A party rental company has chairs and tables for rent. The total cost to rent 3 chairs and 5 tables is $39 . The total cost to rent 9 chairs and 7 tables is $63 . What is the cost to rent each chair and each table?

Answers

Answer 1
3c + 5t = 39....multiply by -3
9c + 7t = 63
----------------
-9c - 15t = - 117 (result of multiplying by -3)
9c + 7t = 63
---------------add
- 8t = - 54
t = -54/-8
t = 6.75 <=== tables are 6.75

3c + 5t = 39
3c + 5(6.75) = 39
3c + 33.75 = 39
3c = 39 - 33.75
3c = 5.25
c = 5.25/3
c = 1.75 <=== 1.75 per chair

Related Questions

Jillian has $50.45 to spend on hamburgers and drinks. Hamburgers are $2.25 each. What is the LARGEST number she can buy and still have at least $10 left over for drinks?

Answers

she can buy $38.20 worth of stuff and have 10 dollars left over
50.45 - 2.25x > = 10
-2.25x > = 10 - 50.45
-2.25x > = -40.45
x < = -40.45 / -2.25
x < = 17.97...rounds to 17...so she can buy 17 burgers and have 12.20 left for drinks....because if she bought 18, she would only have 9.95....lol...she only needs a nickel to be able to buy another burger and still have enough to have 10 bucks left for drinks

ur answer is 17

The ratio of the radii of two circles is 4:5. What is the ratio of the circumferences of the two circles?

Answers

Circumference = 2 x pi x radius

RADIUS 4                         RADIUS 5
C= 2 x pi x 4                   C = 2 x pi x 5
Both have 2 pi in them, so factor out leaving 4:5 still
The ratio of the radius of two circles is 4:5

C = 2πr

first circle
C = 8π

second circle
C = 10π

answer
ratio of radius 4:5, ratio of circumferences 8π: 10π

If a cup of cereal has 12 grams of fiber, which is 40% of the recommended daily amount. What is the recommended daily amount?

Answers

40% = 12
100% = 12/40 x 100
= 30

The recommended daily amount is 30 grams of fiber.
12=40 3, (12÷4) = 10. 3×10=30

A table is on sale for $403, which is 38% less than the regular price. what is the regular price

Answers

1060.5263157 etc your teacher prob tells you to round 

The regular price of the table is $650.

The student has asked to find the regular price of a table that is currently on sale for $403, which is 38% less than the regular price. To find the regular price, we can consider the sale price to be 62% (100% - 38%) of the regular price. Let's denote the regular price as R. Thus, we can set up the equation 0.62 * R = $403. Solving for R, we divide both sides by 0.62 to find the regular price:

R = $403 / 0.62

R = $650

Therefore, to find the regular price of a table on sale for $403 at 38% off, we determine that the sale price is 62% of the regular price. By dividing the sale price by 0.62, we discover that the regular price is $650.

Ali currently has $25. He is going to start saving $5 every week. Ali's Savings Function Rule: y = 5x + 25
The rate of change of this function is

Answers

The rate of change of any given function is simply taken to be the 1st derivate of that function.We are given:y = 5 x + 25So the rate of change is simply, rate of change = dy / dxdy = 5 dxdy / dx = 5
So rate of change = 5

The rate of change of Ali's saving function according to the first derivative is 5.

Given the saving function :

[tex]y = 5x + 25[/tex]

The rate of change is the first derivative of y

Therefore,

[tex] \frac{dy}{dx} = 5[/tex]

Therefore, the rate of change of the function is 5.

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For dinner, Abelita chooses the Italian salad that costs $3.99 before tax, and Franco chooses the fettuccini alfredo that costs $7.17 before tax. If the sales tax is 5 percent, explain how to find the total cost for their dinner.

Answers

Answer: The total cost of the dinner is found by adding the two prices together. Then this sum is multiplied by 1.05, which is 100% + 5%, to get a cost of $11.72.

Step-by-step explanation:

This is the sample answer.

Final answer:

To calculate the total cost including sales tax, convert the percent tax rate to a decimal, multiply it by the meal's cost, and add it to the original cost. In this case, a 5 percent tax on a $3.99 salad and a $7.17 fettuccini alfredo results in a final total cost of $11.72.

