The perimeter of a rectangular playground shown is 140 feet what is the area of the playground if the length is 40 feet

Answers

Answer 1
This will leave you with

140 = 2(40) + 2x

60 = 2x

30= x



So the length is 30.

Related Questions

Help me please I don't know how to solve this problem.

Help me please I don't know how to solve this problem.

Answers

I believe it’s A. 12 buhhtt idddkkk I prolly did it wrong srryyyy. Thts js wht I think

how do you find the area of ABC

how do you find the area of ABC

Answers

Step-by-step explanation:

Using Pyhtagorean Theorem,  calculate length  BD

  then you have two right triangles' areas to add together

       area = 1/2 *  Leg1 * Leg2

By the end of the play, Caliban seems less threatening and less important. What might be the purpose of including such a character in the play

Answers

Caliban's diminished threat and importance by the end of the play serves a specific purpose in Shakespeare's "The Tempest." It highlights the theme of colonization and power dynamics, as well as challenges stereotypes and prejudices associated with "the other."

Caliban, initially depicted as a savage and dangerous creature, gradually loses his menacing presence as the play unfolds. This transformation is intentional, aiming to convey a deeper message about the dehumanizing effects of colonization. By the end, Caliban's character becomes a symbol of the oppressed and marginalized, reflecting the consequences of exploitation and subjugation. Through this portrayal, Shakespeare prompts the audience to question their preconceived notions and biases, challenging the notion that power and civility are inherently linked to physical appearance or societal status. Additionally, Caliban's character serves as a contrast to the other characters in the play. While Prospero represents civilization and control, Caliban embodies the natural and untamed. This stark dichotomy underscores the broader theme of the clash between the civilized and the wild. Ultimately, Caliban's transformation serves to provoke introspection and stimulate conversations about the treatment of those deemed different or inferior in society.

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You go to Macy’s and buy a watch costing $150. The watch is on sale for 60% off. What is the sale price after both discounts?

Answers

Answer:

Sale price of the watch = $60

Step-by-step explanation:

Given that:

Cost of the watch at Macy's = $150

Discount on watch = 60%

Amount of discount = 60% of cost

Amount of discount = \(\frac{60}{100}*150\)

Amount of discount = 0.60*150 = $90

Price after discount = 150-90

Price after discount  = $60

Hence,

Sale price of the watch = $60

Jamal groups 8 blocks as 5 blocks and 3 blocks What is another way to group the 8 blocks

Answers

Answer:

1 block and 7 blocks

Step-by-step explanation:

You can split 8 blocks into 1 and 7.

Hope this helps :)

I honestly don't get this, need help

I honestly don't get this, need help

Answers

what do you need help with?

You need to multiply one side to another so 2x+2 x 2x+4 so x^2 +6x + 8

if u help ill mark u brainiest​

if u help ill mark u brainiest

Answers

Answer:

Step-by-step explanation:

Look at the input and apply the rule. For example, if the rule is "Subtract 5" and the input is 9 then you subtract 5 from 9 to get 4, and 4 is the output. Let's take a look at some examples:

Is it possible to have a function f defined on [ 2 , 3 ] and meets the given conditions? f is not continuous on [ 2 , 3 ], takes on both a maximum value and minimum value and every value in between.

Answers

Yes, it is possible to have a function f defined on [2, 3] that meets the given conditions. To satisfy the condition of not being continuous on [2, 3], we can create a function with a removable discontinuity at a specific point.

One way to achieve this is by defining f(x) as a piecewise function. We can let f(x) be equal to a constant value c for x in [2, a) and [a, 3], where a is a value between 2 and 3. This will create a hole in the graph of the function at x = a, resulting in a removable discontinuity.

To ensure that f takes on both a maximum and minimum value, we can choose different constant values for f(x) in the intervals [2, a) and [a, 3]. For example, we can let f(x) be a high value like 100 in [2, a) and a low value like -100 in [a, 3]. This way, f(x) will have a maximum value of 100 and a minimum value of -100.

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4
a) There are 360 students in a school and 120 of them are girls.
(i) Find the ratio of the girls and the total number of students.
(ii) Find the ratio of the boys and the total number of students.
(iii) Find the ratio of the girls and boys.
b) An alloy contains 120 g of copper and 150 g of zinc.
(i) Find the ratio of copper and zinc in the alloy.
(ii) Find the ratio of copper and the total weight of alloy.
(iii) Find the ratio of zinc and the total weight of alloy.
:) A ratio is equal to 3 : 8. If the antecedent is 21, find the consequent.
) The consequent of a ratio is 36. If the ratio is 4 : 9, find its antecedent.
) The ratio of two numbers is 7:2. If the greater number is 28, find the smalle
one.

Answers

Answer:

happy to help.........................................

