Mathematics College

The diagram shows a square.
(7x + 3) cm
Find the length of the side of the square.
(5x + 8) cm

Answers

Answer 1

The length of each side of the square is; 20.5cm

Squares and equal sides

Since, all sides of a square have equal lengths;

We can assume that the the sides given are equal so that we have;

7x +3 = 5x +8

2x = 8 -3

2x = 5

x = 5/2

x = 2.5

By substituting x into either of the expressions! we have;

7x + 3

7(2.5) + 3 = 17.5 + 3

= 20.5

Related Questions

Identify the term(s), coefficient(s), and constant(s) in the expression 9+4x^2+x/3.

Answers

Answer:

Terms: x3, 4x2, 9. Coefficients: 1, 4. Constants: 9.

Step-by-step explanation:

Answer:

Terms: addition, division, multiplication

Constants: 9 and 2

Coefficients: 4 and 3

I think these are the right answers, I am so sorry if they are wrong!!

Suppose your final grade in this class is determined by the following: test average 50%, Final Exam 20%, Homework/classwork 15%, Class Participation 15%. You have scored the following: on tests: {75, 82, 90, 75}.....Homework: {90, 100, 75, 87, 63}....Class Participation: {90}. What do you have to make on the Final Exam to have AT LEAST an 85 in this class?
A) 90
B) 92
C) 94
D) 96

Answers

Answer:

Step-by-step explanation:

94%

Find the equation of the line.

Answers

Answer:

Y=4x-9

Step-by-step explanation:

The line is at -9 when it's on the y axis

It goes up 4 over 1

You have been offered $3,000 in 4 years for providing $2,000 today into a business venture with a friend. If interest rates are 10%, is this a good investment for you?

Answers

Absolutely Not This would be a bad business move

GIVING OUT BRAINLIEST(easy question ):

What’s 6+6=?

Answers

Step-by-step explanation:

6+6=12

As, 6 x 2 = 12

An example = 6 books were in ur classmates desk, and u had 6 book as well in ur desk

U wanted to build a tower of books

So merged them together

And put them on each other until all books are done

Which now u will simply add the 6 books of ur classmate and urs

Which will be 12 book

PLS HELP GUYS I CRY BECAUSE DON’T UNDERSTAND THIS 2 SLIDES

Answers

Answer:

12 45 785 96

Step-by-step explanation:

express each ratio as a fraction in simplest form 6min to 1 hour

Answers

Answer:

1/10

Step-by-step explanation:

6 goes in 10 times into 60 :)

If a Canada goose completes a $2400$-mile migration in exactly $13$ days and $8$ hours, then what was her average speed for the whole trip in miles per hour?

Answers

Answer:

7.5 MPH

Step-by-step explanation:

total hours = 320

total distance = 2400

2400/320 = 7.5mph

Suppose the large number of auto accidents in a small town results in new legislation that requires all citizens of the town to install new anti-lock brakes on their cars. These new brakes cut the time it takes a car to stop by 50%, allowing drivers to avoid collisions with other cars and pedestrians more easily. The new brakes _________ the probability that a vehicle will collide with another vehicle but also give drivers an incentive to drive more _________, which could potentially __________ the number of car accidents.
a. decrease; carefully; increase
b. decrease; recklessly; increase
c. increase; recklessly; increase
d. decrease; carefully; decrease

Answers

Answer:

a. decrease

b. recklessly

c. increase

Step-by-step explanation:

Suppose the large number of auto accidents in a small town results in new legislation that requires all citizens of the town to install new anti-lock brakes on their cars. These new brakes cut the time it takes a car to stop by 50%, allowing drivers to avoid collisions with other cars and pedestrians more easily. The new brakes decrease the probability that a vehicle will collide with another vehicle but also give drivers an incentive to drive more recklessly which could potentially increase the number of car accidents.

