Mathematics High School

Angles that ALWAYS sum to 180°

Answers

Answer 1

Answer:

supplementary angles

Step-by-step explanation:

Related Questions

The sum of two numbers is 25. Twice the first number minus the second is 6. Find the numbers.

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Answer:

Step-by-step explanation:

x + y = 25

2x - y = 6 Solve for y in this the second equation. Add y to both sides

2x = 6 + y The ys on the left cancel. Subtract 6 from both sides.

2x - 6 = y

Put this value of y into the first equation

x + y = 25

x + 2x - 6 = 25 Combine on the left

3x - 6 = 25 Add 6 to both sides.

3x = 25 + 6 Combine the right

3x = 31 Divide by 3

x = 31 / 3

x = 10.333333

x + y = 25

10.33333 + y = 25 Subtract 10.33333

y = 25 - 10.333333

y = 14.666666

x + y = 25

10.33333 + 14.66666

25 approximately.

2x - y = 6

2*10.33333 - 14.66666

20.66666 - 14.66666

You should note that those numbers are repeating decimals

2x - 6 = y

state if polygons are similar

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Answer:

Step-by-step explanation:

The cylinder shown here has a height of 7 centimeters and a radius of 4 centimeters. What is the area of the base of the cylinder? Express your answer in terms of 1. Do not include units (cm2) in your answer. Use pi to represent the n symbol. For example: 321 would be typed as 32pi

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Answer: 16pi

Step-by-step explanation:

Solve 7+2x over 3 = 5

Please and thank you! x

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Answer:

x = 4

Step-by-step explanation:

(7 + 2x) / 3 = 5

Cross product

7 + 2x = 5 * 3

7 + 2x = 15

Subtract 7 from both sides

2x = 15 - 7

2x = 8

Divide both sides by 2

x = 8/2

x = 4

Evaluate the following expression.
1/8^2 I NEED HELPPPP!!!!!!!!

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Answer:

1/64

Step-by-step explanation:

Which angle number is adjacent to angle to ZOKL?

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Answer:

there aint no picture

Step-by-step explanation:

What is the slope of the graphed line?

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Answer:

3/9

Step-by-step explanation:

3/9 because it goes up 3 right 9

Solve for x. Will mark brainliest for the correct answer.

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Answer:

x= 100 degrees

Because the angles are vertical

Help please! i have gymnastics soon

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Answer:

Step-by-step explanation:

The answer is A for sure

Help please!!!!!!
Explain

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It would equal -6 based on the math I did

Which expression is equivalent to the measure of 24 in the image below?
5
6
3
1
2
4

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I can’t see the image I’m sorry maybe it’s just me

Given a quadratic equation px^2 + 8x + 2 does not have real roots. Determine the range of the values of p.
[4 marks]

Answers

Step-by-step explanation:

For a quadratic equation to have no real roots, the discriminant b² - 4ac must be negative.

For px² + 8x + 2 = 0,

We have a = p, b = 8 and c = 2.

=> (8)² - 4(p)(2) < 0

=> 64 - 8p < 0

=> 8p > 64

=> p > 8

Hence the range for p is p > 8.

Christina needed 8 pounds of flour to make cookies that will
serve 44 people. How many pounds of flour will Christina
need to feed 66 people?

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Answer:

Step-by-step explanation:

4 pounds is 22 people

8 is 44

12 is 66

x+0.5y=1.5 solve for y

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Answer:

Y = 3 - 2x

Step-by-step explanation:

5+4−6=24 plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz

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Answer:

its false

Step-by-step explanation:

5+4-6=24

9-6=24

3=24 3 does not equal to 24 so its false

A thermometer is used to calculate the average kinetic energy of the molecules in in a substance what is the theoretical temperature at which molecular motion stop?
A. 9 degrees Celsius
B. 32 degrees Fahrenheit
C. Absolute
D. 273 Kalvin

Answers

.....The answer is C

y=x+4

2x+3y=17

SOLVE USING SUBSITUTION

Show work

Answers

Answer:

( 1, 5 )

x = 1

y = 1

Step-by-step explanation:

y = x + 4

2x + 3y = 17

Since they gave us the value of "y" we can use that and substitute it into the equation to find what "x" is.