4a) There are 360 students in a school and 120 of them are girls.(i) Find the ratio of the girls and
4a) There are 360 students in a school and 120 of them are girls.(i) Find the ratio of the girls and

When a number is increased by 35, the result
is 38. What equation fits this statement?
А
x - 35 = 38
B
x + 38 = 35
X - 38 = 35
D
x + 35 = 38

Answers

D) X+35=38
the resulting meaning equal sign

Answer:

x+35=38

Step-by-step explanation:

the equation says results which is answer so now know the 38 is on the outside

35 is positive so x+35

a basketball player practices jump shots. she starts at zero points and scores 5 points per minute. how many points will she have scored adter a certain number of minutes

Answers

5x points per minute
5 is the amount of points and x would be how many minutes

Using the Factor Theorem, which of the polynomial functions has the zeros 4, \(\sqrt7\), and \(-\sqrt{7\\}\)?
f (x) = x3 – 4x2 + 7x + 28
f (x) = x3 – 4x2 – 7x + 28
f (x) = x3 + 4x2 – 7x + 28
f (x) = x3 + 4x2 – 7x – 28

Answers

Answer:

B

Step-by-step explanation:

According to the Factor Theorem, if (x - a) is a factor (where a is a zero) of the polynomial P(x), then P(a) must equal zero.

Our zeros are 4, √7, and - √7. Hence, when evaluating P(4), P(√7), and P(-√7), all must evaluate to zero.

Testing each choice, we can see that only choice B is true. That is:

\(\displaystyle \displaystyle \begin{aligned} f(4)&= (4)^3 - 4(4)^2 - 7(4) + 28 \\ &= (64) - (64) - (28) + 28 \\ &= 0 \stackrel{\checkmark}{=}0 \\f(\sqrt{7}) &= (\sqrt{7})^3 - 4(\sqrt{7})^2 - 7(\sqrt{7}) + 28 \\ &= (7\sqrt{7}) - (28) - (7\sqrt{7}) + 28 \\ &= 0 \stackrel{\checkmark}{=} 0\\ f(-\sqrt{7}) &= (-\sqrt{7})^3 - 4(-\sqrt{7})^2 - 7(-\sqrt{7}) + 28 \\ &= (-7\sqrt{7}) - (28) + (7\sqrt{7}) + 28 \\ &= 0 \stackrel{\checkmark}{=} 0 \end{aligned}\)

In conclusion, our answer is B.

how do we determine the significance of the slope in regression?

Answers

The significance of the slope in regression can be determined by conducting a hypothesis test

The slope of the regression line in a regression analysis shows how  dependent variable changes as the independent variable increases by a unit. A hypothesis test on a slope coefficient, commonly referred to as the beta coefficient or the regression coefficient, can be used to ascertain the significance of the slope. The slope coefficient is compared to a null hypothesis value of zero in the hypothesis test.

The null hypothesis is rejected and it is determined that there is a significant association between the independent and dependent variables if the p-value for the slope coefficient is less than the significance threshold. Therefore, slope is not equal to zero and there is an association amongst changes in the independent variable and those in the dependent variable.

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what the frige please help​

what the frige please help

Answers

Answer:

Your answer is A, 3x - 2x.

Step-by-step explanation:

Triple a number means to multiply it by 3.

Double a number means to multiply it by 2.

Difference means to subtract.

Hope this helps!

Answer:cim not sure tho

Step-by-step explanation:

Please someone help me on these questions

Please someone help me on these questions

Answers

Hey there! :)

Answer:

a) 24 cm²

b) 40.04 cm²

--------------------

Use the formula A = l × w to solve for each rectangle's area:

a)

8 × 3 = 24 cm².

b)

5.2 × 7.7 = 40.04 cm²

Answer:

a) 24

b) 40.04

Step-by-step explanation:

a) Area of a rectangle: length x width

length = 8

width = 3

Plug these values into the equation above:

8 x 3 = 24

b) Same steps as above except with different values for length and width

5.2 x 7.7 = 40.04

In the picture below it says that 14÷7 equals a half why is that 14÷7 is two?

In the picture below it says that 147 equals a half why is that 147 is two?

Answers

Answer:

1/2

Step-by-step explanation:

you're trying to put the variable(y) by itself. it would be divided by 14 on both sides, which 7/14 is 1/2

(4x+1)(5x-2)
What’s the answer

Answers

Answer:

stated in final line in the pic

Step-by-step explanation:

refer to the picture

(4x+1)(5x-2) Whats the answer

how do I do this? I'm confused.​

how do I do this? I'm confused.

