Mathematics High School

Someone help me right now pls

Answers

Answer 1

Answer:

90 degrees and 180 degrees

Step-by-step explanation:

90 degrees and 180 degrees

Related Questions

A class has 16 boys and 20 girls. A prefect is to be chosen from the class. If
each student is equally likely to be chosen, calculate the probability that the
selected prefect is:
(a) a boy (b) a girl

Answers

Answer:

a) 16/36 b)20/36

Step-by-step explanation:

16 + 20 = 36

36 = how many people are in the class all together

Sorry if it is wrong

Carl's class is collecting canned food for a food drive. If the class collects 3 2/3 pounds on the first day and 4 1/4 pounds on the second day, how many pounds of food have they collected so far?

Answers

Answer:

7 11/12

Step-by-step explanation:

3 2/3 + 4 1/4 = 3 8/12 + 4 3/12 = 7 11/12

please help with a math problem must show work.

Answers

Correct answer: (B) C/2r=pi

Make the expression below a perfect square by adding in a constant value: x^2+14x+_

Answers

[x^2 + 14x + (1/2•14)^2] - (1/2•14)^2

= [x^2 + 14x + (7)^2] - (7)^2

= (x+7)^2 - 49

If you need an explanation as to how, you can go ahead and ask

kim rented skates for h hours.The rental free was $2.50 per hour. she paid a total a 2.5h=20 b 1.5h=10 c 1.5h=20 d 2.5h=10l of $20

Answers

Answer:

2.5h=20

Step-by-step explanation:

What is the area of a rectangle with side
lengths x - 4 and 5x + 7?

Answers

(x-4)(5x+7)
expand this
= 5x^2 + 7x - 20x - 28
= 5x^2 - 13x - 28 units squared

someone, please help !! these are direct and inverse variations, algebra 2. i need them asap !

Answers

Answer:

3, 20, 2, and 2.5

Step-by-step explanation:

For each question, they gave you an x and y value. If you substitute them into the equation and then solve for k, you get your answer.

On the first one, x is 12 and y is 1/4. If you put those into the equation they gave you y = k/x, you get 1/4 = k/12

3/12 is 1/4 so the first k is 3.

Second one y = k/x. x is 4 and is 5. So 5 = k/4

20/4 is 5, so the second k is 20.

Find each angle or arc measure

Answers

Answer:

Step-by-step explanation:

34/2 because the measure of the arc is half of what it would normally be because it touched the other side

how many 2 digit numbers are multiples of five

Answers

Answer:

Step-by-step explanation:

Hope it helps plz give brainlies! ;D

Please help me on this :) I will give brainleast

Answers

Answer:

B. 6 cans for 5.16

Step-by-step explanation:

A. 0.89$ for 1 can

B. 0.86$ for 1 can

C. 0.88$ for 1 can

D. 0.90$ for 1 can

Answer:

Step-by-step explanation:

store a - 0.89 each can

store b - 0.86 each can

store c - 0.88 each can

store d - 0.90 each can

PLEASE Help I need the area in cm2 THanks Have a nice day!!

Answers

Answer:

132 cm^2

Step-by-step explanation:

Area of trapezoid = 1/2 ( (7 + 19) * 8) = 26*4 = 104 cm^2

Area of rectangle = 4 x 7 = 28 cm^2

104 cm^2 + 28 cm^2 = 132 cm^2

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

Help pleaseeeeeeeeee

Answers

9514 1404 393

Answer:

47 -6√10

Step-by-step explanation:

As you know, the area of a square is the square of the side length. It can be helpful here to make use of the form for the square of a binomial.

(a -b)² = a² - 2ab + b²

(√2 -3√5)² = (√2)² - 2(√2)(3√5) + (3√5)²

= 2 - 6√10 + 3²(5)

= 47 -6√10

Check

√2-3√5 ≈ -5.29399 . . . . . . . . note that a negative value for side length makes no sense, so this isn't about geometry, it's about binomials and radicals

(√2-3√5)² ≈ 28.02633

47 -6√10 ≈ 28.02633

The diagram beloon shows a cup in the shape of a right circular conse and yone of its measurements,
cm
10 cm
Which of the following is closest to the volume, in cubic centimeters, of the cup?

Answers

Answer:

option c

volume of right circular cone=1/3 *(pi)* r*r *h

Will give brainlist!!!!!!

