Mathematics Middle School

A tributary joins a river at an angle. Find the value of x.
WhAt this is- just- uGh

A Tributary Joins A River At An Angle. Find The Value Of X.WhAt This Is- Just- UGh

Answers

Answer 1

Answer:

x = 53

Step-by-step explanation:

I'm going to assume that this is just a real-life scenario of two lines intersecting to create two adjacent angles that are also a linear pair. So, the following equation can be set up to solve for x.

x + 2x + 21 = 180

3x + 21 = 180

3x = 159

x = 53

Time to check.

53 + 2(53) + 21 = 180

53 + 106 + 21 = 180 It works!

Answer 2

Answer:

x = 53º

Step-by-step explanation:

The two angles form a supplementary angle, telling us that the sum of the two equal 180º, allowing us to form one side of the equation.

2x + 21 + x = 180

+x

3x + 21 = 180

     -21     -21

3x = 159

159/3 = 53

x = 53º

(also I know it doesn't say you have to find the value of each angle but just in case lol)

Now that we have x, the first angle equals 53º. Just plug in 53 to the other side

2(53) + 21

106 + 21 = 127

just to check, 127 + 53 = 180

Related Questions

Here is a quadrilateral inscribed in a circle. Jada says that it is square because folding it along the horizontal dashed line and then the vertical dashed line gives 4 congruent sides. Do you agree with Jada? Explain why or why not.

Answers

Answer:

yes

Step-by-step explanation:

because all the side are congruent, and there are four right angles that can be seen in the image!

Please, please help me!

Answers

Answer:

X in.

Step-by-step explanation:

Answer:

x = 6

Step-by-step explanation:

We use the Pythagorean theorem

a^2 + b^2 = c^2, here, x is a, x + 2 = b, and 10 is c

x = 6:

6^2 + (6 + 2)^2 = 10^2

36 + 8^2 = 100

26 + 64 = 100

100 = 100

x = 6

Please help me with this volume problem!♪☂♧(^.^)

Answers

Answer:

C

Step-by-step explanation:

What is the perimeter?

Answers

Answer: 24

8 + 6 = 14

to find the other missing measure (slanted side) use pythagorean theorem

c^2 = a^2 + b^2

c^2 = 6^2 + 8^2

c^2 = 36 + 64

c^2 = 100

c = 10

then add all the measurements since it’s perimeter

10 + 6 + 8 = 24

Answer:

P=22

Step-by-step explanation:

b=8

h=6

the slanted side=8

8+8+6=22

Find the area of the triangle. (Round your answer to the nearest hundredth.)

Answers

The answer is 3/25 or .12. Use the formula 1/2bh to find the area of triangles.
1/2(.4)(.6)
1/2(.24)
.12

hope that helps :)

Darnell is trying to understand the Pythagorean Theorem by drawing a few triangles. He found that 1² + 1² = (√2)² is accurate. Which statement is true about Darnell’s triangle?

A. The triangle is not a right triangle because the lengths of its sides measure the same.

B. The triangle is not a right triangle because the hypotenuse is shorter that the lengths of its sides.

C. The triangle is a right triangle, the lengths of its sides are 1 and √2 with a hypotenuse of 1.

D. The triangle is a right triangle, the lengths of its sides are 1 and 1 with a hypotenuse of √2.

PLEASE HELP ASAP!!!!

Answers

Answer:

D. The triangle is a right triangle, the lengths of its sides are 1 and 1 with a hypotenuse of √2.

Step-by-step explanation:

The Pythagorean Theorem is modeled by a² + b² = c².

c represents the hypotenuse and a and b represent the other two sides.

The Pythagorean Theorem can only be applied to right triangles.

Answer:

D.

Step-by-step explanation:

Srry if your question was already answered but im very sure its D.

A different random sample of 1,000 people yielded the results recorded in table 2. Use this data to answer the questions that follow.


Part A
What percentage of Americans would you predict wear corrective lenses?

NOTE: this is table 2 just in case you wanted to know or if u got confused/just a double check :)

Answers

74.5 percent I did 745 out of 1000 as a percent
74.5 but im not sure

Can someone please help me

Answers

Your answer would be your answer would be 108
108 is ur answer ur welcome

anyone know how to do these questions

Answers

75% because each section is 25%, so if you add 25 from each section, you get 75%

A rectangular prism has a volume of 912 cubic meters. It has a length of 19 meters and a width of 12 meters. Which equation could be solved to find the height of the rectangular prism?











