A triangle has one 30° angle, an unknown angle, and an angle with
a measure that is twice the measure of the unknown angle. Find the
measures of the triangle's unknown angles and explain how you
found
the answer

Answers

Answer 1

Answer:

50 and 100

Step-by-step explanation:

We know a triangle's interior angles add up to 10 and 30+x+2x=180. We can solv from there.

30+x+2x=180Add like terms, 30+3x=180Subtract. 3x=150Divide, x=50

Check your work.

30+1(50)+2(50)=180Multiply, 30+50+100=180Add, 180=180

Related Questions

6p = 3p + 2p + p is true for

Answers

Answer:

For any value

Step-by-step explanation:

Answer:

Anything substituted for p should be correct

Step-by-step explanation:

Given that [tex](ax+4)(2x+b)=2x^2+5x-12[/tex], what are the values of a and b?

Answers

Answer:

a = 1, b = - 3

Step-by-step explanation:

Expand the factors on the left side, then compare the coefficients of like terms on both sides.

left side

(ax + 4)(2x + b) ← expand using FOIL

= 2ax² + abx +8x + 4b

= 2ax² + x(ab + 8) + 4b

Compare coefficients of like terms with those on right side.

coefficients of x² terms

2a = 2 ( divide both sides by 2 )

a = 1

comparing constant terms

4b = - 12 ( divide both sides by 4 )

b = - 3

Will give brainlyest Will give brainlyest Will give brainlyest Will give brainlyest Will give brainlyest.idk and if you give me the answer can you tell me if I put it on the far right or left

Answers

Answer:

so i tried to draw it.

Step-by-step explanation:

Answer:

left

Step-by-step explanation:

plz i need 4 more brainlyests to pass

Suppose IQ scores were obtained from randomly selected couples. For 20 such pairs of​ people, the linear correlation coefficient is 0.907 and the equation of the regression line is y=9.88+0.9x​, where x represents the IQ score of the husband. What is the best predicted IQ of the wife​, given that the husband has an IQ of 101​?

Answers

Answer:

108.88

Step-by-step explanation:

Given that:

Equation of Regression line obtained for couple's IQ:

y=9.88+0.9x

x represents the IQ score of the husband

The best predicted IQ of wife Given that husband's IQ is 110

y = 9.88 + 0.9(110)

y = 9.88 + 99

y = 108.88

Please help is this a solution or inequality 5-x<8;x=-3

Answers

Answer:

Its a inequality

Step-by-step explanation:

YOUR WELCOME LOVE YOU

This is an inequality. Refer to the char below.

The two expressions we have is ‘5 - x’ and ‘8’. If X is equal to three, then we get ‘5 - 3’ and ‘8’. This comes out to 2 > 8.


Hope this helps :)

Factor 14x−24 using the GCF

Please help me! Hurry! Please show your work.

Answers

Answer:

2(7x - 12)

Step-by-step explanation:

Find the GCF of 14 and 24: 2Divide each number by 2 shown in steps 3 and 414x ÷ 2 = 7x24 ÷ 2 = 12Re-write the expression: 2(7x - 12)

I hope this helps!

LaShea would like to invest her $100 in birthday money. Which option will give her the most money at the end of the investment period?

1 year at 8 percent

1.5 years at 7 percent

2 years at 6.5 percent

3 years at 4 percent

Answers

Answer:

1 year at 8 percent

Step-by-step explanation:

i took the test

PLEASE I NEED IMMEDIATE HELP I will give brainliest

BD=16 and ÁT is the
perpendicular bisector of BD
BC=

Answers

Answer:

8

Step-by-step explanation:

16/2=8

Answer:

8

Step-by-step explanation:

A bisector bisects a line in HALF. Thus, by dividing 16 in half you will get BC=8.

y=-4/7x+2 is it Proportional

Constant of proportionality: k=



Not proportional

URGENT

Answers

Answer:

It is  

5/7

Explanation:

The number  

5/7

tells you that when  

x

increases of  

1

then  

y

always increases of  

5/7

.

