Answers

Answer:

The answer to the question is C

6029-5817 is the correct answer 45

Answers

the answer is 212 .... not sure where 45 came from

find the length of the third side. if necessary, write in simplest radical form.

Answers

Answer:

6

Step-by-step explanation:

its a right angle so to find a side use a Pythagorean theorem

Pythagorean theorem =

[tex]a^2+b^2=c^2[/tex]

[tex]a^2+b^2[/tex] are the sides

[tex]c^2[/tex] is the hypotenuse

In this case we need the hypotenuse

[tex]3\sqrt{3} ^2 + 3^2 = c^2[/tex]

[tex]27 + 9=c^2[/tex]

[tex]36=c^2[/tex]

the opposite of squaring is square rooting so:

[tex]\sqrt{36} =6[/tex]

therefore the answer is 6 ^-^

2(-2b)+2b=-8 what does b equal

Answers

Answer:

b = 4

Step-by-step explanation:

[tex]2(-2b) + 2b = -8[/tex]

Open the brackets & simplify the terms (which were in brackets).

[tex]=> -4b + 2b = -8[/tex]

[tex]=> -2b = -8[/tex]

Divide both the sides by -2

[tex]=> \frac{-2b}{-2} = \frac{-8}{-2}[/tex]

[tex]=> b = 4[/tex]

What is the area of the shape below?



square inches

Answers

You forgot to put a picture.

The two-way table shows the number of students in a class who play basketball and/or football.

What is the missing number in the table?

A) 2
B) 10
C) 34
D) 46


will mark BRAINLIEST*​

Answers

the answer would be a
B. 10

40 - 30 = 10
Or
16 - 6 = 10

Which function does this graph represent?

A. F(x) = 3(x + 1)^2 + 2
B. F(x) = -3(x + 1)^2 + 2
C. F(x) = -3(x + 1)^2 - 2
D. F(x) = 3(x - 1)^2 + 2

Answers

i think the answer is B

Answer:

c

Step-by-step explanation:

common sense, duh.

Employee A gets paid $150 weekly, plus $0.50 for each latte they sell. If he was paid $275,
how many lattes did he sell this week?

Answers

Answer:

550 lattes he sold this week

Step-by-step explanation:

$275÷$0.50= 550

Select all of the following that are quadratic equations.
3x ^2 + 5x - 7 = 0
x ^3 - 2x ^2 + 1 = 0
2x - 1 = 0
5x ^2+ 15x = 0
6x - 1 = 4x + 7
x ^2 - 4x = 4x + 7

Answers

Answer:

3x ^2 + 5x - 7 = 0

5x ^2+ 15x = 0

x ^2 - 4x = 4x + 7

Step-by-step explanation:

Just find a equation with a degree of 2 and boosh

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