evaluate 3 + jk + k ^3 when j = 2 and k = 6

Answers

Answer 1
231
hope this helps!

Related Questions

What is the lateral area of the square pyramid, to the nearest whole number?
A. 165 m2
B. 176 m2
C. 330 m2
D. 351 m2

Answers

Answer:

1: A. 448 2: 209 pi cm^2 3: D. 351 m^2 4. B 240 cm^2 C. 561.1 cm^2

Step-by-step explanation:

just took the test!!!

Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 2500 grams and a standard deviation of 700 grams while babies born after a gestation period of 40 weeks have a mean weight of 3100 grams and a standard deviation of 390 grams. If a 34-week gestation period baby weighs 2950 grams and a 41-week gestation period baby weighs 3550 grams, find the corresponding z-scores. Which baby weighs more relative to the gestation period

Answers

Answer:

Z-score for 34-week baby = 0.643

Z-score for 41-week baby = 1.154

Baby weight of 41-week is more than the baby weight of 34-week in the gestation period.

Step-by-step explanation:

Given - Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 2500 grams and a standard deviation of 700 grams while babies born after a gestation period of 40 weeks have a mean weight of 3100 grams and a standard deviation of 390 grams. If a 34-week gestation period baby weighs 2950 grams and a 41-week gestation period baby weighs 3550 grams

To find - Find the corresponding z-scores. Which baby weighs more relative to the gestation period.

Proof -

Given that,

In between period of 32 to 35 weeks

Mean = 2500

Standard deviation = 700

In between after a period of 40 weeks

Mean = 3100

Standard deviation = 390

Now,

For a 34-week baby,

X = 2950

For a 41-week baby,

X = 3550

Now,

Z-score = (X - mean) / Standard deviation

Now,

For a 34-week baby,

Z - score = (2950 - 2500) / 700 = 0.643

For a 41-week baby,

Z-score = (3550 - 3100) / 390 = 1.154

∴ we get

Z-score for 34-week baby = 0.643

Z-score for 41-week baby = 1.154

As 1.154 > 0.643

So,

Baby weight of 41-week is more than baby weight of 34-week in the gestation period.

The number of subscribers to a web service is growing exponentially. If there were 100,000 subscribers initially and it grows by 2.4% per month, how many subscribers will there be after a year? Round your answer to the nearest whole number of subscribers.

Answers

Answer:

280,000

Step-by-step explanation:

Solve

Given: 100,000 subscribers increases by 2.4% per month

To find: After a year, how much will that be?

First step:

Find the increase of the subscribers per month

100,000 of 2.4%

Set up an equation

2.4/100 × 100,000/1

Cross multiply, cancel zeros in both 100,000 and 100. Which is equal to:

2.4/1 x 1,000/1 =

2,400

Second step: If it increases per month,

then to find the year, find out how many months is in a year:

12 months = 1 year

Now that has been figured out, multiply the result by the result in the first step:

12 × 2400 = 28.800

Therefore, the number of subscribers will be after a year

help please. Harry has raised $276 by selling 23 equally priced boxes of apples for the choir fund-raiser. Which of the following equations can be used to find the price, x, of each box of apples?

x − 23 = 276
x + 23 = 276
23x = 276
x ÷ 23 = 276

Answers

Answer:

The 3rd option

Step-by-step explanation:

If we find X then this would become a Mult. problem

23x=276
because when there’s an x attached to a number it means to divide by that number on both sides

hope this helps

How to figure out square feet of counter tops

Answers

Answer:

Chapter Three: Calculate Total Countertop Square Footage

To calculate the total square footage (after placing seams) you will need to follow this formula: “L” x “W” / 144 = s.f. (Length times width divided by 144 = square feet).

Please help the first people were wrong!!!

Answers

Answer:

The surface area is about 267.04 cm^2; the surface area would be divided by 4 if the slant height and diameter were to be cut in half

If v = -5, what does 4v - 3 equal? (Explain aswell)

Answers

Answer: Answer= -23

Step-by-step explanation: plug in -5 for v. THen multiply 4 and -5 which should give you -20. then subtract -3 from -20 which will give you -23. :)

4(-5) -3= -20-3=-20+3=-17

find number of A intersection B? help me plz​

Answers

Try this option:

1. to calculate the difference of the final sequence:

the difference between two terms of the sequence A is 4 (7-3=11-7=...=4) and the difference between two terms of the sequence B is 7 (9-2=16-9=...-7). It means, in the final sequence the difference should be 7*4=28;

2. to calculate the first term of the final sequence:

A={3;7;11;15;19;23;27;31;...;407} and B{2;9;16;23;30;...;709}. It means, the first term of the final sequence is 23.

3. to calculate the last term of the final sequence:

if 407<709, it means the last term is less than 407, then it is possible to make up the equation 23+28*n<407, where 23 - the 1st term of the final sequence, 28 - the difference of the final sequence, (n+1) - number of the last term of the final sequence and n∈Z.

n<(407-23)/28; n<13.71. If n∈Z, then n=13.

