I need help with this I’ll give brainlist

Answer:

what is the question? please ask a question.

Answer:

Lee earns 2x.

They both earn 3x.

Step-by-step explanation:

If mic earns x, and lee earns 2 times as much, it will be x * 2, or 2x. Then adding mic's salary, x, the number will result in 2x+x. This simplifies into 3x.

Answer:

be smarter

Step-by-step explanation:

Answer:

Allison, Carlie , Gabriele ($8.72, $9.54, $11.55)

Step-by-step explanation:

Carlie's 9+6%= $9.54

Allison's 8+9%= $8.72

Gabriele's 11+5%= $11.55

Answer:

It will take 28 minutes to complete a 7-kilometer race

Step-by-step explanation:

If you can job 3 kilometers in 12 minutes, that means you can jog 1 kilometer in 4 minutes. so if you multiply 7 times 4, you would get 28. So your answer is 28 minutes.

Answer: 8 servings

Step-by-step explanation:

1/2 cup + 1/2 cup = 1 cup

                                              >  1 cup + 1 cup = 2 cups = one pint

1/2 cup + 1/2 cup = 1 cup

if 4 servings go in one pint then 8 servings goes in 2 pint

Answer:

8 cups/servings.

Explanation:

Can't explain further more because I'm not good in explaining things yet I'm sure that's the correct answer.

Answer:

3, 2, 0

Step-by-step explanation:

trust me

The resultant value of vectors are:

1. z + w = -1 + 3i.

2. w - u= -4 - 4i

3. u + w = -4.

Given:

z = 2 + 5i

w = -3 - 2i

u = -1 + 2i

1. z + w:

Adding the real and imaginary parts separately gives

(2 + 5i) + (-3 - 2i) = (2 - 3) + (5 - 2)i

                          = -1 + 3i

Therefore, z + w is equal to -1 + 3i.

2. w - u:

Subtracting the real and imaginary parts separately gives

(-3 - 2i) - (-1 + 2i) = (-3 + 1) + (-2 - 2)i

                          = -4 - 4i

Therefore, w - u is equal to -4 - 4i.

3. u + w:

Adding the real and imaginary parts separately gives

(-1 + 2i) + (-3 - 2i) = (-1 - 3) + (2 - 2)i

                           = -4

Therefore, u + w is equal to -4.

Learn more about Vector addition here:

https://brainly.com/question/28501946

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Answer:

Surface area = 207 cm²

Step-by-step explanation:

Surface are of triangular prism = 2×BA + P × H

Base Area (BA) = ½*bh

b = 8 cm

h = 9 cm

BA = ½*8*9 = 36 cm²

Perimeter of triangular base (P) = 8 + 9 + 10 = 27 cm

Height for prism (H) = 5 cm

Surface area = 2 × 36 + 27 × 5 = 72 + 135

Surface area = 207 cm²

Answer:

Sorry dude, I don't know, but maybe someone else will come and answer!!!

Step-by-step explanation:

Answer:

hirap naman yan basahin mo kasi directions

Answer:

a)

The possible values are 0, 1, 2 and 3.

The probability mass function of X is:

P(X = 0) = 0.125

P(X = 1) = 0.375

P(X = 2) = 0.375

P(X = 3) = 0.125

b)

[tex]P(X \geq 1) = 0.875[/tex], [tex]P(X > 1) = 0.5[/tex]

c) E(X) = 1.5, Var(X) = 0.75

Step-by-step explanation:

For it time the coin is flipped, there are only two possible outcomes. Either it comes up heads, or it comes up tails. Each toss is independent of other tosses. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

In which [tex]C_{n,x}[/tex] is the number of different combinations of x objects from a set of n elements, given by the following formula.

[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]

And p is the probability of X happening.

The expected value of the binomial distribution is:

[tex]E(X) = np[/tex]

The variance of the binomial distribution is:

[tex]V(X) = np(1-p)[/tex]

A fair coin is flipped three times.

This means that [tex]n = 3[/tex]

Fair coin means that it is equally as likely to be heads or tails, so [tex]p = \frac{1}{2} = 0.5[/tex]

a) Give both the possible values and probability mass function of X.

The possible values are from 0 to n, so 0, 1, 2 and 3.

The probability mass function is the probability of each outcome. So

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

[tex]P(X = 0) = C_{3,0}.(0.5)^{0}.(0.5)^{3} = 0.125[/tex]

[tex]P(X = 1) = C_{3,1}.(0.5)^{1}.(0.5)^{2} = 0.375[/tex]

[tex]P(X = 2) = C_{3,2}.(0.5)^{2}.(0.5)^{1} = 0.375[/tex]

[tex]P(X = 3) = C_{3,0}.(0.5)^{3}.(0.5)^{0} = 0.125[/tex]

(b) Find P(X ≥ 1) and P(X > 1).

[tex]P(X \geq 1) = P(X = 1) + P(X = 2) + P(X = 3) = 0.375 + 0.375 + 0.125 = 0.875[/tex]

[tex]P(X > 1) = P(X = 2) + P(X = 3) = 0.375 + 0.125 = 0.5[/tex]

(c) Compute E[X] and Var(X).

[tex]E(X) = np = 3*0.5 = 1.5[/tex]

[tex]Var(X) = np(1-p) = 3*0.5*0.5 = 0.75[/tex]

Answer:

it equals to 8 1/3

Step-by-step explanation:

Answer:

47.5

Step-by-step explanation:

you would do 5 x 9.5 to find the answer for x

Answer:

20/25

Step-by-step explanation:

its is another way to write it

Answer:

2/20

Step-by-step explanation:

x/2 = 1/10

multiply both sides by 2

x = 2/20

Answer:

6 students are absent.

Answer:

B

Step-by-step explanation:

You can just move upper y equation and it will be:

6x+3(3x-5)=15

6x+9x-15=15

15x-15=15

15x=30

x=2

Answer:

Try the website, MATH

WAY

type in your equations

Step-by-step explanation:

area of rec= length×width

=10×4

= 40

radius= diameter/2

=4/2 = 2

area of semicircle= πr²/2

=22/7×2×2×1/2

=6.28

=6.3

adding both

we get,

=40+6.3

= 46.3

Answer: The answer is 18

Answer:

[tex] - 3 + 5 + 7 - 18 + 36 \\ - 3 + 12 - 18 + 36 \\ - 21 + 36 \\ = 15 \: \: \: ans.[/tex]

Answer:

50.41 minus 1.71 is 48.70 divided by 5 is 9.74

Answer:

X=14

Step-by-step explanation:

17^2+b^2=19^2

289+b^2=361

361-289=72

The square root pf 72 is ~8.5

subtract 17 from 31 (to get rid of the triangle bases on the bottom).

31-17=14

X=14

Answer: The answer of your over all grade is 81

Step-by-step explanation:

You do the % then you add them together.

like in this picture  

Answer:

1.7h - 5.9

Step-by-step explanation:

Combine the like terms -8.9 and 3 to get -5.9. Since it's negative, you subtract.

Answer:

-32

Step-by-step explanation:

assuming you meant -x^2 - 4x -11

x=3 so sub 3 in place of x

- 3^2 - 4*3 - 11 = -9-12-11 =- 32

H2+P2+B2 is the answer of this question