Mathematics High School

Recall that the perimeter of a rectangle is P=2(W+L), where W is the width and L is the length. The length of a rectangle is 23 feet more than the width. If the perimeter is 70 feet, then what is the length of the rectangle, in feet?

Answers

Answer 1

Answer:

Length = 6 + 23 = 29 feet

Step-by-step explanation:

Width = x

Length = x + 23

2x + 2(x+23) = 70

2x + 2x + 46 = 70

4x = 70-46

x = 24/4

x = 6

Related Questions

Please help me out I really can’t afford failing this test

Answers

Answer:

I'm not really sure but I think it's 2

Step-by-step explanation:

So here's what I did;

x³+3x-9=x - 1 +2x

x³+3x - x -2x = 9 - 1

x³= 8

x = ³√8

x = 2

I hope this helps

Pls help Evaluate (7-3) = 2

Answers

Answer:

Step-by-step explanation:

subtract the. divide it once

Answer: 4 = 2

Step-by-step explanation:

1. (7-3) = 4

2. 4=2

76 people left before the movie ended 124 people remained how many people were in the theater when it was full

Answers

Answer:

Step-by-step explanation:

124 + 76 = 200 ☺

200 people

if 76 people left but 124 were still there, you’d add 76 and 124, resulting in 200

help ill give brainliest

Answers

Answer:

venti, it has more liquid per ounce

If you have 20 dollars how much more will you need to get to 43?

Answers

Answer: $23

Explanation: 43 - 20 = 23

What is the value of the expression shown?

1/2(7.9−0.08)

Answers

Answer:

3 91/100 or 3.91

Step-by-step explanation:

Simplify 5^4/5^3

5^7
5^-1
1/5
1/5^7

Answers

Answer:

5^4-3

5¹

by law

a^m÷a^n= a^m-n

resolver el sistema x-y =6 y este otro 2x+5y= -2 porfaaaa es para mañana

Answers

Answer:

x =4

y = -2

Step-by-step explanation:

a) x - y = 6

b) 2x + 5y = - 2

a) x = y + 6

b) 2(y+6) + 5y = -2

2y + 12 + 5y = -2

7y = -2 -12

y = -14/7

y = -2

a) x - (-2) = 6

x +2 = 6

x = 6-2

x = 4

An angle measures 68° less than the measure of its complementary angle. What is the measure of each angle?

Answers

90-68 =22
The answer is 22 degrees and 68 degrees

two companies listed a revenue for the year in their respective websites. Company a has revenue in the amount of 1.6×10^6 and company b has revenue in the amount of 7.2x10^8. how many Times greater is the revenue for company b?

Answers

5,600,000 times greater

will give brainlist 2 best answer
Reflect (7, 3) in (a) the x-axis and (b) the y-axis.
a. x-axis reflection: ( , )
b. y-axis reflection: ( , )

Answers

Answer:

(a) (7, -3)

(b) (-7, 3)

Step-by-step explanation:

Identify the initial condition and the rate of change

y=−5x+32

Answers

the number next to x is rate of change, so in this case -5, and the number thats alone is the initial so 32. So ans A is correct.

for the given graph :

y = -5x + 32

rate of change = -5

Initial condition = 32

what does this q equal

Answers

Answer:

30 degrees

Step-by-step explanation:

Since all triangles' angles add up to 180 degrees, you can add the sum of the angles you already know and subtract it from 180.

126+24=150

180-150=30

so angle Q = 30 degrees

the answer to your question, the Q equals 30 degrees.

help me please WORTH 20 POINTS

Answers

Answer:

Step-by-step explanation:

please solve !!!! asap );

Answers

Answer:

<7 58

<5 47

<6 75

<4 107

<8 73

<9 49

all triangles add up to 180 and all lines add up to 180

What is the slope of the line represented by the equation y =4/3x-3

Answers

Answer:

m, is equal to (4/3)

Step-by-step explanation:

Match the given equation y =(4/3)x-3 to the standard slope-intercept form y = mx + b. By doing so we see that the slope, m, is equal to (4/3).

Jon painted 4/5 of his house on Saturday on Sunday he paints 2/3 of what was left how much still needs to be painted

Answers

Answer: Jon has 1/5 left to paint

Does x=5 satisfy the equation 3x + 2 +5x= 95 explain

Answers

Answer:

Step-by-step explanation:

3x + 2 +5x

if x=5

3(5)+2+5(5)

=15+2+25

=42 which is not equal to 95

No, it doesn't satisfy the equation

Step-by-step explanation:

3x + 2 +5x = 95

Now putting the value of x

3×5 + 2 + 5×5 = 95

15 + 2 + 25 = 95

42 ≠ 95

Hence, x = 5 doesn't satisfy the equation 3x + 2 +5x= 95

How does a sequence of translations , relections , and rotations result in congreunt figures

Answers

Answer:

if the size (and shape) of the figure doesn't change then it's congruent

Step-by-step explanation:

A biologist is developing two new strains of bacteria. Each sample of Type 1 bacteria produces four new viable bacteria, and each sample of Type II bacteria produces three new viable bacteria. Altogether, at least 240 new viable bacteria must be produced. At least 20, but not more than 60, of the original samples must by Type I. Not more than 70 of the original samples can be Type II. A sample of Type I costs $5 and a sample of Type II costs $7. How many samples of each bacteria should the biologist use to minimize the cost? What is the minimum cost?

