Mathematics High School

2. In the figure below, which pairs of angles are supplementary?
U
W
A) B) C) D) V
72
145
T
S
X
23
30°
R

2. In The Figure Below, Which Pairs Of Angles Are Supplementary?UWA) B) C) D) V72145TSX2330R

Answers

Answer 1

Answer:

angleWTR + angleWTU = 180°

Thus they are supplementary.

Option B.

Related Questions

Work out the surface area of the solid cuboid.
8m
5m
2m

Answers

Answer:

Step-by-step explanation:

T.S.A=2(LXW) + 2(LXH) + 2(WXH)

=2(8mx5m) + 2(8mx2m) + 2(5mx2m)

=(2x40m²) + (2x16m²) + (2x10m²)

=80m² + 32m² + 20m²

=132m²

Sue makes and sells cupcakes. If she has a cost of $1,500 per year plus a cost of $1 per cupcake, how many cupcakes must she sell in order to make a profit if each cupcake sells for $3?

Answers

Answer:

751 cupcakes must be sold to make a profit

Step-by-step explanation:

From the question we are told that

Annual cost= $1,500 per year plus a cost of $1 per cupcake

Each cup cake sell at $3

Generally the profit off the top of each cupcake is $2

Therefore

  [tex]\frac{1500}{2}=750[/tex]

This implies that 750 cupcakes will be sold to cover the annual cost excluding cupcake cost

Generally

751 cupcakes=$1502

Total Annual cost to make a profit

[tex]1(cost\ of\ each\ cupcake)*751+1500=\$2251[/tex]

Total Annual sale

[tex]3(sale of each cupcake)*751=\$2253[/tex]

Mathematically

[tex]2253\$-2251\$=2\$[/tex]

Therefore

751 cupcakes must be sold to make a profit

HELP PLEASE!!!!!!!
A restaurant sells 10 garden salads. If garden salads represent 20% of their total salad sales, how many salads did they sell?

Answers

They sold 50 salads in all.
50 salads
20%=10
100=20x5
5x10=50 salads

Can someone please help me with number 16?

Answers

Answer:

I got 105°

Step-by-step explanation:

Triangle ABC is an isosceles triangle so base angles are equal. <A = 30° (given)

180 - 30 = 150°

150/2 = 75°

the little triangle is also isosceles. the original base angles have been bisected so the base angles are 37.5.

37.5 X 2 = 75°

180-75 = 105°

D = 105°

The value of a baseball​ player's rookie card began to increase once the player retired. When he retired in his card was worth ​$. The value has increased by ​$ each year since then. Express the relationship relating the value of the card y in dollars and the number of years x the player has been in retirement with an equation. Is the relationship between x and y​ proportional? What was the value of the card in ​?

Answers

Answer:

No, x and y are not proportional

The value of card in 2006 = $38.05

Step-by-step explanation:

I got this! I hope this helps!

Order from least to greatest.

1.603; 1.036; 1.36; 1.063

Answers

Answer:

1.036, 1.063, 1.36, 1.603

Step-by-step explanation:

Hope this helped, have a great day :)

1.063, 1.036, 1.36, 1.603

How to calculate slope for a line that goes through
two points.
10.2: Practice
y
Find the slope of the line through these points. Try
making a table.
-3
6
(5.-3) and (-1.6)

Answers

Answer:

The slope is [tex]m=-\frac{3}{2}[/tex]

Step-by-step explanation:

The slope point equation is given by:

[tex]m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}[/tex]

Here:

The first point is (x1,y1)=(5,-3)

The first point is (x2,y2)=(-1,6)

Then, the slope will be:

[tex]m=\frac{6-(-3)}{-1-5}[/tex]

[tex]m=\frac{9}{-6}[/tex]

[tex]m=-\frac{3}{2}[/tex]

 

I hope it helps you!