Explanation:Calculating Total Cost with Sales Tax

First, to find the sales tax for Abelita's Italian salad and Franco's fettuccini alfredo, you convert the tax rate from a percent to a decimal. The tax rate is 5 percent, which as a decimal is 0.05. Next, add the cost of the Italian salad ($3.99) and fettuccini alfredo ($7.17) to get the total cost before tax, which is $11.16. Multiply this total by the tax rate to find the amount of sales tax: $11.16 × 0.05 = $0.558. Round this to the nearest cent, which gives us $0.56.

The next step is to add the sales tax to the total cost before tax to find the final total cost. Thus, $11.16 (meal cost) + $0.56 (sales tax) = $11.72. Therefore, the total cost for their dinner, including the 5 percent sales tax, is $11.72.

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A 48 ounce container of juice costs $2.64 each. A 64 ounce container of the same juice costs $3.84.

a. Find the cost per ounce of each container.

b. Which size container costs less per ounce?

c. You want to buy 192 ounces of juice. How much do you save using the container size from your answer to part (b)?

Answers

a.) Just divide the unit cost to the number of ounces given. Hence, the cost per ounce of each container would be:

$2.64/48 ounce = $0.055 per ounce
$3.84/64 ounce = $0.06 per ounce

b.) From the answers in part a, the lesser cost is the 48-ounce bottle amounting to just $0.055. 

c.) For 48 ounce bottle price: 192*0.055 = $10.56
     For 74 ounce bottle price: 192*0.06 = $11.52
     Money saved = $11.52 - $10.56 = $0.96

Which is the graph of a quadratic equation that has a positive discriminant?

Answers

If the discriminant is positive,that means that there are roots that are real and therefore, when y=0, the roots are there and for the quadratic to meet it has to go down (or up if in ax²+bx+c a is negative). If the discriminant is 0, that means that since the x value of the vertex is -b/2a and if you have
x=[tex] \frac{-b+- \sqrt{b^2 -4ac} }{2a} [/tex] and b^2-4ac=0, we're left with 0 and we are therefore left with -b/2a as the vertex and the vertex being the x intercept. If the discriminant is negative, that means that there is no y intercept and the vertex therefore has to be over y=0

Answer:

D. Last gragh

Step-by-step explanation:

Given that there are eight ounces in a cup and four cups in a quart , which quaintity below is equal to 128 ounces
A- 256
B- 64
C- 16
D- 2

Answers

Build your conversion factors from the information given:

1 cup = 8 oz

1 quart = 4 cup

If you want the equivalence of cups to 128 ounces:

128 ounces * 1 cup / 8 ounces  = 128 / 8 cup = 16 cup

So, if the complete question which number of cups is equal to 128 ounces, the answer is the option C. 16

I fyou want the equivalence of quarts to 128 ounces:

128 ounces * 1 cup / 8 ounces * 1 quart / 4 cup = 4 quart (given that this number is not among the choices, this should not be the question).




The answer is D- 2.

128 ounces is equivalent to 1 quart in the English system. Knowing that 1 quart equals 4 cups and 1 cup equals 8 ounces, we can calculate that 128 ounces is equal to 1 quart.

A - 256B - 64C - 16D - 2

The Johnsons framed a family picture to hang on the wall. The perimeter of the frame is 72 inches. Use the formula P = 2ℓ + 2w to find the length of the frame if the width is 19 inches.

Answers

2l + 2w = 72
2l + 2(19) = 72
2l + 38 = 72
2l = 34
l = 17

Hope this helps!

The length of the picture frame is 17 inches, which is found by substituting the given width and perimeter into the perimeter formula and solving for the length.

The question asks to calculate the length of a picture frame using the perimeter formula P = 2l + 2w, where P stands for the perimeter, l is the length, and w is the width. Given that the width (w) is 19 inches and the perimeter (P) is 72 inches, we can substitute these values into the formula:

P = 2l + 2w

72 = 2l + 2(19)

72 = 2l + 38

2l = 72 - 38

2l = 34

l = 34 / 2

l = 17 inches

So, the length (l) of the frame is 17 inches.

Sparky had room for 16 rows in his garden. He planted 3 rows of tomatoes for every 5 rows of onions. How many rows of tomatoes did he plant?

Answers

Gary what is wrong with wrong answers?

