the length of a rectangle is 8 centimeters. what is the width?​

Answers

Answer 1

Answer:

This is a very vague question. We can't find out the width if it doesn't tell us the area. Comment on my answer the area and I can help.


Related Questions

If f(x) = 4x² - 6x + 3, find f(a - 4).

Answers

∫f(x)dx=43x3−3x2+7x+Cf(x)=4x2−6x+7∫f(x)dx=∫(4x2−6x+7)dx=4⋅∫x2dx−6⋅∫xdx+7⋅∫1dx=4x33−6x22+7x11+C=43x3−3x2+7x+C

8th grade math
Thanks

Answers

Answer:

h - g goes with 3, gh goes with 2, g squared minus h goes with 5, g - h goes with 1, g + h goes with 3, and g + h squared goes with 6. The numbers are the options.

Step-by-step explanation:

Not much to say. Just remember that squared numbers can't be negative.

if the fourth term of an ap is 1 and sum of it first right term is 18 find the tenth term​

Answers

What is cause I have no clue

Which table does not represent a function

Answers

Answer:

B.

Step-by-step explanation:

B. table B has 2 y values for one x, and that makes it not a function but a relation / equation.

PLEASE HELP!

Find the measure of

Answers

Answer:

85

Step-by-step explanation:

if ur adding 5 on that side then you would have to subtract on the other.

if x,4x+3 and 7x+3 are geometric sequence. find the value of x
please help me​

Answers

Answer:

x =  [tex]\frac{-6}{7+\sqrt{13}}[/tex]

r =  [tex]\frac{1+\sqrt{13} }{2}[/tex]

Step-by-step explanation:

In mathematics, a geometric progression, also known as a geometric sequence, is a sequence of numbers where each term after the first is found by multiplying the previous one by a fixed, non-one number called the common ratio.

For example, the sequence 2, 6, 18, 54, ... is a geometric progression with common ratio 3. Similarly 10, 5, 2.5, 1.25, ... is a geometric sequence with common ratio 1/2.

-----

Let's take r=ratio of the geometric sequence

in first term, x is multiplied by  [tex]r^{0}[/tex]

First term:                   x [tex]r^{0}[/tex]

Second term: 4x+3 = x [tex]r^{1}[/tex]

Third term:     7x+3 = x [tex]r^{2}[/tex]

From the last 2 equation, we have to obtain r and x values.

Second equation - First equation:

3x = x r (r - 1)

Let's state: x different from 0, so we can simplify x, obtaining:

3 = [tex]r^{2}[/tex] - r

0 = [tex]r^{2}[/tex] - r - 3

r =  [tex]\frac{1+\sqrt{13} }{2}[/tex]  (only the positive value of r counts)

so, going to second term of the sequence:

4x+3 = x [tex]r^{1}[/tex] => x (4 - [tex]\frac{1+\sqrt{13} }{2}[/tex] ) = -3

x ([tex]\frac{7+\sqrt{13} }{2}[/tex] ) = -3  =>  x =  [tex]\frac{-6}{7+\sqrt{13}}[/tex]

hope it helps..

Use the Distributive Property and mental math to find the product.
5(88) =

Answers

Answer:

440

Step-by-step explanation:

I learned with parenthesis if its like this 4(7)

It usually means to multiply

soo

88 times 5

=440

soo

88

There are four activities on the critical path. Coincidentally, their standard deviations are all equal to 4. The standard deviation of the critical path is therefore equal to:

Answers

Answer:

the standard deviation of the critical path is 8

Step-by-step explanation:

The computation of the standard deviation of the critical path is shown below:

As we know that

Variance = Standard deviation^2

Now the variance of the critical path is

= Variance 1 + variance 2 + variance 3 + variance 4

= 4^2 + 4^2 + 4^2 + 4^2

= 64

Now the standard deviation would be

= √64

= 8

hence, the standard deviation of the critical path is 8

Write an absolute value equation that has the solutions x=8 and x=18
.