What would be the best method to use in order to solve the following quadratic equation?
X^2 - 3x = 10

Answers

Answer:

Use the x method

Step-by-step explanation:

Move the 10 over to the other side and get x^2 - 3x -10 = 0 and solve by finding two numbers that add up to negative 3 but multiply to -10 which would be -5 and 2 so the binomials are (x-5)(x+2)

Answer:

x^2 - 3x = 10

Step-by-step explanation:

Move all terms to the left side.

Use the sum product pattern.

Factor (x-5)(x+2) = 0

Create two separate equations,

x - 5 = 0, and x + 2 = 0

Rearrange and isolate the variable.

x = 5

x = -2

CAN SOMEONE PLEASE HELP ME!!! I REALLY NEED IT

n = ___

Answers

Answer:

i got n =2

Step-by-step explanation:

setted up a proportion, so 4/n+6 = 9/n+16 and solved from there and got 2.

Find the product of 6* V12
O 36/2
O 65
0 5/6
04/18

Answers

Answer:

6√2

Step-by-step explanation:

√6 x √12 = √72

= 6√2

6 x √12 = √72

= 8.485281374238570

Answer:

Step-by-step explanation:

Question 5 (1 point)
Calculate the area of this composite shape. Use the ti key on the calculator. Round answer
to tenths.
10 yd
12 yd
13 yd
13 yd
Area =
yd2

Answers

i think its 1,560 because you have to multiple the top which is 10 to the bottom but the bottom one is not the same shape as the top and for the middle you multiple 12 because their the same shape and for the bottom their the same shape as well.

find the slope for (3,-6)(-1,4)
show the steps

Answers

Answer:

y= -5/2x + 3/2

Step-by-step explanation:

(3,-6). y=mx+b or -6=-5/2 × 3+b, or solving for b: b=-6-(-5/2)(3). b=3/2.

(-1,4). y=mx+b or 4=-5/2 × -1+b, or solving for b: b=4-(-5/2)(-1). b=3/2.

Plugging in the two points, hence y= -5/2x + 3/2

What is the percent of increase from 4,000 to 10,000?

Answers

Answer:

150%

Step-by-step explanation:

Percent change = [tex]\frac{New - Old}{|Old|}[/tex] × 100%

=> [tex]\frac{10000-4000}{4000}[/tex] × 100

=> [tex]\frac{6000}{4000}[/tex] × 100 = 150% (increase)

pls help me

Find the surface area of the object.

Answers

Answer:

3x3x2=18

1x3x9=27

18+18+18+28=81 81 cm

Step-by-step explanation:

Plz help me with this math problem

Answers

A and C because their less than -2

Answer:

c and a because x = a smaller number

12345678910112131415161718192021212223242526272829303132333435363738394041424344454647484950

Answers

Answer: what what! Confused

Step-by-step explanation:

Answer:

yes

Step-by-step explanation:

The students of a school fill 5 buses for a field trip. Each class fills bus. How many classes are riding on the buses?

Answers

Answer:

The answer is 5

Step-by-step explanation:

Because each bus is assigned 1 class and there is only five buses so there are 5 classes

If there are 5 busses and each class fills a bus there should be about 5 classes

Simran used a simulation to predict the number of days of rain in his town. A number 1 or 2 indicates a week in which it rained. Numbers 3, 4, or 5 indicate a week in which it did not rain. The results of the simulation are shown above. What is the experimental probability that it will rain in Simran’s town in at least 1 of the next 4 weeks?

Answers

Answer:

The answer that I got for mine was 40%

Step-by-step explanation:

This is because there were 10 trials and 4 of the trials had rain. so 40 percent of the trials had rain. Hope it helps!

what does standard devitation mean?

Answers

Answer:

a quantity calculated to indicate the extent of deviation for a group as a whole.

Step-by-step explanation:

t1ts

Ramundus spends 3/7 of his salary on games and 4/9 of his salary on expenses for a car. Does Ramundus spend more of his salary on games or on expenses for a car?

Answers

Hello!
We need to find a denominator that both fractions can be. /63 works perfectly because 7x9 = 63. 3 x 9 = 27, and 4 x 7 = 28. Since 28/63 is bigger than 27/63, ramundus puts more money into car expenses.

Select all the values of x from this list that make the inequality

FOR POINTS!

Answers

The answer would be A D E

Giving brainliest awnser if you help me with this

Answers

The first option and the last option :)

how many solutions does the nonlinear system of equations graphed below have?

Answers

Answer:

A. Zero

Step-by-step explanation:

The upside down parabolic graph has no roots because it not linear

I need help quick. ASAP.

Answers

It’s 1/2 (now I’m going to write random stuff because it says it has to be at least 20 letters jehdhsjdbdjeiksjejdi)

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