Answers

The cost can be optimized by using a Linear Programming given the linear constraint system

To minimize the cost, the biologist should use 60 samples of Type I bacteria and 0 samples of Type II bacteria

Reason:

Let X represent Type 1 bacteria, and let Y, represent Type II bacteria, we have;

The constraints are;

4·X + 3·Y ≥ 240

20 ≤ X ≤ 60

Y ≤ 70

P = 5·X + 7·Y

Solving the inequality gives;

4·X + 3·Y ≥ 240

[tex]Y \geq 80 - \dfrac{4}{3} \cdot X[/tex] (Equation for the inequality graphs)

The boundary of the feasible region are;

(20, 70)

(20, 53.[tex]\overline 3[/tex])

(60, 0)

(60, 70)

The cost are ;

[tex]\begin{array}{|c|c|c|}X&Y&P= 5\times X + 7 \times Y\\20&70&590\\20&53.\overline 3&473.\overline 3\\60&0&300\\60&70&790\end{array}\right][/tex]

Therefore, the minimum cost of $300 is obtained by using 60 samples of Type I and 0 samples of Type II

Learn more here:

https://brainly.com/question/17646656

The cost of a birthday party at a skating rink is proportional to the

number of guests. The skating rink charges $82.50 for 10 guests.

The choices show the number of guests and the total cost for four

different parties that were hosted at different locations. Select each

party that was hosted with the same constant of proportionality, or

unit rate, as the skating rink's unit rate.

Answers

Answer:

Step-by-step explanation:-

The required magnitude of the constant of the proportionality is 8.25.

Given that,
The cost of a birthday party at a skating rink is proportional to the number of guests. The skating rink charges $82.50 for 10 guests.

What is proportionality?

proportionality is defined as between two or more sets of values, and how these values are related to each other in a sense are they directly proportional or inversely proportional to each other.

Here,
Let the number of the guest be x and the total charge for the party be y,
y = kx
Where K is the constant of proportionality,
Substitute the values in the equation for the number of guests and corresponding charges,
82.50= K(10)
K = 8.25

Thus, the required magnitude of the constant of the proportionality is 8.25.

Learn more about proportionality here: https://brainly.com/question/22620356

#SPJ5

Question
Which of the following values are in the range of the function graphed below?
Check all that apply.

A. 2
B. 1
C. O
D. 4
E-4
F. -1

Answers

Range means all y values of the function.

The answer is E. -4

can you help me with these:
1: 2/3x=-8
2: -4.5= - 0.15p
3: 2 1/3c=2 1/10
4: 3m + 5 =14
5: -2k +7 = -3
6: 11 = 1/3a +2
ILL GIVE BRAINLY T WHOEVER DOES ALL THEM AND SHOWS WORK!

Answers

Answer:

1. x= -12

2.p= 30

3.c= 9/10 or c= 0.9

4.m= 3

5.k= 5

6.a= 27

Step-by-step explanation:

why tHE F is MATH HARD KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK

Answers

Answer:

well it isn't hard

have a nice day

What is the range of the function f(x) = 3x + 2
when the domain is {-2,-1,2}?

Answers

Answer:

Im going to give them as ordered pairs, you can pick out the range (Y values): (-2,-4), (-1,-1), (2,8)

Step-by-step explanation:

All that needs to be done for this problem is one thing: substitute the given domain values for the "x" in the equation. Domain is just a fancy way of saying x coordinate. All f(x) is is "function of x." This can still be your Y coordinate, or your range. I hope this process helps!

The table shows the heights that four people parachute from an airplane. What is the range of the heights? Write your answer as a decimal or fraction in simplest form

Answers

The range is 7/20 of a mile.

A line has slope −5/3. Through which two points could this line pass?

A: (11, 13) & (8, 18)

B: (12, 13) & (17, 10)

C: (16, 15) & (13, 10)

D: (0, 7) & (3, 10)

Answers

Answer:

Step-by-step explanation:

[tex]m=\frac{18-13}{8-11} =\frac{5}{-3} =-\frac{5}{3}[/tex]

I hope this help you

Line A is perpendicular to Line B.
If the slope of Line Ais ,
what is the slope of Line B?
Enter the correct symbol, + or -.

Answers

Answer:

-7/3

Step-by-step explanation:

the answer is the negative reciprocal.

$40 jacket is 25% off how much will u save

Answers

Answer:

10 dollars

Step-by-step explanation:

Solve the linear inequality below.

9x−8>4x+7

Enter your answer as the correct inequality. For example, if your answer is x<42, enter it like this: x < 42

Answers

Answer:

x > 3

Step-by-step explanation:

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