Graphically:

graph{7/7*x [-10, 10, -5, 5]}

Step-by-step explanation:

A pre-image arrow pointing east is rotated 135° clockwise. In which direction is the image arrow pointin​

Answers

Given :

A pre-image arrow pointing east is rotated 135° clockwise.

To Find :

In which direction is the image arrow point.

Solution :

90° clockwise shift make it south.

Now, remaining angle for rotation ( 135 - 90 )° = 45°.

So, direction of moving 45° more clockwise makes it 45° west of south or 45° south of west.

Hence, this is the required solution.

HELP PLS this is my last question

Answers

Answer:

The solutions to the system of the equations are:

[tex]y=1,\:x=3[/tex]

Step-by-step explanation:

Given the equations

[tex]y=\frac{2}{3}x-1;\:y=-x+4[/tex]

solving the system of equation

[tex]\begin{bmatrix}y=\frac{2}{3}x-1\\ y=-x+4\end{bmatrix}[/tex]

Arrange equation variables for elimination

[tex]\begin{bmatrix}y-\frac{2}{3}x=-1\\ y+x=4\end{bmatrix}[/tex]

[tex]y+x=4[/tex]

[tex]-[/tex]

[tex]\underline{y-\frac{2}{3}x=-1}[/tex]

[tex]\frac{5}{3}x=5[/tex]

[tex]\begin{bmatrix}y-\frac{2}{3}x=-1\\ \frac{5}{3}x=5\end{bmatrix}[/tex]

solving for x

[tex]\frac{5}{3}x=5[/tex]

[tex]5x=15[/tex]

Divide both sides by 15

[tex]\frac{5x}{5}=\frac{15}{5}[/tex]

[tex]x=3[/tex]

[tex]\mathrm{For\:}y-\frac{2}{3}x=-1\mathrm{\:plug\:in\:}x=3[/tex]

[tex]y-\frac{2}{3}\cdot \:3=-1[/tex]

[tex]y-2=-1[/tex]

Add 2 to both sides

[tex]y-2+2=-1+2[/tex]

[tex]y=1[/tex]

Therefore, the solutions to the system of the equations are:

[tex]y=1,\:x=3[/tex]

please yall im crying this is hard

Answers

Answer:

I think ur and is 4140. but I'm not sure, sorry if its incorrect.

Ella is putting her savings into a retirement fund that will compound her $7000 semiannually at 7% interest. How much will her retirement fund be worth after 10 years? *

Answers

Answer:

8099

Step-by-step explanation:

Morag typed 60 words in one minute. Express as a unit rate.

Answers

Answer:

60 words per minute...60/1...this is already in unit rate form

PLEASE HELP MEEEEE!!! IT's TIMED

Answers

Answer:

x is less than oe equal to 12

Answer:

x ≤ 15

Step-by-step explanation:

7x - 6 ≤ 3x + 54

Subtract 3x from both sides;

4x - 6 ≤ 54

Add 6 to both sides;

4x ≤ 60

Divide both sides by 4;

x ≤ 15


please help
answer choices are:
a (-2,-8)
b (2,-8)
c (2,-4)
d. (-2,4)

Answers

The answer is c because you add 6 to the x-value and add 2 to the y-value. When reflecting across the x-axis, the y-value flips signs

Mole Conversion:
What is the mass of 3.13 x 1023 molecules of carbon dioxide?

Answers

Answer:

The mass of 3.13*10²³ molecules of carbon dioxide is 22.88 g.

Step-by-step explanation:

Avogadro's Number or Avogadro's Constant is the number of particles that make up a substance (usually atoms or molecules) and that can be found in the amount of one mole of said substance. Its value is 6.023*10²³ particles per mole and it applies to any substance.

Then you can apply the following rule of three: if 6.023*10²³ molecules are present in 1 mole, 3.13*10²³ molecules are present in how many moles?

[tex]moles=\frac{3.13*10^{23}molecules*1 mole }{6.023*10^{23}molecules}[/tex]

moles= 0.52

Since the molar mass of carbon dioxide is 44 g / mole, then the following rule of three can be applied: if there are 44 g in 1 mole, how much mass is there in 0.52 moles?

