Mathematics High School

What is the value of y?
72°
A. 1080
B. 540
C. 36°
D. 720

What Is The Value Of Y?72A. 1080B. 540C. 36D. 720

Answers

Answer 1

Answer:

B. 54

Explanation:

Take 72 from 180.

180 - 72 = 108.

Since there are two y's AND they're congruent, divide 108 by two and get 54.

Answer 2
Answer:
B. 54

Explanation:
180 - 72 = 108
108 / 2 = 54

Related Questions

if An atom has 10 protons, 11 neutrons, and 9 electrons. What is the atomic number of this atom?


A) 9

B) 10

C) 11

D) 21

Answers

Answer:

B

Step-by-step explanation:

Atomic number is equal to the number of protons in an atom.

Find the value of 71° + 72° + 73° + 74° + 75º.
Quick answer

Answers

Add them up and you get 365°

7 + 2X = 5
3
..... zzzzzzzz

Answers

Answer:

23

Step-by-step explanation:

please mark brainliest

Answer:

x = 23

Step-by-step explanation:

7 + 2x = 53

7 + 2x - 7 = 53 - 7

2x = 46

2x / 2 = 46 / 2

x = 23

Hope this helps

Maybe brainliest?

Which expression is equivalent to x² - 4x - 45?
А
(x - 9)(x - 5)
B
(x + 9)(x+5)
(20 +9)(x - 5)
D
(x - 9)(x+5)

Answers

Answer:

D. (x - 9)(x+5)

Step-by-step explanation:

[tex]x^{2} - 4x - 45[/tex] is your expression, so you have to factor it out. Since from the options available it's clear that the factors of -45 you use are some form of 9 and 5, we can use the process of elimination to figure out which are the correct ones.

First, through FOIL u know that in any factored form the last two terms in each bracket multiply together to make the last term in the expanded form.

So first, look at A. the last two terms are -9 and -5, which = 45 when multiplied together. 45 does not = -45, so it can't be A.

B has 9 and 5. When they're multiplied, they = 45, which does not = -45, so its not B

It can't be C either, because the first term of the first bracket in C is 20, and when multiplied with x it doesn't produce x^2.

Therefore it has to be D. u can check this by multiplying -9 and 5, which = -45, the final term in the expanded form. Also, -9 + 5 = -4, which is the middle term of the expanded form.

The equivalent expression to x² - 4x - 45 is (x - 9)(x + 5), which corresponds to option A.

To factor the quadratic expression x² - 4x - 45, we need to find two binomials that, when multiplied, give us the original expression.

We look for two numbers whose product is -45 (the coefficient of the constant term) and whose sum is -4 (the coefficient of the linear term, -4x). After some exploration, we find that the numbers -9 and 5 satisfy these conditions.

Thus, we can express x² - 4x - 45 as (x - 9)(x + 5). This is because when we multiply the two binomials (x - 9) and (x + 5) using the distributive property, we obtain the original quadratic expression.

This factored form, (x - 9)(x + 5), represents the equivalent expression to x² - 4x - 45.

To learn more about the quadratic equation;

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Write the standard form of the equation of the line through the given point with the given slope.
9) through: (1, 2), slope = 7

Answers

Answer:

The equation for this slope will be y=7x-5

Step-by-step explanation:

Hope this helped

The cost of every college is expected to increase 3.5%

next year.

The cost to attend Westish College is currently $18000.

What is the expected cost to attend Westish College

next year?

Answers

Answer:

$18,630

Step-by-step explanation:

The cost of every college is expected to increase 3.5% next year.

The cost to attend Westish College is currently $18000.

What is the expected cost to attend Westish College next year?

The increase in the cost for next year is calculated as:

3.5 % × Current cost

= 3.5% × $18,000

= $630.

The expected cost to attend Westish college next year=

$18,000 + $630

= $18,630

In the following equation, when x=3, what is the value of y? -4x + 3y = 12

Answers

Answer:

The answer is y = 8

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

~Hoped this helped~

~Brainly, please?~

Please help me !!!!!!!

