Mathematics High School

2. Write an algebraic expression for the total number of minutes in h hours and 20 minutes.
3. Write an algebraic expression for the total number of hours in 2 hours and x minutes.
4. Write an algebraic expression for the total number of hours in y hours and 45 minutes.

Answers

Answer 1

Answer:

The expressions are:

2. [tex]60h+20\ minutes[/tex]

3. [tex]2+\frac{x}{60}\ hours[/tex]

4. [tex]y+0.75\ hours[/tex]

Step-by-step explanation:

The given expressions have to be converted into algebraic expressions.

So,

2. Write an algebraic expression for the total number of minutes in h hours and 20 minutes.

Here,

h is a variable that can have any value but the 20 minutes will remain same with any number of hours.

If h is for hour, the number of minutes in h hours will be: [tex]60*h = 60h[/tex]

And there are also 20 minutes so the algebraic expression is:

[tex]60h+20\ minutes[/tex]

3. Write an algebraic expression for the total number of hours in 2 hours and x minutes.

In order to convert minutes into hour, the minutes are divided by 60

So converting x minutes into hour means

[tex]x\ minutes = \frac{x}{60}\ hours[/tex]

There are 2 hours already so the expression will be:

[tex]2+\frac{x}{60}\ hours[/tex]

4. Write an algebraic expression for the total number of hours in y hours and 45 minutes.

Converting 45 minutes to hours by dividing by 60

[tex]45\ minutes = \frac{45}{60}\ hours = 0.75\ hours[/tex]

The expression is:

[tex]y+0.75\ hours[/tex]

Hence,

The expressions are:

2. [tex]60h+20\ minutes[/tex]

3. [tex]2+\frac{x}{60}\ hours[/tex]

4. [tex]y+0.75\ hours[/tex]

Related Questions

help please :((((((((

Answers

You can also use the app Microsoft math

Work out the area of this trapezium.
15m
6m
10m

Answers

Answer:

105m²

Step-by-step explanation:

15+6=21

21÷2=10.5

10.5x10=105

A
6) Find Total Surface Area of the shape.
9 km
3 km
7
5 km
4 km

Answers

Answer:

120km^2

Step-by-step explanation:

9x3=27

9X5=45

9x4=36

3x4/2=6

3x4/2=6

27+45+36+6+6=120

What is angle A and B??

Answers

Answer:

A=45 b=110

Step-by-step explanation:

I used a calc

Answer:

A=135 b=200

Step-by-step explanation:

135+200+25=360

X+(x+65) +25=360

Subtract 25 from both sides

X+ (x+65)=335

Combine like terms

2x +65=335

Subtract 65 from both sides

2x =270

Divide by 2

X=135

To get b you just do 135+65=200

If the prime factors of a number are all the prime numbers less than 10 and no factor is repeated, what is the number?​

Answers

Answer:

210

Step-by-step explanation:

Prime less than 10:

2, 3, 5, 7

The number is:

2*3*5*7 = 210

A total of 60 children signed up for hockey there were 3 boys for every 1 girl that signed up how many of the children who signed up for hockey where girls

Answers

45 boys and 15 girls

What is the vertex of the function x^2+x-5

Answers

Answer:

y=(x+1/2)^2-21/4

Step-by-step explanation:

See attachment for answer, which is the vertex of the function.

I’m so confused may sb help please

Answers

Answer:

Line L has a slope of 1 and Line k has a slope of 2.

Step-by-step explanation: You can figure this out by using the rise (up) over run (left/right) method. Line l had 1/1 which equals 1 and line K was 2/1 which equals 2!

Answer: it is D

Step-by-step explanation:

line L hits a new point every 1 point. Line

K hits a new point at every 2 points.

What are the solutions of the equation X4-9x2 + 8 = 0? Use u substitution to solve.
O x = 1 and x = 2.13
O x=+1 and x=+22
O x= ti and X=
O x = ti and X=25
=+21/2

Answers

Answer: the answer is B

Step-by-step explanation:

The solutions of the equation X⁴-9x² + 8 = 0 is ±2√2 and ±1

How to solve equation using substitution

X⁴-9x² + 8 = 0

Let x² = y

Then the equation becomes y² - 9y + 8 = 0

This is in the form ax² + bx + c = 0

We can solve by using quadratic formula for finding roots

x = {-b ± √(b² - 4ac)} / 2a

where,

a = 1, b = -9, c = 8

= {-(-9) ± √((-9)2 - 4(1)(8))} / 2(1)

= {9 ± √(81 - 32)} / 2

= {9 ± √49} / 2

= {9 ± 7}/2

= 16/2, 2/2

= 8, 1

y = 8,1

x = ±2√2, ±1

Learn more about equation:

https://brainly.com/question/16863577

If ∆ABC congruent ∆DEF, which of the following can you NOT conclude as being true?

A. AC congruent DF
B. ‹B congruent ‹E
C. AB congruent EF
D. ‹C congruent ‹F

Answers

Answer:

I believe the answer would be C (sorry i messed uo the first time)

Answer:

C

Step-by-step explanation:

629 divided by the number c equals 17 what is c answer fast WILL MARK BRAINLY!!

Answers

Answer:

c=37

Step-by-step explanation:

The answer c is 37.

What is Division?

Division is one of the operation in mathematics where number is divided into equal parts as that of a definite number

Here is is given that,

629 divided by the number c equals 17.

Here 629 is the dividend, c is the divisor and 17 is the quotient.

We have to find the value of the divisor.

Mathematically the given statement can be written as,

629 / c = 17

Multiplying both sides of the equation with c, we get,

629 = 17 c

Dividing both sides by 17,

c = 629 / 17

c = 37

Hence the value of c is 37.