Class A has 20 pupils and class B has 19 pupils.
Both classes site the same maths test
The mean score for class A is 33.
The mean score for class B is 62
What is the mean score (rounded to 2 DP) in the maths test across
both classes?​

Answers

Answer:

47.5

Step-by-step explanation:

33+62=95

95/2=47.5

A motorboat travels 172 km in 3 hours going upstream and 372 in 4 hours going downstream. What is the rate of the boat in still water and what is the rate of the current?

Answers

Answer:

The rate of the boat is 75.17 km/h and the rate of the stream is 17.83 km/h

Step-by-step explanation:

System of Equations

Let's call:

B = speed (rate) of the boat in still water

S = speed (rate) of the stream

The boat travels 172 km in 3 hours when going upstream, that is when the speed of the stream subtracts its own speed. The speed is the distance divided by the time, thus:

[tex]\displaystyle B-S=\frac{172}{3}[/tex]

Multiplying by 3:

3B - 3S = 172        [1]

The boat travels 372 km in 4 hours downstream when the speed of the current adds to its own:

[tex]\displaystyle B+S=\frac{372}{4}=93[/tex]

B + S = 93

Solving for B:

B = 93 - S       [2]

Substituting in [1]

3(93 - S) - 3S = 172

Operating:

279 - 3S - 3S = 172

279 - 6S = 172

Subtracting 279:

- 6S = 172 - 279

- 6S = -107

Multiplying by -1 and solving for S:

[tex]S = \frac{107}{6}\approx 17.83\ km/h[/tex]

From [2]:

[tex]B = 93 - \frac{107}{6}[/tex]

[tex]B=\frac{451}{6}\approx 75.17\ km/h[/tex]

Good Mornting hru?
3(7)+4(6)=

Answers

Answer:

45

Step-by-step explanation:

im good, u?

CAN SOMEONE PLEASE HELP ME???

Answers

Answer:

f(x)=525+4.75x

Merideth made a model of a pyramid like the one shown for history class.
What is the height of the model?

I un
15 in
app
The
Great!
e Building on the Essential Question How do you solve

Answers

Answer:

12

Step-by-step explanation:

there is a right angle so you can use Pythagoras therom to get the height it's going to be (15)^2-(9)^2 all under a square root = 12 in.

4. Solve the inequality. 9+8 l 4a - 5 l >113​

Answers

Answer:

i need this for a challenge

Step-by-step explanation:


Krutika, David and Mark share some sweets in the ratio
2:2:1. Krutika gets 48 sweets. How many sweets are there
altogether?

Answers

Answer:

120

Step-by-step explanation:

Krutika:48

David: 48

Mark: 48÷2= 24

Because 2 : 2 : 1

48+48+24=120

When paying for a restaurant order, a customer spent $18.00 ( for tip and cost) for a $15.00 meal. What percent was the tip? *

Answers

Answer:

16.67%

Step-by-step explanation:

The customer spent a total of $18 on a $15 meal. This means that, if counting tax within the $15 meal, the tip is $3.

Divide 3 with the total cost:

3/18 = ~0.1667

Change to percentage. Simply move the decimal point to the right two place values, and add a percentage sign:

0.1667 to a percent = 16.67%

16.67% is your answer.

~

Answer:

1.6 %

Step-by-step explanation:

15/18= 8.4

What should be done to both sides of the equation in order to solve -5 m = -40?

Multiply by -5.
Multiply by -40.
Divide by -5.
Divide by -40.

Answers

I think answer should be the first one I think

Answer:

I know for a fact that it is Devide by nagative 5

Step-by-step explanation:

Pls help me I’ll give 100 points

Answers

Answer:

Try option B

Step-by-step explanation:

sub to Pen Paper

Hi there!

So what we have to do here is...

turn 2³ - 1 into 2·2·2-1=4·2=8-1=7.

[tex]\frac{35}{7}=5[/tex]

Final Result: 5

solve for x each figure is a parallelogram

Answers

Answer:

[tex]18x + 8= (180 - 46) = 134 \\ 18x = 126 \\ \boxed{x = 7}[/tex]

7 is the right answer.