Answers

Answer:

C. Both (1,11) and (-1,-5)

Step-by-step explanation:

Ok so,

let's try to plug in the first ordered pair into the equation. It should look like this:

11 = 8+3

11=11      CORRECT

now let's try to plug in the second ordered pair. it should look like this:

-5 = -8+3

-5 = -5      CORRECT

hope this helps. have a good day!!

find x=, if x+1=11 hurry!!

Answers

Answer:

x = 10

Step-by-step explanation:

x + 1 = 11

x = 10

The sail on the sailboat shown below forms a right
triangle whose hypotenuse has length 13 feet and
whose vertical side has length 12 feet. If cloth for the sail costs $10 per square foot, what is the cost of the
sail?

Answers

Answer:

5

Step-by-step explanation:

Help I am confused please

Answers

Answer:

N/A

Step-by-step explanation:

13 less than fourteen times a certain number is twenty-nine more than 7 times that number. What is the number? (I only need the answer)
A. 12
B.6
C.7
D.9

Answers

Answer: B. 6

Step-by-step explanation:

Let x be the [certain number]

Rephrase the expression

13 less than fourteen times a certain number is twenty-nine more than 7 times that number

14x-13=7x+29

Calculate

Given

14x-13=7x+29

Add 13 on both sides

14x-13+13=7x+29+13

14x=7x+42

Subtract 7x on both sides

14x-7x=7x+42-7x

7x=42

Divide 7 on both sides

7x/7=42/7

x=6

Hope this helps!! :)

Please let me know if you have any questions

Help with number 20.

Answers

I think the answer is 18:30

Urgent please help..

Answers

B = (-2, 2)

May Nilbin Be With You

Answer:

B' = (-6, 6)

Step-by-step explanation:

Dilation = Multiplying the coordinates of points by the scale factor.

B = (-2, 2)

B' = (-6, 6)

^ Multiply each coord by the scale factor (3)

Question 1 of 25
f(x) = 3x2 + 6x - 5
g(2) = 4x3 – 5x2 + 6
Find (f + g)(2)
O A. (f +9) (c) = 4x + 3x2 + 112 +1
O B. (f +g)(x) = 723 + 2? + 1
O c. (f +g)(x) = -4x3 + 8x2 + 6x – 11
O D. (f +g)(x) = 4x3 – 2x² +63 +1

Answers

Answer:

D

Step-by-step explanation:

Find the product of (x − 3)2.

x2 + 6x + 9
x2 − 9
x2 − 6x + 9
x2 + 9

Answers

Answer:

The answer is number 3

Step-by-step explanation:

[tex] {(x - 3)}^{2} = {x }^{2} - 6x + 9[/tex]

Answer:

answer- 3

Step-by-step explanation:

9(x−3)

2

=x

2

−6x+9

Given an integer, how do you find its opposite? Complete the explanation. Find the integer that is the same distance from _ but on the _ side of 0

Answers

Answer:

simply need to change its sign

Step-by-step explanation:

To find the opposite value of an integer you simply need to change its sign. Meaning that if a given integer is positive then you change the positive into a negative. This would give you the opposite value of that integer which is located at the same distance from 0 but on the other side of the number line. For example, the opposite value of 5 would be -5, while the opposite value of -8 would be 8

Step-by-step explanation:

Find the integer that is

the same

distance from

0

but on the

other

side of 0.

B
27 m
24 m
18 m
List angles largest to smallest

Answers

Answer:27,24,18

Step-by-step explanation:

sorry if it’s wrong but I think so

From a group of 280 children, 14 made the swim team. What percent of the children is this?

PLEASE HELP, ILL GIVE BRAINLIEST

Answers

Answer:

5%

Step-by-step explanation:

14/280 is 5%. (Brainliest pls?)