Answer: 6 rows - tomatoes

Step-by-step explanation:

a farmer has 268 cows. each cow has either one or two calves. if there are 335 calves in total, what fraction of the cows have two calves

Answers

The answer is 67 just subtract 268 from 335

1. Given △PQR≅△STU, m∠R=80°, and m∠S=70°, what is the measure of ∠Q?


2. What is m∠AEB?
(image is for this question)

Answers

1) i'm actually trying to find the answer to that same question 

2) All vertical angles add up to 360 so 360/2= 180 so <AEB is 180

1) Since â–łPQR is a triangle, all angles must add up to 180°. 180 - 80 - 70 = â Q â Q = 30° 2) (5x - 10) = (3x + 40) Combining terms, 2x = 50 so, x = 25 mâ AEB = (5x - 10) mâ AEB = 115°

Jason knows that AK←→⊥KB←→ , AK←→∥EF←→ , and AK←→∥CB←→ .

Which other facts can Jason conclude are true?



Select each correct answer.

m∠EJM=90°

KB←→⊥CB←→

m∠JFB=90°

KB←→∥DM←→−

Answers

The corresponding angles between parallel lines and their common transversal are congruent

The other facts Jason can conclude are true are:

1)  [tex]\mathbf{\underset{CB}{\leftrightarrow}}[/tex] ⊥ [tex]\mathbf{\underset{KB}{\leftrightarrow}}[/tex]

2) m∠JFB = 90°

The reason why the above selected options are correct are:

The relationships between the lines Jason knows are:

Segment AK is perpendicular to KB: [tex]\underset{AK}{\leftrightarrow}[/tex] ⊥ [tex]\underset{KB}{\leftrightarrow}[/tex]

Segment AK is parallel to EF: [tex]\underset{AK}{\leftrightarrow}[/tex] ║ [tex]\underset{EF}{\leftrightarrow}[/tex]

Segment AK is parallel to CB: [tex]\underset{AK}{\leftrightarrow}[/tex] ║ [tex]\underset{CB}{\leftrightarrow}[/tex]

m∠DKF = 90°

The required information:

The facts that Jason can conclude are true

Method:

Find the other relationships between the lines based on the relationships Jason knows

Solution:

We have;

[tex]\underset{AK}{\leftrightarrow}[/tex] ║ [tex]\underset{EF}{\leftrightarrow}[/tex], therefore, [tex]\mathbf{\underset{EF}{\leftrightarrow}}[/tex] ⊥ [tex]\mathbf{\underset{KB}{\leftrightarrow}}[/tex]

[tex]\underset{AK}{\leftrightarrow}[/tex] ║ [tex]\underset{CB}{\leftrightarrow}[/tex], therefore,  [tex]\mathbf{\underset{CB}{\leftrightarrow}}[/tex] ⊥ [tex]\mathbf{\underset{KB}{\leftrightarrow}}[/tex]

[tex]\underset{AK}{\leftrightarrow}[/tex] ║ [tex]\underset{EF}{\leftrightarrow}[/tex], and [tex]\underset{AK}{\leftrightarrow}[/tex] ║ [tex]\underset{CB}{\leftrightarrow}[/tex], therefore, [tex]\mathbf{\underset{EF}{\leftrightarrow}}[/tex] ║ [tex]\mathbf{\underset{CB}{\leftrightarrow}}[/tex]

The relationship, [tex]\underset{EF}{\leftrightarrow}[/tex] ⊥ [tex]\underset{KB}{\leftrightarrow}[/tex], gives m∠JFB = 90°

Therefore;

The correct options for the facts Jason can conclude are;

1)  [tex]\mathbf{\underset{CB}{\leftrightarrow}}[/tex] ⊥ [tex]\mathbf{\underset{KB}{\leftrightarrow}}[/tex]

2) m∠JFB = 90°

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A square pyramid has a base edges 10 in long and a height of 4 in sketch the pyramid and find the surface area round your answer to the nearest tenth

Answers

My answer is 40 pretty sure


PLEASE HELP ME
The base of a triangle measures (2x + 7) units and the height measures (4x + 6) units. Part A: What is the expression that represents the area of the triangle? Show your work to receive full credit. (4 points) Hint: Area = 0.5bh Part B: What are the degree and classification of the expression obtained in Part A? (3 points) Part C: How does Part A demonstrate the closure property for polynomials? (3 points)

Answers

For part A, they're telling you exactly what to do. You have the base length given as (2x+7) and the height given as (4x+6). Then using the given formula for area of a triangle:
[tex]A=\frac{1}{2}bh=\frac{1}{2}(2x+7)(4x+6)[/tex]

For Part B, you will need to multiply out the two binomials in the equation for the area. The degree of the polynomial is the largest power on x, and the classification of the polynomial depends on this degree. A polynomial with degree 1 is a monomial, degree 2 is a binomial, and degree 3 is a trinomial. For Part C: I am not sure how rigorously you have gotten into the closure property for polynomials. What I believe they want you to say is that multiplying two polynomials will always produce a polynomial.