9. The hypotenuse of a 45°-45°-90° triangle is 5 sqrt 6. Find the length of one leg of the right triangle.

Answers

Answer:

5 ✓ 3

Step-by-step explanation:

using Pythagoras Theory

(5 ✓ 6 )2 =, 2 x square side

square leg length= 150/ 2=, 75

length =5 ✓ 3

pls help as soon and as quick as possible I really need help​

Answers

Answer:

(1,7)

(0,2)

(-1,-3)

(-2,-8)

put dots on these points and put a line through all of them making on line


Lee needs some school supplies. He will buy 3 notebooks for $1.29 each, 2 dozen
pencils at $3.45 a dozen and a box of pens for $14.85.a box. Lee estimates that he
will spend about $25 on these school supplies.
Is Lee's estimation reasonable? How much will he spend exactly?

Answers

Yes lees estimation is reasonable. He will spend exactly $25.62.

In a complete paragraph, explain why it's important to think about the complexity of your speech.
Use your own words please.

Answers

Answer:

I will try it :)

Step-by-step explanation:

thanks for the points.

ASAP! please help, thanks​

Answers

Answer:

d should be correct

Step-by-step explanation:

prove me wrong

d is the right answer

How to find percents of numbers using multiples of 100, 10, and 1%?
I need this for my summary, please help!!

Answers

Answer:

Im not too sure what the question is

Step-by-step explanation:

but when finding the percent of any number, 10% will always move the decimal over to the left once. So 10% of 300 is 30.0 This also works for 1%, you just move the decimal over twice. So 1% of 300 is 3

Solve for X
6(x + 2) = 66
X =

Answers

Answer:

6(x+2)=66

6x+12=66 -12

6x= 54 :6

x=9

Step-by-step explanation:

prove me wrong

What is the simplest form of this expression?
-x(4x2 - 6x + 1)

Answers

Answer:

−4x3+6x2−x

Step-by-step explanation:

(−x)(4x2−6x+1)

=(−x)(4x2+−6x+1)

=(−x)(4x2)+(−x)(−6x)+(−x)(1)

=−4x3+6x2−x

Yuto and Hila attempted to solve the same inequality. Their work is shown below.

Yuto’s Work
Hila’s Work
Negative two-thirds x + 9 greater-than 7. Negative two-thirds x + 9 minus 9 greater-than 7 minus 9. Negative two-thirds x greater-than negative 2. (Negative three-halves) (Negative two-thirds x) less-than (Negative three-halves) (Negative StartFraction 2 over 1 EndFraction). x less-than 3.
Negative two-thirds x + 9 greater-than 7. Negative two-thirds x + 9 minus 9 greater-than 7 minus 9. Negative two-thirds x greater-than 16. (Negative three-halves) (Negative two-thirds x) less-than (Negative three-halves) (StartFraction 16 over 1 EndFraction). x less-than negative 24.

Which statement is true about the work shown above?
Yuto is correct because he isolated the variable correctly and reversed the inequality symbol.
Yuto is incorrect because he should not have reversed the inequality symbol.
Hila is correct because she isolated the variable correctly and reversed the inequality symbol.
Hila is incorrect because she should not have reversed the inequality symbol.

Answers

Answer:

Yuto is correct because he isolated the variable correctly and reversed the inequality symbol.

Step-by-step explanation: hi

Answer:

The answer is A

Step-by-step explanation:

In other words, Yuto is correct because he isolated the variable correctly and reversed the inequality symbol.

Hi I need help please

Answers

Answer:

15%

Step-by-step explanation:

Percent Error formula is the difference between the Actual and the guess value    divided by the actual.

So it's 198- 172  /  172  x 100

= 15%

I= $164.50, P = $940, t = 2.5
Find the annual interest rate

Answers

250.35 that the anwers hope this help a lot

Determine, in general form, the equation of the line that goes through the
point (3,-6) and is perpendicular to the line shown: 5x + 3y + 9 = 0

Answers

Answer:

I got

y=3/5x -39/5

Step-by-step explanation:

Hope this helps

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