Answers

Answer:

|x - 13| = 5

Step-by-step explanation:

Think of absolute value as a distance. For example, |5| can be written as |5 - 0| = 5 since the distance between 5 and zero on the number line is 5. Also, |-5| which is the same as |-5 - 0| is also 5 since the distance between -5 and zero on the number line is 5.

Since you want an absolute value equation with solutions 8 and 18, think of which number is the same distance from both 8 and 18 on the number line? Find the average of 8 and 18, (8 + 18)/2 = 13. 13 is the same distance from both 8 and 18. 13 is 5 units away from both 8 and 18. Now you need an equation that is looking for the numbers x which are 5 units distance from 13.

|x - 13| = 5

Suppose you invest in a fund which
.
• compounds at a rate of 1% at the end of every odd-numbered month (January, March, May, July.
September, November), and
.
• compounds at a rate of 3% at the end of every even-numbered month (February, April, June, August.
October, December).
How much do you need to invest on January 1st so that you have $1000 by June 1st of the same year?

Answers

The amount to invest on  January 1st so that you have $1000 by June 1st of the same year is $992.54

What is monthly compounding?

Monthly compounding means that the interest is computed every month, in essence, the interest in January, March and May would be 1% divided by 12 months in a year whereas the interest in February, April, would be 3% divided 12 months making a year.

FV=PV*(1+r1)*(1+r2)*(1+r3)+(1+r4)*(1+r5)

FV=the future value June 1st of the same year=$1000

PV=the amount that needs to be invested=unknown

r1=January interest rate=1%/12=0.00083333333333

r2=February interest rate=3%/12=0.0025

$1000=PV*(1+0.00083333333333

)*(1+0.0025

)*(1+0.00083333333333

)*(1+0.0025

)*(1+0.00083333333333

)

$1000=PV*1.00752085996961

PV=$1000/1.00752085996961

PV=$992.54

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Write the equation of the line that passes through the given points.
(0,-5) and (3,3)
The equation of the line is
(Simplify your answer. Type your answer in slope-intercept form. Use in

Answers

[tex]\displaystyle\\Answer:\ y=\frac{8}{3}x-5[/tex]

Step-by-step explanation:

(0,-5)      (3,3)

Equation of a straight line:

[tex]\displaystyle\\\frac{x-x_1}{x_2-x_1} =\frac{y-y_1}{y_2-y_1} \\\\x_1=0\ \ \ \ x_2=3\ \ \ \ y_1=-5\ \ \ \ y_2=3\\\\Hence,\\\\\frac{x-0}{3-0} =\frac{y-(-5)}{3-(-5)}\\\\\frac{x}{3} =\frac{y+5}{3+5} \\\\\frac{x}{3} =\frac{y+5}{8} \\[/tex]

Multiply both parts of the equation by 24:

[tex](8)(x)=(3)(y+5)\\8x=(3)(y)+(3)(5)\\8x=3y+15\\8x-15=3y+15-15\\8x-15=3y[/tex]

Divide both parts of the equation by 3:

[tex]\displaystyle\\\frac{8}{3}x-5=y[/tex]

Explain how to calculate this mentally

1. 15is the percentage of
30

2. 3 is what percentage of 12

3. Six is what percentage of 10

Answers

Answer:

1. 50℅

2. 25℅

3. 60℅

hope it helps.

Answer:

Below.

Step-by-step explanation:

1. Divide 15 by 30 which is  1/2.

Then multiply 1/2 by 100 = 50%.

2.  3/12 = 1/4

1/4 * 100 = 25%

3.  6/10 = 0.6

0.6 * 100 = 60%.

The ratio of apples to strawberry's is 2:10 if there is 60 strawberry's how many apples are there

Answers

My answer I came up with is 12. I said 12 because if you start with 10 strawberries you would add 10 six times and get 60. So that means that you would need to multiple 2 by 6 as well. If this isn’t right I’m soooooo sorry

Pls help me and thank you if you help me out

Answers

Answer:

I think it would be C.

Step-by-step explanation:

One is positive Four is negative so is 1+(-4)

ILL GIVE BRAINEST HELP PLEASEE IM FAILING

THERE ARE 4 QUESTIONSSSS!!!!!!