[tex]mass=\frac{0.52 moles*44 g}{1 mole}[/tex]

mass= 22.88 g

The mass of 3.13*10²³ molecules of carbon dioxide is 22.88 g.

A parking lot that has 520 spaces

was filled with 390 cars. What

percent of the parking lot was full?

Answers

Answer:

75%

Step-by-step explanation:

390/520 = 0.75 =75

hope that helps ;)

Answer:

75%

Step-by-step explanation:

390/520×100%

0.75×100%

75%

What is x-2+5x

What is -4x-10+6x

What is 7+10x+4x-8

Answers

Answer:

What is x-2+5x = 6x-2

What is -4x-10+6x = 2x-10

What is 7+10x+4x-8 = -4x+9

Step-by-step explanation:

factor completely, 0.2x + 0.8 a. x b. 0.8(x + 1) c. 0.2(x + 1) d. 0.2(x + 4)

Answers

Answer:

d. 0.2 ( x + 4 )

Step-by-step explanation:

0.2x + 0.8

Both 0.2x and 0.8 have a common factor of 0.2, hence pull 0.2 out.

0.2x + 0.8

0.2 ( x + 4 )

7
Which two whole numbers is 20 between?

Answers

Answer:

19 and 21

Step-by-step explanation:

... 17, 18, 19 , 20, 21, 22, 23 ,24, 25

What is the range of the relation below?

Answers

Answer:

D.

Step-by-step explanation:

because the lowest y is -3 and the highest is 2

Answer is D hope this helps

Quickly XD!
3 friends share 2 pizzas evenly.
About how much pizza will each friend get?
Sorry if you tryna enjoy your weekend I Needa get this done.

Answers

y=2/3 orange for each friend (decimal: 0.6667 rounded to 4d. p)

PREMISES

y=the fraction of 2 oranges that each of 3 friends shares equally

CALCULATIONS

To distribute 2 oranges equally between 3 friends requires that the oranges be sliced proportionately equal to the number of friends which is 3

So, then,

y=

Each friend receives 1/3 of each of 2 oranges making 2/3 orange for each friend.

If y=2/3 orange, then the equations

3*2/3 orange=2 oranges

6/3 oranges=2 oranges and

2 oranges=2 oranges prove the solution y=2/3 orange to the fraction of 2 oranges shared by each of 3 friends

What is a common tip percentage amount that people receive?

Answers

20% is a common tip

Answer:

15-20%

Step-by-step explanation:

can u make me brainiest thanks

PLS HELP! DUE TODAY! I WILL GIVE BRAINLIEST!
In the following activity, match each pair of equivalent expressions.
3(x + 5)
9x - 2(3x - 3)
(x + 14) - (8 - 2x)
(7 - 2x) + (3x - 11)
(7 + 5x) + (-4x - 1)
-2x + 9 + 5x + 6
-4(x + 1) + 5x
-7 + 6x - 4x + 3
2(x - 2)
-3x + 6 + 4x

Answers

Answer:

Matches are:

1 and 6

2 and 3

4 and 7

5 and 10

8 and 9

Step-by-step explanation:

First just expand all:

1. 3x + 15

2. 3x + 6

3. 3x +6

4. x - 4

5. x + 6

6. 3x +15

7. x - 4

8. 2x - 4

9. 2x - 4

10. x + 6

Please give brainliest! Thanks, hope this helps!

solve for x 5(4x-5)+3x-1=20

Answers

Step-by-step explanation:

20x-25+3x-1=20

20x+3x=20+25+1

23x=46

X=2

Answer:

x=2

Step-by-step explanation:

5(4x-5)+3x-1=20 (given)

20x - 25 + 3x -1 = 20 (distribute)

23x -26 = 20 (combine like terms)

23x = 46 (add)

x=2 (division)

what is the common fraction of the decimal 0,76​

Answers

19/25 saesdfggggvvvvbbbnnbbnn

Answer:

