What is the volume of a pool when perimeter is 30 and it's depth is 4 ft

Answers

Answer 1

120
hmmmmmmmmmmmmmmmmmmm

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a backpack manufacturer produces an internal frame pack and an one hour and let y represent the number of external frame packs produced in one hour.Then the inequalities x+3y<=18,2x+y<=16,x>=0 and y>=0 describe the constraints for manufacturing both packs.Use the profit function f(x,y)=50x+80y and the constraints given to determine the maximum profit for manufacturing both packpacks for the given constraints

Answers

The maximum, 1280, occurs at (0,16).

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

The inequality is,

x + 3 < 18

x < 15

And,

2x + y < 16

y < - 2x + 16

Now, you can see the constraint, x + 3 < 18 doesn't even enter into calculating the feasible region because the constraint, 2x + y < 16 really identifies the region.

Now, We can Check the value of the function at the three vertices as:

At (0,0):

f(x, y) = 50x + 80y = 0

At (8, 0);

f(x, y)=50x+80y

f (8, 0) = 400

At (0, 16);

f(x, y ) = 50x+80y

f (0, 16) = 1280

Thus, The maximum, 1280, occurs at (0,16).

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2m-2x=x+n. solve for x.

Answers

Solve for x by simplifying both sides of the equation then isolating the variable and you should get
x=2m/3 - n/3
Hope this helped please give brainliest

Using repeated addition solve 5x4

Answers

5 + 5 + 5 + 5 = 20
Or
4 + 4 + 4 + 4 + 4 = 20

Using repeated addition, the value of 4 x 5 will be 20.

What is Algebra?

Algebra is the study of graphic formulas, while logic is the interpretation among those signs.

The expression is given below.

⇒ 5 x 4

Using repeated addition, the expression can be written as,

⇒ 5 + 5 + 5 + 5

⇒ 20

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How do I solve this question?

Answers

Before attempting to solve this question, we must first know three things.

1. A straight line has a measure of 180 degrees.

2. When two angles add up to 180 degrees, those angles are called supplementary.

3. The interior angles of a triangle add up to 180 degrees.

We can see ∠ECT = 180 degrees.

∠DCT is supplementary to ∠DCE.

∠DCT = 140 degreees
∠DCE = x degrees

x + 140 = 180

Solve for x.

x + 140 = 180
x = 40 <-- Subtract 140 from each side

∠DCE = 40 degrees

We know the two interior angles of ΔDEC.

45 + 40 + x = 180

Solve for x.

45 + 40 + x = 180
85 + x = 180 <-- Combine like terms
x = 95

So, the missing angle is equal to 95 degrees.

a beauty salon buys bottles of styling gel for 4.50 per bottle and marks up the price by 40%. for what price does the salon sell each bottle

Answers

First of all you need to know what is the 40% of 4.50 you multiply
4.5 x 0.4 = 1.8
1.8 + 4.5 = 6.3 is your answer

The price the salon sells each bottle is 6.3 if a beauty salon buys bottles of styling gel for 4.50 per bottle and marks up the price by 40%.

What is percentage?

It's the ratio of two integers stated as a fraction of a hundred parts. It is a metric for comparing two sets of data, and it is expressed as a percentage using the percent symbol.

It is given that:

A beauty salon buys bottles of styling gel for 4.50 per bottle and marks up the price by 40%.

From the question:

= 40% of 4.50

= 1.8

= 1.8 + 4.5 = 6.3

Thus, the price the salon sells each bottle is 6.3 if a beauty salon buys bottles of styling gel for 4.50 per bottle and marks up the price by 40%.

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Which property of equality would you use to solve the equation 14x=56

Answers

The answer is The Multiplication or Division Principle of Equality. It states that if you multiply or divide both sides of an equation by an expression, the resulting the equation will be equivalent to the original equation.

14x = 56
x = 4 <-- Divide both sides by 14

So, x is equal to 4.

The division property of equality is used to solve equality 14x = 56 where x = 4.

What is equality?

In mathematics, equality is a relationship between two quantities or, more generally two mathematical expressions, asserting that the quantities have the same value, or that the expressions represent the same mathematical object.

The given equality is,

14x = 56

Using division property of equality,divide both side by 14

14x/14 = 56/14

Solving we get,

x = 4

Thus, the division property of equality is used to solve equality 14x = 56 where x = 4.

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kelly ate 7 apples. this represents 50% of the bag of apples. how many apples were originally in the bag

Answers

7 is the half of 14, so 14 apples

14 because 50% of 14 is 7

There are 111 guest attending a party there are 15 servers each server has the same number of guest to serve Jess will serve any extra guest how many guest will Jess be serving? Please help me

Answers

11 divided by 7 is the biggest factor.
So, each sever served 7 guests. Jess served 7+6 so 13.