Answers

Step-by-step explanation:

\(\huge\mathcal\blue{here's \: your \: solution} \\ \\ x = 2y - 14 \: \: \: (given) \\ \\ equation \: = 5x - 7y = - 43 \\ \\ now \: put \: the \: value \: of \: x \: in \: equation \\ \\ 5(2y - 14) - 7y = - 43 \\ \\ 10y - 70 - 7y = - 43 \\ \\ 3y - 70 = - 43 \\ \\ 3y = + 70 - 43 \\ \\ 3y = 27 \\ \\ y = 27 \div 3 \\ \\ y = 9 \\ \\ now \: put \: the \: value \: of \: y \: in \: equation \\ \\ x = (9 \times 2) - 14 \\ \\ x = 18 - 14 \\ \\ x = 4 \\ \\ \huge\mathfrak\red{hope \: it \: helps..}\)

let's see who can get these answers right :) answer the ones you know, leave the ones you dont.

1) on a map,3 inches 3qual 150 miles. How many miles would 7 inches represent?
A. 375 miles
B. 350 miles
C. 250 miles
D. 210 miles

2) in 3 dozen chocolate chip cookies, there are 163 chocolate chips. if you were making 8 dozen cookies, how many chocolate chips would you need?
A.435
B.464
C.489
D.504

3) Abby worked 8 hours and got paid $86. Megan worked 6 hours. they both received the same pay rate. How much money did Megan earn?
A.$48.50
B.$54.00
C.$64.50
D.$114.67

4) A picture is 8 inches by 10 inches. You want to shrink the picture so you can have a wallet size picture, keeping the same proportions of width to length. if the width of the wallet picture is 2 inches, what is the length ?
A.2.25 in
B.2.5 in
C.2.75 in
D. 3 in​

Answers

1) B) 350
150/3= 50 ( The number of miles per inch)
7•50=350 (the number of miles represent 7 inches)

2) A) 435
163/3=54.33 (number of chips per dozen)
54.33•8=434.666 ≈435 (Approximately the amount of chips you would need)

3)C) 64.50
86/8=10.75
10.75•6= 64.50

Samantha is starting a test that takes 3/5 of an hour to complete but she only has 1/2 of an hour to work on it if she works and it even pays what fraction of the test will she complete.

Answers

Step-by-step explanation:

The fraction she will complete is   1/2  /  3/5   = 1/2 * 5/3 =  5/6 completed

4 if the mixing ratio of a sample of air is 2 grams/kilogram, and the temperature of the sample is 25 degrees celsius, yielding a saturation mixing ratio of 20 grams/kilogram, what is the relative humidity of the sample?

Answers

Because the temperature is greater, the relative humidity of the atmosphere is higher.

Relative humidity: What is it?

Water vapor is also measured by relative humidity (RH), which is stated as a percentage but RELATIVE to the air's temperature. In plenty of other terms, it is a comparison between the quantity of water vapor that is really present in the air and the maximum amount water vapor that is possible for the air at the current temperature.

How can relative humidity be determined from temperature?

By deducting the temperature just on wet-bulb thermometer from of the temperature just on dry-bulb thermometers and utilizing a relative humidity chart, one may determine the relative humidity.

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What is the surface area of the prism in square inches? 60 square inches 168 square inches 276 square inches 304 square inches

Answers

Step-by-step explanation:

To determine the surface area of a prism, we need more information about its dimensions. A prism typically consists of two congruent parallel bases and rectangular faces connecting these bases.

If you can provide the necessary measurements, such as the length, width, and height of the prism, I can assist you in calculating the surface area.

Thank you

a small town in the UK has only 600 high school students. what is the largest possible sample you can take from this town and still be able to calculate the standard deviation of the sampling distribution of p-hat?

Answers

To calculate the standard deviation of the sampling distribution of p-hat, the answer will be 59 students.

By calculating,

600/10=60 and 59 students which is less than 10% of the population.

A sampling distribution, also known as a finite-sample distribution, in statistics is the probability distribution of a given random-sample-based statistic. The sampling distribution is the probability distribution of the values that the statistic takes on if an arbitrarily large number of samples, each involving multiple observations (data points), were used separately to compute one value of a statistic (such as, for example, the sample mean or sample variance) for each sample. Although only one sample is frequently observed, the theoretical sampling distribution can be determined.

Because they offer a significant simplification before drawing conclusions using statistics, sampling distributions are crucial in the field. They enable analytical decisions to be made based on the probability distribution of a statistic rather than the combined probability distribution of all the individual sample values

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Candice leaves on a trip driving at 25 miles per hour.four hours later,her sister liz starts from the same location driving at 50 miles per hour.how long after liz leaves home will she catch up to candie

Answers

Answer:

Step-by-step explanation:

Candice = 25mph for 4 hours.

Candice has driven= 25 * 4= 100miles.

Liz =50mph

Liz time to catch up to candice= 50 * 2= 100miles.

Therefore, It would have taken Liz two hours to catch up with Candice

The geographic longitude of a radar site is 4 degrees west. The Greenwich sidereal time at noon on January 1 is 100 degrees. The radar measurement occurs 2.8 hours later. What is the angle from the vernal equinox to the station in degrees at the time of the measurement?