Because the new brakes cut the time it takes a car to stop by 50%, allowing drivers to avoid collision easily, drivers may become confident and drive recklessly which could potentially increase the number of car accidents

For addition, drag tiles onto the board.
To form a group, place one tile on top of another.
What is the sum of -2 and -7?
Board sum: 0
Reset

Answers

Answer:

-9

Step-by-step explanation:

The sum of -2 and -7 is given as follows;

-2 + (-7)

In mathematical operations, + * - is -.

So we have;

-2 - 7

This gives us: -9

Answer:

Step-by-step explanation:

im on enginuity leson multiplying with intager tiles qestion 4

If the surface of the water is at an elevation 0 meters, which person is located at an elevation
of -10 meters?
Noa, who is floating on his back in the water 10 meters behind a boat
Jace, who is exploring a cave that is 10 meters below the surface of the water
Marcus, who is swimming 10 meters below a bird flying overhead
Eleni, who is standing on a pier 10 meters above the surface of the water

Answers

the correct answer is that noa is located at an elevation

Jace, who is exploring a cave that is 10 meters below the surface of the water is at - 10 meters.

What is elevation of - 10 meters ?

Elevation of - 10 meters means we have to go down 10 meters.

According to the given question the surface of the water is at an elevation 0 meters, which person is located at an elevation of -10 meters.

- 10 meters means below 10 meters of the surface of the water.

Reading through options we observe that Jace, who is exploring a cave that is 10 meters below the surface of the water is -10 meter below the surface of water because, Water level it at 0 and the cave is below 10 meter to that so an expression can be formed as

0 - 10 = -10.

learn more about these type of problems here :

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enter a positive value for n that makes the statement true: 1xn is less than 1 but greater than 0

Answers

Answer: 1*1/2

Step-by-step explanation: 1*1/2 equals 1/2 which is greater than zero but less than 1

The given statement is true for all real values between 0 and 1.

Compound inequality:

Important information:

The given expression is [tex]1\times n[/tex].The value of the expression is less than 1 but greater than 0.

The compound inequality is:

[tex]0<1\times n<1[/tex]

[tex]0<n<1[/tex]

Therefore, the given statement is true for all real values between 0 and 1.

Find out more about 'Compound inequality' here:

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Write and algebraic expression , Twice a number n

Answers

Answer:

2(n) or 2n

Step-by-step explanation:

.................

The value of x in this system of equations is 1.

3x + y = 9

y = –4x + 10

What is the value of y?

Answers

Answer y= 6

If you need and explanation let me know

Shae is covering a wall in her bedroom with wallpaper. The measurement of the wall is 12 ft x 14 ft.
A roll of wallpaper covers 42 square feet. How many rolls should Shae purchase?
A. 4 rolls
B. 10 rolls
C. 12 rolls
D. 14 rolls

Answers

Answer:

4 rolls

Step-by-step explanation:

Area of the wall = 12 *14 = 168 square feet

1 roll = 42 square feet.

x roll = 168

1/x = 42/168 Cross Multiply

42x = 168 Divide by 42

x = 168/42

x = 4 rolls

Answer:

12 rolls

Step-by-step explanation:

To determine a student’s grade, a teacher throws out the lowest grade obtained on 5 tests, averages the remaining grades, and round up to the nearest integer. if betty scored 75, 90, 88, 72, and 86 on her tests, what grade will she receive?

Answers

Answer:

Step-by-step explanation:

add 4 values, excluding 72 (lowest grade)

total = 339

average = 330/4 = 84.75

84.75 rounding to nearest integer is 85

1. 1.7, 0.9, 1.07, 1.9, 0.7
6. 3.21, 3.021, 3.12, 3.121
2. 2.0342, 2.3042, 2.3104, 2.4 7. 5.5, 5.059, 5.0090, 5.05
3. 5, 5.012, 5.1, 0.502
8. 0.09, 0.012, 0.0089, 0.0189
4. 0.6, 0.6065, 0.6059, 0.6061 9. 1.3, 1.309, 1.03, 1.39
5. 12.9, 12.09, 12.9100, 12.9150 10.4.01, 4.0011, 4.011, 4.101

Answers

Answer:

Step-by-step explanation:

A parallelogram has one angle that measures 143. What are the measures of the other three angles in the parallelogram?