Answer: I think it is 39.2 percent

Step-by-step explanation:

pls help me it will make my day because, this is due tomorrow and I don't want to fail. no one helps me ❤️

Answers

The slope is 2. Divide rise/run

Answer:

The slope is 2

Step-by-step explanation:

To solve for slope, it's: y2-y1/ x2-x1.

The points can be (1,0) and (2,2) since they intersect with the slope.

You plug the points into the equation which is 2-0/ 2-1.

This will give you 2/1 or just 2.

Or you can just do rise over run. The slope is going up by 2 and across by 1.

Multiply Rachel's weekly earnings by the number of weeks to find her total earnings for the summer. *

Answers

Answer: $‭3,076.88‬

Step-by-step explanation:

Rachel earns $384.61 per week that she works and she worked for 8 weeks.

Her total earnings are therefore:

= Weekly pay * Number of weeks

= 384.61 * 8

= $‭3,076.88‬

Anna ran 10 meters, Bill ran 15 meters, and Chloe ran 20 meters. How many centimeters did the three people run?

Answers

Answer:

Anna: 1000cm

Bill: 1500

Chloe: 2000

convert m to cm

Answer:

4500 cm

Step-by-step explanation:

1 meter = 100 cm

10 meters = 1000 cm

15 meters = 1500 cm

20 meters = 2000 cm

1000 + 1500 + 2000 = 4500 cm

In a regular polygon each interior angle is 140° greater than each exterior angle. Calculate the number of sides of the polygon​

Answers

Answer:

18 sides.

Step-by-step explanation:

The interior and exterior angles sum to 180 so:

       I + E = 180

also  I - E = 140       (given)

So, adding to eliminate E:

      2I = 320

I = 160 degrees and the external angle E = 1809 - 160 = 20 degrees.

Since the sum of all exterior angles in a polygon = 360 degrees

- the number of sides = 360 / 20 = 18.

6 A pair of adjacent angles is formed by lines
AD and CE.
What is the measure of angle ABC?
F 145°
G 217
H 85°
J Not here

Answers

Answer:

x° = 145°

Step-by-step explanation:

x° + (2x - 255)° = 180°

3x = 180 + 255

3x = 435

x° = 145°

ILL GIVE U BRAINLYIST

Answers

Answer:

C a rectangle 4 by 3

Step-by-step explanation:

Enter the correct answer in the box.
Simplify the expression

Answers

it is 6 to the 8th power (8 is in the box)

Answer:

guy above me is wrigth. If you have any doubts see the picture.

Step-by-step explanation:

Hope it helps and mark as brailiest pleasee

8 = 6 + a/4 a=___ help

Answers

Answer:

a=8

Step-by-step explanation:

6+a/4 = 8a/4=8-6a=4×2a=8

Please help!! Pleaseeee​

Answers

Answer:

pretty sure its the first and 3rd one sorry if im wrong

Step-by-step explanation:

whoever answers right gets brainliest

Answers

Answer:

37

Step-by-step explanation:

Split the arrow into a rectangle and triangle. The area of the rectangle is 7x4=28. The area of the triangle is 6*3/2=9. 28+9=37

h is 60% of m.
Also, r is 75% ofm.
Work out h as a percentage of r.

Answers

Answer:

h=0.6m

r=0.75m

h=0.6m/0.75m*100 percent of r.

h=6000/75% of r

h=80% of r

Step-by-step explanation:

The expression of h as a percentage of r would be as;  80% of r.

What is the percentage?

A percentage is a minimum number or ratio that is measured by a fraction of 100.

WE are given that h is 60% of m.

Also, r is 75% of m.

WE need to find out h as a percentage of r.

Therefore, h=0.6m

r=0.75m

Now we can write as;

h = 0.6m/0.75m x 100 percent of r.

h = 6000/75% of r

h = 80% of r

Hence, the expression of h as a percentage of r would be as;  80% of r.

Learn more about percentages;

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