Answer: The required number of guests served by Jess is 13.

Step-by-step explanation: Given that there are 111 guest attending a party there are 15 servers each server has the same number of guest to serve.

If Jess will serve any extra guest, then we are to find he number of guests served by Jess.

By division algorithm, we can write

[tex]111=7\times15+6\\\\\Rightarrow 111=7\times14+(7+6).[/tex]

So, 14 servers will serve 7 guests each and Jess will serve 7 guests along with extra 6 guests.

Therefore, the total number of guests served by Jess is given by

[tex]n=7+6=13.[/tex]

Thus, the required number of guests served by Jess is 13.

what is 9x-7=-7 in two step show your work

Answers

9x-7 = -7

step 1 = add 7 to each side

9x = 0

step 2 divide both sides by 9

x = 0/9 = 0

Shawn wants to model the number 13,450 using base ten blocks how many large cubes flats and longs does he need model the number

Answers

1 small cube = 1 small cube

10 small cubes = 1 long

10 longs (or 100 small cubes) = 1 flat

100 flats (or 1000 small cubes) = 1 large cube

13,450 needs to be divided into groups (by number). Separate by thousands, hundreds, and tens. There are 13 thousands in 13,000. That leaves 450 remaining. 450 is 4 hundreds and 5 tens. 1 large cube is 1000 small cubes. 1000 * 13 = 13,000. You need 13 cubes, with a total of 450 remaining. 100 small cubes is 1 flat. 100 * 4 = 400. You need 4 flats, with 50 remaining. 10 small cubes are 1 long. 10 * 5 = 50. You need 13 cubes, 4 flats, and 5 longs.

What is the axis of symmetry for the graph of y – 4x = 7 – x2 ?

Answers

y – 4x = 7 – x2

rewrite it:

y = -x^2+4x+7

complete the square:

y = -(x-2)^2 + 11

vertex: (2,11)

the axis of symmetry is the coordinate of x, i.e. x=2

Answer:

axis of symmetry at x=2

Step-by-step explanation:

[tex]y - 4x = 7 - x^2[/tex]

LEts solve for y

Add 4x on both sides

[tex]y=- x^2+4x+7[/tex]

To find axis of symmetry we use formula

[tex]x=\frac{-b}{2a}[/tex]

the equation in the form of ax^2 + bx+c

a= -1 , b= 4

Plug in the values

[tex]x=\frac{-4}{2(-1)}=2[/tex]

So axis of symmetry at x=2

Your teacher divides your class into two groups and then randomly chooses a leader for each group the probability that you are chosen to be a leader is 1÷12 the probability that both you and your best friend are choosing is 1÷132 is your best friend in your group explain

Answers

Answer:

1 DIVIDED BY 12 IS 1 SO SAME THING WITH 1 DIVIDED 132 IS 132 SO ADD THEM AND YOU SHOULD GET YOUR ANSWER PS i dont know the answer

Step-by-step explanation:

No, my best friend is not in my group.

Let's break down the probabilities to determine if your best friend is in your group. The probability that you are chosen as a leader is [tex]\frac{1}{12}[/tex]. Let’s denote your best friend by BF. Given that the probability that both you and best friend are chosen as leaders is [tex]\frac{1}{132}[/tex], we need to check if BF is in your group.If your best friend is in your group, then there is only one leader to be chosen from this group. Hence, the probability that you and your best friend are chosen from the same group would be calculated by selecting the group leader and then the remaining leader from the other group.In this scenario, the probability of you and your best friend being chosen as leaders would typically depend on the group size and configuration.Since the probability of you both being chosen is [tex]\frac{1}{132}[/tex], this indicates that you are more likely not in the same group. If BF were in the same group, the probability would be calculated based on how likely both members are to be from the same group, considering the overall class size and number of groups.Thus, given the probability details, we can conclude that your best friend is not in the same group as you.

6,700 rounded to nearest thousand

Answers

7,000

We know this because 7 rounds up!

Hope this helped!

Express the following number using expanded form, unit form, and word form: 625.25

Answers

The answer is tents ,ones,ones

Write in exponent form and word form. 10x10x10x10x10x10

Answers

10x10x10x10x10x10 = 10^6

Hope this helps! :)

10 to the 6th power=word form

what is the answer to a/164363 -10 = 10

Answers

a/164363-10=10
a/164363=10+10
a/164363=20
a=20*164363
a=3287260
Hope this helps

In the recent year, 26.6% of all registered doctors were female. If there were 54,200 female registered doctors that year, what was the total number of registered doctors? Round the answer to the nearest whole number.