Answers

To determine the angle from the vernal equinox to the station at the time of measurement, we need to use the following formula:

Angle = (Sidereal Time at Greenwich + Longitude of the Station - Hour Angle of the Object) * 15 degrees/hour

First, we need to determine the Hour Angle of the Object, which is the amount of time since the object (in this case, the radar measurement) passed over the Greenwich meridian. We know that the radar measurement occurred 2.8 hours after noon on January 1, so the Hour Angle of the Object is:

Hour Angle = 2.8 hours * 15 degrees/hour = 42 degrees

Next, we can plug in the values we know into the formula:

Angle = (100 degrees + (-4 degrees) - 42 degrees) * 15 degrees/hour
Angle = 54 degrees * 15 degrees/hour
Angle = 810 degrees/hour

Therefore, the angle from the vernal equinox to the station at the time of the radar measurement is 810 degrees/hour.

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A chef is going to use a mixture of two brands of Italian dressing. The first brand contains 9% vinegar, and the second brand contains 14% vinegar. The chef wants to make 220 milliliters of a dressing that is 13% vinegar. How much of each brand should she use?

Answers

Let:

x = Amount of first brand

y = Amount of second brand

so:

\(0.09x+0.14y=0.13(220)\)

where:

\(y=220-x\)

So:

\(\begin{gathered} 0.09x+0.14(220-x)=28.6 \\ 0.09x+30.8-0.14x=28.6 \\ -0.05x=28.6-30.8 \\ -0.05x=-2.2 \\ x=\frac{-2.2}{-0.05} \\ x=44 \end{gathered}\)

so:

\(\begin{gathered} y=220-44 \\ y=176 \end{gathered}\)

Answer:

44 mm of the first brand

176 mm of the second brand

Two friends shop for fresh fruit. Jackson buys a watermelon for ​$7.85 and 3 pounds of cherries. Tim buys a pineapple for ​$3.25 and 2 pounds of cherries. Use the variable p to represent the​ price, in​ dollars, per pound of cherries. Write and simplify an expression to represent how much more Jackson spent.
(please its due Wednesday!!!!)

Answers

Jackson spent 4.60+p more than Tim in buying fruits.

What is an expression?

An expression is a combination of terms that are combined by using mathematical operations such as subtraction, addition, multiplication, and division.

Given that, two friends shop for fresh fruit. Jackson buys a watermelon for ​$7.85 and 3 pounds of cherries.

Let the variable p to represent the​ price, in​ dollars, per pound of cherries.

So, the total cost is 7.85+3p

Tim buys a pineapple for ​$3.25 and 2 pounds of cherries.

Here, the total cost is 3.25+2p

Difference in there price is 7.85+3p -(3.25+2p)

4.60+p

Therefore, Jackson spent 4.60+p more than Tim in buying fruits.

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Brandon bought snacks for his team's practice. He bought a bag of popcornfor $2.11 and a 6-pack of juice bottles. The total cost before tax was $11.41.Write and solve an equation which can be used to determine x, how mucheach bottle of juice costs?

Answers

x represents the cost of each bottle of juice. Given that he bought a pack containing 6 bottles of juice, the cost of the 6 pack juice bottles would be $6x

Given that the total cost of a bag of popcorn which costs $2.11 and a 6-pack of juice bottles is $11.41, it means that

2.11 + 6x = 11.41

6x = 11.41 - 2.11

6x = 9.3

x = 9.3/6

x = 1.55

The cost of each bottle of juice is $1.55

If A = {1, 2, 3, 4} and B = {4, 5, 6}, find A ∪ B.

Answers

Answer:

{ 1,2,3,4,5,6}

Step-by-step explanation:

Evaluate the function for the indicated values. F(x) = [[x]] (a) f(4.1) (b) f(4.9) (c) f(-5.5) (d) f(11/2)

Answers

To help you evaluate the function F(x) = [[x]] for the indicated values:

(a) f(4.1): To evaluate the function at this value, we need to find the greatest integer less than or equal to 4.1.

Since 4 is the greatest integer less than or equal to 4.1, f(4.1) = 4.

(b) f(4.9): Similarly, for 4.9, the greatest integer less than or equal to 4.9 is 4. So, f(4.9) = 4.

(c) f(-5.5): For -5.5, the greatest integer less than or equal to -5.5 is -6. Therefore, f(-5.5) = -6.

(d) f(11/2): Since 11/2 = 5.5, we need to find the greatest integer less than or equal to 5.5. The greatest integer less than or equal to 5.5 is 5, so f(11/2) = 5.

In summary:
a) f(4.1) = 4
b) f(4.9) = 4
c) f(-5.5) = -6
d) f(11/2) = 5

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