76/100

Step-by-step explanation: 76 is in the hundreds place

By the square property, if b is a real number , and a2=b, then a=

Answers

Answer:

[tex]a=\sqrt{6},\:a=-\sqrt{6}[/tex]

Step-by-step explanation:

Given

b is a real number[tex]a^2=b[/tex]

as

[tex]\mathrm{For\:}x^2=f\left(a\right)\mathrm{\:the\:solutions\:are\:}x=\sqrt{f\left(a\right)},\:\:-\sqrt{f\left(a\right)}[/tex]

so

[tex]a^2=6[/tex]

[tex]a=\sqrt{b},\:a=-\sqrt{b}[/tex]

Therefore,

[tex]a=\sqrt{6},\:a=-\sqrt{6}[/tex]

Answer:

lal

Step-by-step explanation:

ap3x

) Solve this equation: − 10 + = 8 + 2 − 18

Answers

Answer:

I think the question is wrong check ur question and I will answer

Find the square of each imaginary number.
(Get rid of the i)

Answers

Answer:

- 32/21 over 5 is

Step-by-step explanation:

*gets coins and runs to the store to get "milk"

Answer:

-765/25

Step-by-step explanation:

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In this excerpt of The Highwayman by Alfred Noyes, which sound device does the second line contain? The wind was a torrent of darkness among the gusty trees. The moon was a ghostly galleon tossed upon cloudy seas. The road was a ribbon of moonlight over the purple moor, And the highwayman came riding Ridingriding The highwayman came riding, up to the old inn-door. A. consonance B. alliteration C. onomatopoeia D. assonance 12points I will give pls help Part AThe first step in writing your essay is choosing your topic and coming up with a thesis. In the space provided below,identify your research topic and write down your thesis statement. Need some answers preferably in the next 24 hours 4 ^-2 x 4^-4 A cylinder has a base diameter of 18 feet and height of 15 feet . What is its volume in a cubic feet to the nearest tenths place ? What is the area of this shape?units squared Who are frontiersmen?tradesmenpeople who live far away from the edge of undeveloped landfarmerspeople who live on the edge of undeveloped land List the angles in order from shortest to longest.De, CE, CD What does it mean that people feared the Cold War would turn "hot"?A Tensions might erupt into warfare between the United States and the Soviet Union.B The Soviet Union might change its government.The climate of the Soviet Union, typically cold, would become hot.The Soviet Union might spread its government and economic system to the U.S. a basketball team won 60% of their games this season. If the team won 18 games this season, how many games did they play?A.16 gamesB.30 gamesC.42 gamesD.78 games How do ocean currents, warm currents, and cold currents affect weather and climate patterns? If the force is applied to a car, then its acceleration will ___________ because of Newton's _____________. Least to greatest -5.9, 23/4, 5.9, 58%, Which phrase best completes this conversation? Abuelita Rosa: Francisco, t puedes poner la nevera en la casa?. Francisco: S, abuelita. Juanita y yo podemos ________________. A. poner la nevera en el bao B. poner la comida en la nevera C. ponen la nevera en el hall de entrada D. poner la nevera en la silla E. poner la nevera en la cocina fcilmente write the equation of the line in slope intercept form . Which of the following are square roots of 8 + 8iStartRoot 3 EndRoot? Check all that apply.Negative 2 + 2 I StartRoot 3 EndRootNegative 2 minus 2 I StartRoot 3 EndRoot2 + 2 I StartRoot 3 EndRootNegative 4 + 4 I StartRoot 3 EndRoot4 minus 4 I StartRoot 3 EndRoot4 + 4 I StartRoot 3 EndRoot What are you paying for when you lease a car? A.the purchase price of the carB.)the production costs of the carC.)rent on a parking spaceD.)the decrease in the car's value In towns with great _______________, which often had fine libraries, students could hope to learn from distinguished scholars and receive an education.Group of answer choicesA.MosquesB.CathedralsC.TemplesD.Monasteries What is the slope of the line. Electron micrographs following freeze fracture of the plasma membrane indicate that