So, the last term of the final sequence is 23+28*13=387.

4. if the first term is 23, the last one is 387 and the difference of the final sequence is 28, then the final sequence is consists of 14 terms:

{23; 51; 79; 107; 135; 163; 191; 219; 247; 275; 303; 331; 359; 387}

A quadratic equation is missing the “c” value: x²+20x+c=0.


Determine ONE (1) integer value of “c” that would result in TWO SOLUTIONS

Answers

Answer:

100

Step-by-step explanation:

[tex] {x}^{2} + 20x + c \\ \\ {x}^{2} + 2.x.10 + {10}^{2} \\ {x}^{2} + 20x + 100 \\ \implies \: {x}^{2} + 20x + c \\ \implies \: c = 100[/tex]

I want to prove that sin2x/1+cos2x = tan x.

Answers

https://socratic.org/questions/how-do-you-prove-sin-2x-1-cos2x-tan-x

Which number describes the median of the data given in the table?​

Answers

Where is the table?

Answer:

how can i answer?

Step-by-step explanation:

The temperature yesterday was -14 degrees Fahrenheit. Today the temperature rose 14 degrees Fahrenheit . What is the current temperature?​

Answers

Answer:

0 degrees Fahrenheit

Step-by-step explanation:

Start at -14 degrees F and then add 14 degrees, the amount by which the temperature rose.  We end up at zero (0) degrees Fahrenheit.

55 videos to 77 videos. Is it increase or decrease? What is the change in the percent?

Answers

Answer:

A change from 55 to 77 represents a positive change (increase) of 40%.

Hope this helps!

Answer:

Increase

Step-by-step explanation:

55 videos to 77 videos is equal to 140% increase

so how we find the result?

multiply 77 with 100 and divide it by 55

77*100/55 = 140

CAN SOMEBODY SOLVE THIS AND GIVE A STEP-BY-STEP PLEASE!
-2 =m/16

Answers

Answer:

m=-32

Step-by-step explanation:

-2=m/16

-2×16=m

-32=m

m=-32

Answer:

m=-32

Step-by-step explanation:

-2×16=m

-32=m

m=-32

Larry has a cylinder shaped pictures that is 13 inches long and radius of 4 inches. Sandra has a cylinder shaped pitcher that is 8 inches long and radius of 6 inches. The volume of Larry’s picture is approximately __. The volume of Sandra’s pitcher is approximately __?

Answers

The volume of Larry’s picture is approximately 653in³

The volume of Sandra’s pitcher is approximately 905in³

How to determine their volume

The formula for calculating the volume of a cylinder is expressed as;

V = πr²h

Such that the parameters are;

V is the volumer is the radiush is the height

Now, substitute the values, we have;

Larry's cylinder

Volume = 3.14 × 4² × 13

Find the square value and multiply the expression

Volume = 653in³

Sandra's cylinder

Volume = 3.14 × 6² × 8

Find the square value and multiply the expression

Volume = 905in³

Learn more about volume at: https://brainly.com/question/1972490

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Please help will give brainliest

Answers

the answer is 180°.

simplify the expression
[tex] \sqrt[3]{686x {}^{4} } y {}^{7} [/tex]

Answers

The expression can be simplified as  [tex]7x\sqrt[3]{ 2x} y^7[/tex].

What is an expression?

An expression in mathematics is made up of numbers, variables, and functions (such as addition, subtraction, multiplication or division, etc.)

A phrase in language may contain an action on its own, but it does not constitute a whole sentence.

Given:

The expression = [tex]\sqrt[3]{686x^4} y^7[/tex]

Factorize 686 we get 7³ × 2

= [tex]\sqrt[3]{7^3\times 2x^4} y^7[/tex]

= [tex]7x\sqrt[3]{ 2x} y^7[/tex]

Therefore, the expression can be simplified as  [tex]7x\sqrt[3]{ 2x} y^7[/tex].

To know more about the expression:

https://brainly.com/question/13947055

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COMBINE ALL LIKES TERMS.
r+r+r+r


r+3r+2​

Answers

Answer:

First answer:

r+r+r+r = 4r

Second answer:

r+3r+2 = 4r + 2

Please mark my answer as brainliest for further such answers :)

Please answer look at pitot

Answers

Answer:

z = 7

Step-by-step explanation:

Based on the midsegment theorem of a triangle, the length of the midsegment of the triangle (z) = ½ of the length of the 3rd side of the triangle (14)

Thus:

z = ½(14)

z = 7

there are about 11,000 birth each day in United States and the proportion of the boys born in United States is 0.152 assume that each day 100 birth randomly selected the portion of boys record

Answers

Answer:

15 boys selected

Step-by-step explanation:

Given

[tex]N =11000[/tex] --- The population

[tex]n = 100[/tex] --- The sample selected

[tex]p =0.152[/tex] -- The proportion of boys

Required

The expected number of boys selected

The expected number is calculated by multiplying the sample size by the proportion of boys.

