11. Which pair of angles is always congruent?
A two complementary angles
B two supplementary angles
C two vertical angles
D two acute angles

Answer:

[tex] 4 \:cm^2 [/tex]

Step-by-step explanation:

Total area of the figure

[tex] = \frac{1}{2} bh \\ \\ = \frac{1}{2} \times 4 \times 2 \\ \\ = 4 \: {cm}^{2} [/tex]

Answer:

True

Step-by-step explanation:

Answer:

i think its true but u can also copy and paste some of it like this: Is the energy transferred from a firepit to my cold hands transferred through the process called radiation?

Step-by-step explanation:

Answer:

Oh boy, here we go:

17) 20

18) 135

19) 142

20) 14

21) No

10) B (I believe)

11) A

12) A

13) A

14) A

15) A (I don't know why these are all A...)

16) C (Yay, it's not A)

Step-by-step explanation:

I think you need this ASAP and don't want to wait for me to type this all out...

Answer:

17.

45 + 5x + 35 = 180

5x + 80 = 180

x = 20

18.

5x + 35

5(20) + 35 = 135 degrees

19. Choice D. 142

20. Choice C

5x - 10 = 60

x = 14

21. Yes

10. Choice B (-3, -5)

11. Choice A (-3, 2)

12. Choice B, reflection across the y-axis

13. Choice A, y-axis

14. Choice A

15. Choice A

16. Choice A

Answer:1,3,and 5

Step-by-step explanation:

Answer:

25² · 40 π in.³

Step-by-step explanation:

V = πr²h

π · 25² · 40

≈ 78539.81634

Since your question wants it in a different way, you have to know the formula.

V = πr²h

V = r² · h π in³

v = 25² · 40 π in³

Answer:

Step-by-step explanation:

The very bottom one I am sure

Answer:

Option 4

Step-by-step explanation:

The volume of a cylinder is going to be the area of the base (which is a circle) times the height. if you have cylindrical mug, then you can use the base area×height relationship, but it won't be exact because some of the volume is going to be used for the walls of the mug itself.

Anyways:

Volume = Base Area × Height

•Base Area -> Circle = π×radius²

•Height is given as 7in.

Volume = π×(6.2in)² × 7in = 845.33975...

Volume is in units cubed (the 3rd power) which is where the in³ is from. Your closest option here looks to be the 4th choice.

Answer:

= (X-1) (-2X- 6)

Step-by-step explanation:

Answer:

99.7%

Step-by-step explanation:

The empirical rule formula states that:

68% of data falls within 1 standard deviation from the mean - that means between μ - σ and μ + σ .

95% of data falls within 2 standard deviations from the mean - between μ – 2σ and μ + 2σ .

99.7% of data falls within 3 standard deviations from the mean - between μ - 3σ and μ + 3σ

Step 1

We have to find the number of standard deviations from the mean

μ = Mean = 1800 hours

σ = Standard deviation = 25 hours

For 1725 hours

μ - xσ =

1800 - 25x = 1725

25x = 1800 - 1725

25x = 75

x = 75/25

x = 3

For 1875 hours

1800 + 25x = 1875

25x = 1875 - 180

25x = 75

x = 75/25

x = 3

Step 2

From the above calculation, the bum of standard deviations from the mean is 3

Hence, the percentage of light bulbs last between 1725 hours and 1875 hours is 99.7%

Answer:

15 + 0.05x ≤ 50

Step-by-step explanation:

The cost needs to be less than or equal to 50. Thus, the equation would be

15 + 0.05x ≤ 50

Answer:

x=25

Step-by-step explanation:

2x+40=90

90-40=50

50 divided by 2 is 25

x=25

answer:

=y^(-4+3)

=y^ (-1)

Answer:

d) I, II and III.

Step-by-step explanation:

Two circles are similar when the two circles have different or equal radii. In case I, we have similar circles that are congruent and non-concentric, since their radii are equal. In case II, we find two similar circles which are secant to each other. Lastly, the case III represents two similar circles which are concentric.

Therefore, I, II and III show pairs of similar circles.

Answer:

m∠DEC  = 50° to the nearest degree

Step-by-step explanation:

cos D = adjacent side/hypotenuse

         = 36/56

m∠DEC = arccos (36/56) =50° to the nearest degree

Answer:

=z ^(-11) + ^(-15)

= z ^ -26

Answer:

z^-11 times z^-15 = z^-26

Step-by-step explanation:

According to exponential properties, multiplying two numbers that have exponents with the same bases should be added.

Negative exponents mean to go from a^-x to 1/a^x.

Using these properties, we evaluate the expression.

Both terms have the same base, z, so we can go ahead and add the exponents.