2x + 3y = 17

2x + 3 ( x + 4 ) = 17

Distributive Property

2x + 3 * x + 3 * 4 = 17

2x + 3x + 12 = 17

Combine Like Terms ( 2x and 3x)

5x + 12 = 17

Subtract 12 on both sides of the equation

5x + 12 - 12 = 17 - 12

5x = 5

Divide by 5 on both sides to isolate the variable

5x/5 = 5/5

x = 1

Now that we have what "x" is, we can substitute that into one of the equations to get the value of "y"

y = x + 4

y = 1 + 4

y = 5

x = 1

y = 5

( x, y )

( 1, 5 )

Hope this helped!

Have a supercalifragilisticexpialidocious day!

If water freezes at 0ᴼC, which temperature is above freezing

Answers

Answer:

32 F

Step-by-step explanation:

The answer would be Anything above 0*c

Mrs. Wong planted 3 tulips for every 4 daffodils. Which of the following could be the total number of tulips and daffodils that Mrs. Wong planted?

30 tulips and 44 daffodils

33 tulips and 34 daffodils

34 tulips and 33 daffodils

36 tulips and 48 daffodils

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33 tulips and 34 daffodils

Pls help my brain is fried and this is my last question

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Answer: 14, 16, 18, 20 in that order

Step-by-step explanation:

If the bottom response square is asking for a general equation, it would be y=x+7

Mr Lee has a family of 6 people and Mrs Scarlett has a family of 4. They were given 15 kg of chocolate
when they visited a chocolate factory for work. If they decide to share it so that each family
member gets an equal amount, determine the required ratio and hence calculate how much
chocolate Mr Lee and Mrs Scarlett will each take home to their families.

Answers

Answer:

Mr Lee gets 9kg

Mrs Scarlett gets 6kg

Step-by-step explanation:

First, we have 15kg of chocolate and a total of 6 + 4 = 10 people.

We want to divide the 15kg of chocolate evenly between these 10 people, then we just need to do the quotient

15kg/10 = 1.5kg

This means that each person gets 1.5 kg of chocolate.

Now, Mr. Lee has a family of 6 people, and each one of these 6 people got 1.5 kg of chocolate, then the total amount of chocolate that Mr. Lee will bring home is 6 times 1.5kg:

6*1.5kg = 9kg

And Mrs Scarlett will get the remaining, that is:

15kg - 9kg = 6kg

Mrs Scarlett will get 6kg of chocolate.

declare the variables
set up the equation:
The difference in ages between Joe and his older brother Sam is five years. The sum of
their ages is 35. How old is each brother?

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The answer is 7 because u add them

4|m-n|
If m=-7 and n=2

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you would first substitute -7 for m and 2 for n. It would look like this: 4| -7-2 | . we first solve the absolute value because it is the first step in PEMDAS or order of operations. -7-2 is equal to -9. Our equation should look like this now: 4 |-9| . we solve the absolute value portion, the absolute value of a negative number is the the same number but positive. the absolute value would be 9. (we just take the negative symbol off). we now have 4 x 9. This is equal to 36.

36 is the answer.

I rlly need help and the operation bby plssssss help me

Answers

AFE=35 degrees because 180=55+90+x

Answer:

∠ AFE = 35°

Step-by-step explanation:

∠ EFD = ∠ BFC = 55° ( vertically opposite angles )

Since BD is a straight line , then

∠ EFD + ∠ AFE + AFB = 180°, that is

55° + ∠ AFE + 90° = 180

∠ AFE + 145° = 180° ( subtract 145° from both sides )

∠ AFE = 35°

X + 5x - 6 < 12 solve for inequality

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Answer:

Step-by-step explanation:

x+5x<12

x+5x=12

12-5x

7 divide by 1

MMA-A unit 3 packet

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There’s no question tho?????

Nice it was unite 3 packet

Please hurry!!!!! Also urgent!!!!

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Answer:

x=4

Step-by-step explanation:

20x+5+24x-1=180

44x=176

x=4

y = -x + 3
What is the slope for this?

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The slope for this equation is x=3

Question 1
Solve: 25.6 - 5y + 15. 3

Answers

Answer:

40.9 - 5y

Step-by-step explanation:

25.6 - 5y + 15.3

40.9 - 5y ## ^ combine like-terms

Can someone help with this.

Answers

A
Both would be considered exterior angles.

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