How many solutions are there to the equation below? -46 = 3x + 7x

Answers

-46=3x+7x
-46=10x
X= 10/(-46)
X=-5/23

Therefore, the equation only has one solution

If k is the midpoint of hj and hk =x+6 and hj =4x-6 then What does kj equal

Answers

Given: k= midpoint
hk=x+6
hj=4x-6

Remember midpoint cuts the segment hj in equal parts that means hk=kj and hk+kj=hj
hk+hk=hj
2hk=hj

2hk=hj
2 (x+6)=(4x-6)
2x+12=4x-6
2x-2x+12=4x-2x-6
12=2x-6
12+6=2x-6+6
18=2x
18/2=2x/2
9=x

hk=kj=x+6=(9)+6=15
kj=15

The value of kj is 15.

It is required to find the value of kj.

What is midpoint ?

The midpoint is the middle point of a line segment. It is equidistant from both endpoints, and it is the centroid both of the segment and of the endpoints. It bisects the segment.

Given that:

k is the midpoint of hj and hk.

hk=x+6

hj=4x-6

We know that midpoint cuts the segment hj in 2 equal parts that means hk=kj and hk+kj=hj

hk+hk=hj

2hk=hj

2hk=hj

2 (x+6)=(4x-6)

2x+12=4x-6

12+6=4x-2x

18=2x

Divide 2 on both sides, we get

18/2=2x/2

9=x

hk=kj=x+6=(9)+6=15

kj=15

Therefore, the value of kj is 15.

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Which statement describes how to solve sqrt3x+4 = sqrt3x+4?

A. Square both sides once and then solve the resulting linear equation.
B. Square both sides once and then solve the resulting quadratic equation.
C. Square both sides twice and then solve the resulting linear equation.
D. Square both sides twice and then solve the resulting quadratic equation.

NEED IT ASAP

Answers

since both equations are the same, you would square it one and solve for the linear equation

 Answer is A

Answer:

A

Step-by-step explanation:

A man is 18 years older than his son. in 2 years, his age will be twice the the age of his son. how old is the son at this point in time?

Answers

the son would be 18 years old

use inductive reasoning to find the remaining numbers in the pattern. 2,5,10,17,26,37, ?, ?

Answers

50, 65
is your answer

Marni danced in a contest to raise money for an animal shelter. Marni raised $30 plus $1.80 per minute that she danced. She raised a total of $264. Let x equal the number of minutes Marni danced. What expression completes the equation to determine the total amount of minutes Marni danced? How many minutes did Marni dance? Enter the answers in the boxes.

Answers

30 + 1.8x = 264 x = 130 First, the expression. "Marni raised $30 plus $1.80 per minute" that gives us 30 + 1.8x = ? "She raised a total of $264", which gives us 30 + 1.8x = 264 And that expression is the 1st answer. Now solve for x 30 + 1.8x = 264 1.8x = 264 - 30 = 234 x = 130 So Marni danced for 130 minutes.

Answer:     1: 30+1.8x=264

                  2: 130 min

Step-by-step explanation:

(3p3q)^3/4
What is the expression in radical form?

Answers

Answer:

[tex]p^2\sqrt[4]{27pq^3}[/tex]

Step-by-step explanation:

[tex](3p^3q)^\frac{3}{4}[/tex]

To get radical form , remove the fractional exponent

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

multiply the exponent 3/4 inside the parenthesis

[tex]3^\frac{3}{4} p^{3 \cdot \frac{3}{4}} q^\frac{3}{4}[/tex]

[tex]3^\frac{3}{4} p^{\frac{9}{4}} q^\frac{3}{4}[/tex]

[tex]\sqrt[4]{27} \cdot p^2\sqrt[4]{p} \cdot \sqrt[4]{q^3}[/tex]

[tex]p^2\sqrt[4]{27pq^3}[/tex]

The radical form of the expression [tex]\rm \left (3p \times 3q \right )^{\frac{3}{4}}[/tex] will be [tex]\left ( 3\sqrt{3} \right ) \left (\sqrt[4]{p^3q^3} \right )[/tex].

How do convert the exponent into the simplest radical form?