-11 + -15 = -26

z^-11 * z^-15 = z^-26

Because the instructions specifically say to leave it in z^n form, our answer is z^-26.

Hope this helped!!

Answer:

1/4

Step-by-step explanation:

there are 2 multiples of 3, 3 and 6

2/8=1/4

Answer: 1/4 chance (second option on the screen)

Step-by-step explanation:

dw probability is confusing to a lot of ppl

so if you count the sections theres 8 in all

to see the probability we must find how many times we will get a positive outcome, or what we want (the multiple of 3)

lets see how many multiples of 3 there are

theres 3 and 6

thats  two out of the eight possible outcomes at any moment u spin the spinner

so thats an 2/8 chance

you can simplify that fraction to a 1/4 chance, so its the second option on your screen

Answer:

I believe thats the furthest

Step-by-step explanation:

Answer: It’s plot C

That’s because if you count how many fives there are then that’s how many dots same with four there two and one.

Answer: C

Step-by-step explanation:

C is the only statement that is correct

it's all based on negative numbers :)

Answer:

It will cost $6.84 for 4 litres of petrol

Step-by-step explanation:

$17.10÷10=$1.71.

$1.71×4=$6.84

Answer:

12 marbles

Step-by-step explanation:

First, add the marbles together.

3 + 4 + 6 + 2 = 15

Then, put the 6 in the numerator.

6/15

Next, multiply by 2 to make the denominator 30.

12/30

Kay should expect 12 out of her 30 marbles to be green

Have a wonderful day! :)

Answer:

B.

Step-by-step explanation:

Brainliest???

Step-by-step explanation:

Option B is the correct answer

Answer:

A maximum of 4 days

Step-by-step explanation:

Inequality: 95 + 11.50x ≤ 150

Okay so the 95 is his fee. Then for everyday, it's 11.50 and we don't know how many days yet, so 11.50x. The 95 dollars and the 11.50x has to equal to or less than 150 since that is how much he has to spend on vaca.

95 + 11.50x ≤ 150

-95                   -95

11.50x ≤  55

/11.50       /11.50

X=4.78260869565

You would round down since he has a budget.

Answer:

see below

Step-by-step explanation:

w = x+y/z

Subtract x from each side

w-x = x+y/z -x

w-x = y/z

Multiply each side by z

(w-x) *z = y/z*z

(w-x) *z = y

You can distribute the z if desired

wz -xz = y

Answer:

y = z(w - x)

Step-by-step explanation:

w = x + y/z

Subtract x from both sides

w - x = y/z

Multiply both sides by z

z(w - x) = y

Flip

y = z(w - x)

Answer:

1. 147°

3. 147°

4. 33°

Step-by-step explanation:

hope this helps!

Answer:

C

Step-by-step explanation:

A P E X

(6, 9) is the coordinates of R after the translation (x,y) (x+ 1, y - 2),followed by a dilation by a scale factor of 3,

Graph is a mathematical representation of a network and it describes the relationship between lines and points.

Quadrilateral RUST has a vertex at R (1,5)

We have to find the coordinates of R after the translation (x,y) of (x+ 1, y - 2)

(1, 5)-->(1+1, 5-2)

Coordinates after translation are (2, 3)

Now by a dilation by a scale factor of 3, centered at the origin

so R'(6, 9)

Hence, (6, 9) are the coordinates of R after the translation (x,y) (x+ 1, y - 2),followed by a dilation by a scale factor of 3,

To learn more on Graph click:

https://brainly.com/question/17267403

#SPJ5

Answer:

Yes, they would get different values

Step-by-step explanation:

Given

[tex](4 * 35) + (36 * 8)[/tex]

Required

Would there be different value for the expression?

From the question, we understand that both students made no computational errors. This doesn't mean that the students cannot make other errors.

For instance, the expression can be solved (wrongly) in the following ways;

[tex](4 * 35) + (36 * 8) \to 4 * 35 + 36 * 8 \to 140 + 36 * 8 \to 176 * 8 = 1408[/tex]

[tex](4 * 35) + (36 * 8) \to 4 * 35 + 36 * 8 \to 4 * 71 * 8 \to = 2272[/tex]

While the correct solution is:

[tex](4 * 35) + (36 * 8) \to 140 + 288 =428[/tex]

Hence, it is possible for two students to get different values

Answer: The answer would be “$2.”

Step-by-step explanation: To find this answer you would take the amount per book which is 0.05 cents per used book. And then multiply it by how many books you are buying which is 40. So when you multiply 40 by 0.05 you get “$2 for 40 used books.”

Have a nice day!

Answer:ANSWER IS CBD by  ?

Step-by-step explanation:

ok so ABC is equal to 180 degreess so /_\ would a right angle which is 90