A)114h = 912


B)228h = 912


C)15.5h = 912


D)31h = 912

Answers

Answer:

B. is the correct answer.

Thank you.

Step-by-step explanation:

B is the best answer to go with

A bag contains 4 orange tiles, 6 red tiles, and 8 black tiles. You select one tile at random from the bag. What is the probability that you select a black tile?

Answers

Answer:

8 out 18

Step-by-step explanation:

8/18 because you add all the tiles together (18) and you have 8 black tiles

If we changed the -0.14 to a 2 in the equation, what would happen to the graph?

Answers

Answer:

It would become a positive graph meaning a positive slope or it would be more steeper

Step-by-step explanation:

math problem time lol

Answers

I think it’s number 4 if I am correct

Plz help
I have to write at least 20 characters fdghjklko;l

Answers

Answer:

we

Step-by-step explanation:

yes it’s a good idea to have a sub for me and my mom is coming to the house to pick up some food for me tomorrow right now I just don’t wanna go back on time for lunch

plz help will give brainliest what is tan 330

Answers

−0.5773. i believe that it’s

Find the area of the trapezoid

Answers

Answer:

Please the attached file for the answer. I hope that helps

It’s 40.5 :))) hope this helps

Find the volume of the following figure. 60 units 3 64 units 3 58 units 3 62 units​

Answers

I believe it’s 60 units

Answer:

The answer is 60 units³

Step-by-step explanation:

3 x 5 x 4 = 60.

Hope  this helps you :)

HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

When finding the radius or diameter, you divide or multiply by 2 to find the radius (half length of the circle) you divide by 2 and to find diameter (full length of the circle) you multiply by 2
Hope this helps!!

Can someone help me please?


DONT ANSWER WITH IRRELEVANT WEBSITES OR LINKS!!!

Answers

Answer:

Surface area of a cube = 6a²

a = 8.5 cm

Area = 6 × (8.5)² = 433.5 cm²

433.5000 Meters

Brainly only wants answers with 20 characters or more so here you have a pizza recipe

Someone please find the final percentage after adding these percentages. Trying to find out if I'll pass 8th
44.53
47.02
66.45

Answers

Answer:

1. 58 is what I got on my calculator

yep i agree i think it’s 58

The cost of donuts in Dunkin Donuts is directly proportional to the number of donuts purchased. Justin paid $5.04 for 7 donuts. If c represents the cost, in dollars, and d represents the number of donuts purchased, which equation best represents this relationship?

Answers

Answer:

Step-by-step explanation:

5.04=c*d

5.04=c*7

÷7        ÷7

c=.72

i hope that I didn’t read it wrong.

Answer:

5.04=c*d

5.04=c*7

÷7        ÷7

c=.72

Step-by-step explanation:

If we changed the 3 to a 0 in the equation, what would happen to the graph?

Answers

Answer:

The graph will be three units lower

Step-by-step explanation:

The graph will be three units lower

The position of the graph will shift 3 units lower on the y axis.

If we changed the 3 to 0

What is the equation?

Equation, is  values of two expression that are equal.

now,
y = -.14x
y=-0.14x passes through origin as shown in the graph attached below.

Learn more about equation here:
https://brainly.com/question/10413253

#SPJ2

Drama students are selling tickets to their production of Dracula. A total of 143 tickets were sold for Saturday’s matinee. An adult ticket costs $7, and a student ticket costs $5. A total of $821 was collected. The students wrote the system of equations below and found that the solution was (90, 53). x + y = 143. 5 x + 7 y = 821 How much money did they make on adult tickets? They made $53 on adult tickets. They made $90 on adult tickets. They made $265 on adult tickets. They made $371 on adult tickets.

Answers

Answer:

d

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

give credit to the person on top I just did the quiz tho so the answer is D

Ppppplllssssssss help!

I promise to award brainliest

20 points

Answers

Answer:

I don't know but i will search for you

Step-by-step explanation:

give me 20 points like you said

Answer:

i dont know mate but ill take some of those brainlist too

<3

Step-by-step explanation:

The function V(t) = 1,000(1.06)2t models the value of an investment after t years. What does the coefficient “2” represent in the exponent of the function?