So, we have:

[tex]Boys = p * n[/tex]

[tex]Boys = 0.152 * 100[/tex]

[tex]Boys = 15.2[/tex]

[tex]Boys = 15[/tex] --- approximated

While driving through California, you stop in at a little restaurant in a small town. The meal for your family was $48.00. The town has a 7.5% sales tax rate. You also want to leave a 20% tip.

Answers

I believe it would be $67.2

What is the inverse relation of f(x)=1/5x−4/5?
y=1/5x−4
y=−1/5x+5/4
y=−5x−4
y=5x+4

Answers

Answer:

[tex]y' = 5x + 4[/tex]

Step-by-step explanation:

Given

[tex]f(x) = \frac{1}{5}x - \frac{4}{5}[/tex]

Required

The inverse relation

[tex]f(x) = \frac{1}{5}x - \frac{4}{5}[/tex]

Rewrite as:

[tex]y = \frac{1}{5}x - \frac{4}{5}[/tex]

Swap x and y

[tex]x = \frac{1}{5}y - \frac{4}{5}[/tex]

Multiply through  by 5

[tex]5x = y - 4[/tex]

[tex]y = 5x +4[/tex]

Rewrite the new function as:

[tex]y' = 5x + 4[/tex]

find dy/dx if x =2-3t/1+t y= 3+2t/1+t​

Answers

.....................................

Create a pattern with the rule n x3. Numbers 1 2 3 4 10

Answers

Answer:

10,13 and 16

Step-by-step explanation:

Find x in each triangle! Will award brainliest

Answers

Answer:

First triangle x=9

Second triangle x=20

Step-by-step explanation:

Using Pythagorean theorem

40^2+x=41^2

1600+x^2=1681

-1600        -1600

x^2=81

To find x we do the opposite of powers and find the squared

x=9

Second triangle

21^2+x^2=29^2

441+x^2=841

-441        -441

x^2=400

x=20

5. How many ways can 12 swimmers finish in first, second, and third place? Combination or permutations

Answers

Answer:

36

Step-by-step explanation:

Each swimmer has a chance to get 1st,2nd, or 3rd place so im guessing it's 12x3 which is 36

Fill in the missing numbers to complete the linear equation that gives the rule for this table. (1,48) (2,55) (3,62) (4,69)
y =_x +_​

Answers

Answer:

y=1/7x

Step-by-step explanation:

55-48= 7, 2-1=1, 1/7= slope

Given that these triangles are similar, what is the perimeter of triangle PQR? Show your work.

If someone could answer fr this time that would be great.

Answers

Answer:

24

Step-by-step explanation:

I use the Pythagoras theorem.

[tex]\sqrt{a^{2} +b^{2} } =c^{2}[/tex]

[tex]4^{2}{x}6^{2} = c^{2}[/tex]

16 x 36= 576

[tex]\sqrt{576} = 24[/tex]

Austin's paycheck showed a regular weekly salary of $385.50, a deduction of $16.35, a commission of $28.75, and $37.35 for overtime. Which equation correctly finds Austin's final pay?



-$385.50 + $16.35 + (-$28.75) + (-$37.35) = - $435.25


$385.50 + $16.35 + (-$28.75) + (-$37.35) = $355.75


$385.50 + (-$16.35) + $28.75 + $37.35 = $435.25


$385.50 + (-$16.35) + $28.75 + $37.35 = -$467.95

Answers

Answer:

Answer option c is correct.

Step-by-step explanation:

385.50 is adding to the amount because it his paycheck. 16.35 is subtracted because it is bing deducted. Then there is the adding amount of 28.75 and 37.35 because of his commission and overtime. When you add it all up, you get 435.25. This whole thing would look like this in equation format:

385.50 +(-16.35) + 28.75 + 37.35 = 435.25.

What’s the last equation

Answers

9514 1404 393

Answer:

  20 . . . . value of last equation

  (A, B, C) = (4, 5, 10) or (3 1/3, 6, 12) . . . . values of symbols

Step-by-step explanation:

If we call the symbols, in order of appearance, A, B, C, then the equations are ...

  2AB = 40   ⇒   AB = 20

  2C/B = 4   ⇒   C/B = 2

Multiplying the second equation by the first, we get ...

  (C/B)(AB) = AC = (2)(20) = 40   ⇒   AC = 40

Then the last equation is ...

  (C-B)A = __

  AC -AB = __ = 40 -20 = 20

The value of the last equation is 20.

_____

Per the above, we have AC = 40. The third equation is ...

  (C +3A) = 22

Using the first relation, we have A = 40/C, so the second becomes ...

  C +3(40/C) = 22

  C² -22C +120 = 0

  (C -10)(C -12) = 0

  C = 10 or 12

As you can see, there are two possible solutions for the values of the symbols. The corresponding values of the other variables are ...

  A = 40/C = 4 or 3 1/3

  B = 20/A = C/2 = 5 or 6

The values of the variables are ...

  (A, B, C) = (4, 5, 10) or (3 1/3, 6, 12)  

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