Answers

1.) Choice B

p= b+h+c

SA= bh + pl

p=15+20+25 = 60

SA= 15(20) + 60(30) = 2100

2.) Choice D

V= lwh

V= (40)(22)(23.5)

V= 20680

1 liter = 1000cm^3

   1L       =     x    

1000cm      20680

x= 20.7 liters

3.) Choice B

V= (1/3)a^2(h)

V= (1/3)9^2(6.5)

V= 175.5

4.) I don't know this

Point R is at (3, 1.3) and Point T is at (3, 2.4) on a coordinate grid. The distance between the two points is ____. (Input numbers and decimal point only, such as 8.2.) (Please walk me through how you got your answer!)

Answers

Answer:

[tex] RT = 1.1 [/tex]

Step-by-step explanation:

Distance between R(3, 1.3) and T(3, 2.4):

[tex] RT = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2} [/tex]

[tex] RT = \sqrt{(3 - 3)^2 + (2.4 - 1.3)^2} [/tex]

[tex] RT = \sqrt{(0)^2 + (1.1)^2} [/tex]

[tex] RT = \sqrt{0 + 1.21} = \sqrt{1.21} [/tex]

[tex] RT = 1.1 [/tex]

Charles drove three times as far as Emily. Altogether they drove 112 miles. What was the number of miles driven by Charles?

Answers

Answer: Charles drove 84 miles

Step-by-step explanation:

(c)harles = 3 x (e)mily

e + c = 112

Since Charles is 3x Emily, we can plug in 3e instead of c

e + 3e = 112

4e = 112

e = 112/4

e = 28

Emily drove 28 miles, and Charles drove 3x that, so Charles drove

28 x 3 = 84

Charles drove 84 miles.

1. 3x - 5< 19
3x - 5+<19+
38 <
3x :
x<

Answers

Answer:

Love you

Step-by-step explanation:

What is the solution to the system of equations below?
y= 1/2x+6 and y=-3/4x-4
(-8, 2)
(-8,-1)
(8, 10)
(8.-10)

Answers

Answer:

A(-8, 2)

Step-by-step explanation

Answer: A

Step-by-step explanation: (-8, 2)

Approximately 54% of mathematics students do their homework on time. In a class of 250 students, what is the mean, variance, and standard deviation if we assume normality and use the normal distribution as an approximation of the binomial distribution?
A) Mean = 135 Variance = 62 Standard Deviation = 8B) Mean = 53 Variance = 62 Standard Deviation = 8C) Mean = 54 Variance = 8 Standard Deviation = 62D) Mean = 135 Variance = 8 Standard Deviation = 62

Answers

Answer:

A) Mean = 135 Variance = 62 Standard Deviation = 8

Step-by-step explanation:

Given that :

Proportion (p) = 54%

Sample size (n) = 250

Using Normal approximation :

Mean = np

Mean = 250 * 0.54 = 135

Variance = npq ; q = 1 - p = 1 - 0.54 = 0.46

Variance = (250 * 0.54 * 0.46) = 62.1 = 62

Standard deviation = √variance = √62.1

Standard deviation = 7.8803553 = 8

Find the derivation of y=sin (2x2 + 3x-4)<br />a. -cos (4x +3) b. -(6x2+3) cos (2x3+3x-4) c. Cos (2x3+3x-4)<br />d. (6x3+3) cos (2x3+3)<br />​

Answers

Let y = f(x)

f(x) = sin x

g(x) = (2x^2 + 3x - 4)

Use the chain rule.

We want y' = f' (g(x)) • g'(x).

y' = cos(2x^2 + 3x - 4) • (4x + 3)

Done.

Which expression is equivalent to 1/3 y?
1/3(y+12)-12
1/6y+1/3(y+3)
1/6y+1/6(y+12)-2
1/3y+1/3(6-y)

Answers

Answer:

The answer is 1/6y+1/6(y+12)-2

Step-by-step explanation:

I used a math calculator.