Answers

Answer:

a

Step-by-step explanation:

a

Plz help me thank you

Answers

Answer:

The answer is 420.

Step-by-step explanation:

Because since we know it wants 140 grams of fish. And twice as many pasta than fish. You can simply just do this: 140 x 2 = 280. So 140 + 280 will = 420. There you go!

420 grams
Do 140 x 2 to get the pasta (double the fish) to get 280. Then add the grams of fish back 280 + 140 which equals 420 grams

XD PLZ HELP ME I DONT UNDER STAND PLZ IM BEGGING

Answers

Answer:

the volume for the second page is 607.5

Step-by-step explanation:

Answer:

40 and 202.5 m³

Step-by-step explanation:

(7)

Since the figures are similar then the ratios of corresponding sides are equal, that is

[tex]\frac{PQ}{16}[/tex] = [tex]\frac{30}{12}[/tex] ( cross- multiply )

12 PQ = 480 ( divide both sides by 12 )

PQ = 40 in

-------------------------------------------------------------------

The volume (V) of a pyramid is calculated as

V = [tex]\frac{1}{3}[/tex] Ah ( A is the area of the base and h the height ) , then

V = [tex]\frac{1}{3}[/tex] × 9² × 7.5

   = [tex]\frac{1}{3}[/tex] × 81 × 7.5

   = 27 × 7.5

   = 202.5 m³

12. Tiger Woods was 4 under par (-4) in the first round. He shot 2 over par (+2) in the second round. He shot the same score in the 3rd and 4th rounds. He finished at 8 under par ( -8). What did he shoot in the 3rd and 4th rounds?

Answers

I think -3; If the final par was -8, you would subtract (-4 + 2), you would get -6. Then you just divide it in half because it said he scored the same in rounds 3 and 4, leaving you with -3.

Find the surface area
Length=8
Width=10
Height=6

Answers

Answer:

A

Step-by-step explanation:

2(8)(6) + 2(8)(10) + 2(6)(10) = 376

answer is (A) 376 m^2

Every weekend Jill bikes 7.5 miles from home to the tennis court. His cousin Jun does the same thing. He bikes 80% as far as Jill. How many miles does Jun bike from home to the tennis court every weekend?Please show how you got your answer.

Answers

80% of 7.5 is 6.
so if he travelled 80% further, it would be 7.5+6 which is
13.5

Answer:

53.2

Step-by-step explanation:

MY REASONING FOR THIS IS BECAUSE 80% of 9.5= 7.6 and because a weekend has 7 days then you have to multiply 7.6*7 which is 53.2.

Other Questions
A zoo has 15 toucans and 75 parrots What is the ratio of the number of toucans to the number or parrots in the zoo How can you know if something has energy?(Can you explain it in a sentence?) Which expression is equivalent to 4 + 2(1 + 3x)? A 24xB 6 + 6x C 4 + 8x D 6+18xno links please Marianne's ring has a radius of 8mm. She needs to get it resized so that the circumference is 52 mm. How much larger will the new circumference be? Round your answer to the nearest tenth The formula F=1.8C+32 can be used to convert temperature units. F is degrees Fahrenheit, and C is degrees Celsius. When would you most likely summarize a book? por qu es importante conocer las lenguas indigenas During World War I, the second phase in battles that crossed enemy lines and approached trenches was heavy bombardment. sniper fire. aerial bombing. infantry attack. Karen buys candy that cost $5 per pound. She will spend more than $35 on candy. What are the possible numbers of pounds she will buy? What is the value of X? Type of money system designed by thomas jefferson Write a paragraph about Oline Learning Is Not Effective. Why did the radical Republicans reject the 10% plan Could anyone pls give the ans of 8th pls? Generally the ionization potential in a period increases, but there are some exceptions. The one which is not an exception is1) Be & B 2) N & O 3) Mg & Al 4) Na & Mg What is the area of triangle ABC in the simplest terms? The vertices of JKL are J(3, 2), K(1, 4), and L(4, 2). Which coordinate pairs are vertices of D5(JKL)? Select all that apply. Best answers will be marked brainliest Help Please!! Struggling with this for a while In Springfield, the library is 24 kilometers due south of the courthouse and 32 kilometers due west of the community swimming pool. What is the distance between the courthouse and the community swimming pool?