Answers

The other angles are 143, 37, and 37

Math practice
Will give brainest if correct

Answers

Answer:

x > 24

Step-by-step explanation:

12 + 12 = 24

A large lemonade container at a party holds 9 liters of lemonade. About how many gallons of lemonade does the container hold? ( 1 liter=0.264 gallon )

Answers

it will be 2.4 gallons

can somebody help with this

Answers

Answer:

C)8

plz mark as brainliest

Answer:

c) 8

Step-by-step explanation:

Hope it helps. Pls mark as brainlest

help will mark brainiest

Answers

Answer:

I'm pretty sure the rides are 140 yards away from restrooms.

Step-by-step explanation:

Both triangles are similar, and since the first triangle both have 112 yards on the sides, you can only assume that the second triangle would be similar too, but instead being 112 yards, it would be 140 yards.

Hope this helped!

Lol I need help agin

Answers

Step-by-step explanation:

b²=√218²-13²

=218-169

=49

=√49

Leon is interested in the relationships among geographic region and political affiliation. Leon collected data about the political parties of US senators at that time and the regions of the US that they represent. His results are in the table below.

Answers

Answer: Given that the senator is an independent, it is certain that the senator represents the north east

Answer 2: given that the senator represents the southeast, it is likely that the senator is in the Republican Party

Step-by-step explanation: I did the khan and trial and error

Answer:

Step-by-step explanation:there are 2 answers C and D

Which statement about the graph y=3x+5 is correct?

Answers

Answer: D

Step-by-step explanation:

D is the only one that states the correct slope

5th grade pls help ik my pfp is my face but I look like a different grade

Answers

Answer:

Step-by-step explanation:

First, you divide the 10 and the 5, which leaves you with 2. Then you do 15-2+5 from left to right, and it equals 18.

(hope this helps...brainliest??)

rewrite 15 ^ 1/3 in radical form

Answers

Answer:

The answer will be [tex]\sqrt[3]{15}[/tex]

The required radical expression ∛15 is equivalent to the given expression [tex](15)^{1/3}[/tex].

What are the radical expressions?

Any expression that contains a radical symbol is considered a radical expression. To find the square roots, cubic roots, and higher, radical symbols are used. For example, √7, √6, and √11 are in the radial form.

The expression is given in the question, as follows:

[tex](15)^{1/3}[/tex]

We have to determine the equivalent expression in radical form.

As per the question, we have

[tex](15)^{1/3}[/tex]

This can be also written as:

∛15

Thus, the radical expression ∛15 is equivalent to the given expression.

Learn more about radical expressions here:

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y
∝
√
x

If
y
=
56
when
x
=
49
find,
y
when
x
=
81

Answers

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

Step-by-step explanation:

6x = 5y

x = 49

y = 81

given

56/49

I am so confusion with this work.

Answers

it’s quite easy if you want me to help you

Answers:

5) 1/4

6) 2/3

7) 2/9

8) 3/8

9) 1/12

10) 11/15

11) 3/10

12) 13/15

13) 11/12

14) 17/20

15) 1/21

16) 13/24

17) 5/18

18) 7/30

19) 31/30

20) 5/24

21) 7/12

22) 43/30

23) 11/15

24) 26/21

25 )37/20

26) 44/35

27) 19/20

28) 35/24

29) 11/6

30) 13/14

31) 47/30

32) 13/30

Please Mark as Brainliest :)

Identify the coefficient in the algebraic expression 4ac-3
4
-3
3
4ac

Answers

Answer:

Step-by-step explanation:

4 is the coefficient because its infront of the variable

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The diagram shows a square. (7x + 3) cm Find the length of the side of the square. (5x + 8) cm

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The diagram shows a square.
(7x + 3) cm
Find the length of the side of the square.
(5x + 8) cm