Answer:

1/3y+1/3(6-y)

1. What value of x makes the equation 3x - 6 = 9 true?

Answers

Answer:

5

Step-by-step explanation:

this is basic algebra so it's important to understand this concept now. you need to combine like terms so 3x-6=9 becomes 3x=15 (you add the 6 to add like terms). You then divide the 3 from 3x on both sides to get x=5

The value of x makes the equation 3x - 6 = 9 true is: x = 5.

Here, we have,

given that,

the equation is: 3x - 6 = 9

so have,

3x-6=9

We need to combine like terms

=> 3x = 9 + 6

(we add the 6 to add like terms).

becomes, => 3x=15

we then divide the 3 from on both sides

=> 3x/3 = 15/3

we get

=> x=5

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Mrs. Claus makes a
delicious fruitcake that
serves 11 people. There are
14 fruitcakes on the table.
How many people will this
feed?

Answers

Answer:

14 or 11

Step-by-step explanation:

because 14 is more than 11 and the question asks how many people it feeds not how many people can it feed out the people there

Answer:

I Believe It Will Feed 154 People

Step-by-step explanation:

Because 1 Fruit Cake feeds 11 people so I did 11*14

She said a delicious FRUITCAKE that

serves 11 people. Then she said there are 14 FRUITCAKES.

Please Mark Brainliest!!!!

Please help it’s urgent!!!!!


Please

Answers

Answer:

-10

Step-by-step explanation:

Because it's counting down by 4s so the mid would be 10 between the -12 and -8

The length of a rectangle is 12 inches more than its width. The perimeter is 280 inches. Find the length and the width of the rectangle.

Answers

use the equation p=2l+2w and sub everything in to get 280=2l+2(l+12).
distribute the 2 for 280=2l+2l+24.
add/subtract like terms over, leaving you with 256=4l.
divide the 4 from 256, resulting in l=64.
since w=l+12, add 12 to 64 to find that w=76.
basically, l=64 and w=76.
hope this helps!

Answer:

width = 64 inches

lenght = 76 inches

Step-by-step explanation:

2(x + 12) + 2x = 280

2x + 24 + 2x = 280

4x = 280 - 24

4x = 256

x = 256/4

x = 64

HELP!!! PLEASE HELP ME!

Answers

5+2+7
Hope this helps

help and hurryyy plzz

Answers

help with what i don’t see a pic

need help on this geometry problem! ASAP

Answers

Answer:

x=75

Step-by-step explanation:

[tex]We\ are\ given\ that:\\AD\ is\ the\ altitude\ of\ \triangle ABC\\Hence,\\ADC=90[As\ altitudes\ intersect\ the\ base\ side\ at\ 90]\\Hence,\\As\ ADC=(x+15)\ and\ ADC=90\\x+15=90\\x=90-15\\x=75[/tex]

This is only the value of x in terms of AD being an altitude, and is independent off the sides.

The table shows the heights h(in feet) of a sponge t seconds after it was dropped by a window cleaner on top of a skyscraper

Answers

See attachment for the scatter plot created using the graphing calculator

The best fitting quadratic model for the data is h = -16t^2 + 280The sponge will hit the ground after 4.18 seconds

A. Use a graphing calculator to create a scatter plot

The table of values is given as

Time, t         0        1      1.5       2.5    3  

Height, h    280   264   244    180   136

Next, we enter the above values in a graphing calculator to create the scatter plot

See attachment for the scatter plot created using the graphing calculator

B. Find the best fitting quadratic model for the data

From the graphing calculator, we have

h = -16t^2 + 280

C. Use your model to predict when the sponge will hit the ground

This means that

h = 0

So, we have

-16t^2 + 280 = 0

Divide through by -16

So, we have

t^2 - 17.5 = 0

This gives

t^2 = 17.5

Take the square roots

t = 4.18

Hence, the sponge will hit the ground after 4.18 seconds

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Complete question

The table shows the heights h(in feet) of a sponge t seconds after it was dropped by a window cleaner on top of a skyscraper

Time, t         0        1      1.5       2.5    3  

Height, h    280   264   244    180   136

A. Use a graphing calculator to create a scatter plot

B. Find the best fitting quadratic model for the data

C. Use your model to predict when the sponge will hit the ground

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