Answers

There would be 203,759 total registered doctors that year.

order greatest to least for the following 2.007, 2.714, 2.09, 2.97

Answers

2007 209 2714 297 is that order

What is (-8)to the power of 2 equal??

Answers

(-8)^2
(-8)(-8)
64

Hope this helps!

Hello!

(-8)^2 means -8 x (-8).

The answer to this would simply be:
-8 x (-8) = 64

Because a negative number is being multiplied by another negative number, the answer becomes a positive number.

I hope this helps you! Have a great day!

What is the domain and range of the function shown in the graph?

Answers

The domain is the set of all x values which are defined (appear on the graph) of the function. In this system, all values from negative infinity to 0, but not including zero, and all values above zero, through positive infinity, are valid. We can write this in set builder notation as x: (-∞,0)∪(0,∞).

The range is the set of all y values which are defined in the function. Like the domain, the range of this function contains all value from negative infinity to positive infinity except zero. Same notation: y: : (-∞,0)∪(0,∞).

which statement about the equation is true?

x + 2 = x + 4

a. one solution
b. no solution
c. multiple solutions

Answers

C because you got to find the like term term

Answer:

The correct option is b) no solution.

Step-by-step explanation:

Consider the provided equation,

[tex]x + 2 = x + 4[/tex]

We need to find the solution of the above equation.

Subtract x from both the sides as shown.

[tex]x-x+2=x-x+4[/tex]

[tex]2=4[/tex]

Which is false.

As 2 is not equal to 4.

Hence, the provided equation has no solution.

Thus, the correct option is b) no solution.

when multiplying and subtracting fractions ... 5/6-3/4

Answers

multiplying: 5/6 x 3/4 = 15/24
do not need common denominators

subtracting: 5/6 - 3/4 = 20/24 - 18/24 = 2/24
need a common denominator

Dori and Malory are tracking their steps taken as a health goal. Dori leaves her house at 12:00 p.m. and walks at 50 steps per minute. Malory leaves her house at 12:20 p.m. and walks at 90 steps per minute. At what time will Malory's steps catch up to Dori's steps?

Answers

Let n = minutes since 12:00 pm when Malory catches up to Dori.

Dori travels
(50 steps/min)*(n minutes) = 50n steps

Malory begins walking at 12:20 pm, so she walks for (n - 20) minutes. She travels
(90 steps/min)*(n - 20 min) = 90n - 1800 steps

Equate the steps traveled by Dori and Malory.
90n - 1800 = 50n
40n = 1800
n = 45 min

The time corresponding to n = 45 min is 12:45 pm

Answer: 12:45 pm

One-eighth of the 32 students in the class went abroad for fall break. How many students went abroad?

Answers

divide 32 by 8

32/8 = 4 students went abroad

A fish market bought two swordfish at a rate of $13 per pound the cost of the larger fish was 3 times as great as the cost of the smaller fish the total cost of the two fish was $3,952 how much did each fish weigh

Answers

3952/13 is 304 pounds at the cost of 13 dollars each fish is 152 pounds

I need some help plz!
Enter in the missing numbers to create equivalent ratios.
2:5
Blank:10
6: Blank
Blank:25

Answers

2:5
4:10
6:15
Because they give you thee base ratio, you can see that 5 x 2 = 10
so 2 x 2 = 10 which makes an equivalent ratio.

What is 0.04 divided by 10

Answers

0.04 / 10 = 0.004 <===

0.04 divided by 10 = 0.004

Hope this helps!

What transformation is represented by the rule (x, y)→(−y, x)?

A. reflection across the x axis

B. rotation of 90 degrees clockwise about the origin

C. reflection across the y axis

D. rotation of 180 degrees about the origin

Answers

C. reflection of the y axis, the y turned from a positive to a negative y while x is still the same

Hope I helped you:)

Answer:

The answer is D, an 180 rotation about the origin

Step-by-step explanation:

I just did the test and got it right :)

6-13x=24-10(2x+8)+62+7x

Answers

Its an Identity, all real numbers are the answer.

25 exponent 9 is grewter then (5 exponent 4) and a exponent 2 next to the parentheses

Answers

remember
[tex](x^m)^n=x^{mn}[/tex]

so let's rewrite them

25=5^2
so
[tex]25^9>(5^4)^2[/tex]
[tex](5^2)^9>5^{4*2}[/tex]
[tex]5^{2*9}>5^8[/tex]
[tex]5^{18}>5^8[/tex]
yep, that's definitely true

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