If the power of the variable "a" is b/c. Then the simplest radical form of the expression will be

PEMDAS rule means for the Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This rule is used to solve the equation in a proper and correct manner.

[tex]\rm \left ( a \right )^{\rm \frac{b}{c}} = \rm \sqrt[\rm c]{\rm a^b}[/tex]

The expression is given below.

[tex]\rm \rightarrow \left (3p \times 3q \right )^{\frac{3}{4}}[/tex]

We know that (ab)ⁿ = aⁿ × bⁿ. Then the expression will be

[tex]\rm \rightarrow \left (3^{\frac{3}{4}} \times p^{\frac{3}{4}} \times 3^{\frac{3}{4}} \times q^{\frac{3}{4}} \right )[/tex]

Simplify the expression in the radical form. Then we have

[tex]\rm \rightarrow \left (3^{\frac{3}{2}} \times p^{\frac{3}{4}} \times q^{\frac{3}{4}} \right )\\\rightarrow \left ( \sqrt{3^3} \times \sqrt[4]{p^3} \times \sqrt[4]{q^3} \right ) \\\rightarrow \left ( 3\sqrt{3} \right ) \left (\sqrt[4]{p^3q^3} \right )[/tex]

The radical form of the expression [tex]\rm \left (3p \times 3q \right )^{\frac{3}{4}}[/tex] will be [tex]\left ( 3\sqrt{3} \right ) \left (\sqrt[4]{p^3q^3} \right )[/tex].

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A text font fits 12 characters per inch.Using the same font how many characters can be expected per yard of text?

Answers

1 foot = 12 inches

 1 yard = 3 feet = 36 inches

36*12 = 432 characters

What number is between these 2 numbers 6,534 and 6,565

Answers

6534 and 6565 is 6545

it can be any number between and including 6535 to 6564

hope this helps

What is the value of a 3 - b 2 for a = 3 and b = ? A. 8 B. 8 3/4 26 3/4 26

Answers

when b = 1  a^3 - b^2 = 3^3 - 1^2 = 26.

Answer:

probably 26

Step-by-step explanation:

What is radical 64/8 simplified

Answers

The answer is 8, because 64÷8= 8!simple

Answer:

2^(6-3) = 2^3 = 8

Step-by-step explanation:

To simplify radical 64/8

We will express 64 and 8 in powers of 2

64 = 2×2×2×2×2×2= 2^6

8 = 2×2×2=2^3

From the law of indices,

a^5 / a^3 = a^ (5-3) = a^2

Applying this law of indices to the given radical,

64/8 = 2^6/ 2^3

= 2^(6-3)

= 2^3 = 8

Also, we can try another way. since

64 = 2×2×2×2×2×2= 2^6

8 = 2×2×2=2^3

64/8 = 2×2×2×2×2×2 / 2×2×2

2×2×2 cancels out 2×2×2 and

It remains 2×2×2 = 8

So which ever way we do it,

radical 64/8 simplified is 2^3 = 8

Explain how to find a general rule for the product (a+b)^3.

Answers

Click here: https://mathbitsnotebook.com/Algebra1/Polynomials/PObispecial.html
and follow the last example on the page.



Point H is the circumcenter of triangle DEF.


Which must be true? Check all that apply.

Point H is the center of the circle that passes through points D, E, and F.
Point H is the center of the circle that passes through points L, M, and N.

HE=HD
LH=NH
MEH NEH
DLH FNH

Answers

Answer:

the correct answers are:

a. ) Point H is the center of the circle that passes through points D, E, and F.

c. ) HE=HD

Final answer:

Point H, being the circumcenter, ensures it is the center of the circle through D, E, and F and that HE equals HD; other statements regarding unrelated points cannot be confirmed.

Explanation:

If Point H is the circumcenter of triangle DEF, then the following must be true:

Point H is the center of the circle that passes through points D, E, and F since the circumcenter is equidistant to all vertices of the triangle, forming the circumscribed circle.HE=HD since, by the definition of a circumcenter, it is equidistant from all vertices of the triangle.

The other statements regarding points L, M, N cannot be determined to be true without additional information, as they are not related to triangle DEF and its circumcenter directly.

In summary, Point H as the circumcenter ensures it is at the center of the circumscribable circle through D, E, and F, and that HE equals HD.

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M= x+n over p solve for x

Answers

M= (x+n)/p

Mp= x + n

x= n - Mp
m=x+n/p

m×p=x+n

m×p-n=x or n-m×p
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