To learn more about Division, click on the link given below :

https://brainly.com/question/26204160

#SPJ2

Julie purchased tickets to a Mets baseball game from the Mets website. Each ticket costs $19
and the website charged a convenience fee of $5.75 per ticket. To celebrate going to the
game, Julie also bought a new jersey from the website for $60.

Answers

What is the question? If it’s asking how much everything costs the total cost would be $84.75.

Answer:

$84.75

Step-by-step explanation:

the sum of a number and 9, divided by 4, is greater than or equal to -2

Answers

Answer:y – 9. 4 less than a number. y - 4

Step-by-step explanation:

If the sum of a number and 9, divided by 4, is greater than or equal to -2, the number is -17.

What is inequality?

A collection of two or more inequalities in one or more variables is known as a system of inequalities. When there are multiple constraints on a problem's potential solutions and a range of potential solutions are needed, systems of inequalities are used. The maximum or minimum values of a situation with multiple constraints are frequently determined using a system of linear inequalities.

It is given that,the sum of a number and 9, divided by 4, is greater than or equal to -2

Suppose the number is n,

(n+9)/4≥-2

n+9≥-8

n≥-8-9

n≥-17

Thus, if the sum of a number and 9, divided by 4, is greater than or equal to -2, the number is -17.

Learn more about inequality here,

https://brainly.com/question/28823603

#SPJ2

DIRECTIONS: Type your answer in the box below.




Percy planted 4 tomato plants the first week of spring. He planted 11 tomato plants the second week of spring. What is the percent increase in the number of plants Percy planted? Round your answer to the nearest whole percent.

Answers

Answer:

175%

Step-by-step explanation:

The formula for Percent increase =

Final value - Initial value/Initial value × 100

Final value = 11 tomato plant

Initial value = 4 tomato plant

Percent Increase = 11 - 4/4 = 100

= 7/4 × 100

= 175%

Answer:

ur super not talanted

Step-by-step explanation:

Kevin can complete 45 multiplication problems in 2 minutes. What is the unit rate?

Answers

Answer: 22.5

Step-by-step explanation: 45/2

Answer:

0.04 4 is repeated

Step-by-step explanation:

Math:hey everyone I have a quick question, Ps the picture is there!

Answers

Answer:

3/8 < 7/16 < 11/20 < 5/6

Step-by-step explanation:

Fill in the missing numbers to create an equivalent expression (21 + 12)=_( _ + _ )

what's the blank supposed to be?

Answers

Answer:

(21+12)=3(7+4)

This is true because they both equal 33.

A rectangular patio is 9 yd 2 ft long and 5 yd 2 ft wide. What is the perimeter of the patio in yards?

Answers

Answer:

Step-by-step explanation:

perimeter = 2(length + width)

= 2(9 yd  2 ft + 5 yd  2 ft)

= 2(14 yd  4 ft)

= 28 yd  8 ft

How are theses two sequences similar?

Answers

Answer:

I LOVE POINTS!!!!!!!!!!!!!!!!!!!!!!!

Step-by-step explanation:

Answer:

Could you please insert the sentences so I can help?

Basil, Oscar and Sue share 43 sweets.
Sue gets the largest share.
What is the smallest possible number of sweets Sue could get?

Answers

Answer:

Sue gets the largest share of 15, which is the smallest possible number of sweets Sue could get.

Step-by-step explanation:

Basil, Oscar, and Sue share 43 sweets.

Sue gets the largest share.

Let us divide the 42 sweets by 3

42/3 = 14

It means 3 equal parts of 14 make the sum 4.

i.e. 14+14+14 = 42

Since Basil, Oscar and Sue share 43 sweets, which is 1 plus 42.

So, add that 1 to Sue. i.e. 1+14 = 15

so 15+14+14 = 43

Thus, Sue gets the largest share of 15, which is the smallest possible number of sweets Sue could get.

5x +7y =19, -5x - 3y = 11
Whats the best method to solve this equation?

- Elimination
- substitution
- these equations are unsolved
-

Answers

Elimination

In other words,

5x+7y=19
-5x-3y=11

4y=8
y=2

Jessica and her father are comparing their ages. At the current time, Jessica's father is 24 years older than her l. Three years from now, Jessica father will be five times her age at the point​

Answers

Answer:

Jessica is currently 3 years old and her father is 27 years old.

Step-by-step explanation:

System of Equations

Let's call:

x = Jessica's age

y = Jessica's father's age.

There are two conditions:

1: Jessica's father is 24 years older than her or, equivalently:

y = x + 24

2: Three years from now, he will have five times her age.

Three years from now, Jessica will have x+3 years, and her father will have y+3 years, thus:

y + 3 = 5( x + 3 )

Substituting the first condition into the second:

x + 24 + 3 = 5( x + 3 )

Operating:

x + 27 = 5x + 15

Subtracting x and 15:

27 - 15 = 5x - x

12 = 4x

Solving:

x = 12 / 4 = 3

x = 3

y = 3 + 24 = 27

y = 27

Jessica is currently 3 years old and her father is 27 years old.

Some algae contains up to 50% oil by weight. How much oil is in a 7.3-ounce sample of this type of algae?

Answers

Answer:

3.65

Step-by-step explanation:

this is the same as saying

50%of 7.3

which is 3.65

The answer to your question is 3.65

one-step Equation
solve for V
26=8+v​

Answers

Answer:

v = 18

Step-by-step explanation:

26 = 8 + v

v = 26 - 8

v = 18

given f(x)=2x^2 and g(x)=4x-5, the composition f(g(x)) is equal to 32x^2-80 x+53 now find an expression for g(f(x))

Answers

F(x) is most likely the f(f(x)x) where f(x) is g(x))f)) and composition can be 69 + 46 which is the total of 137

Answer:

the answers you'd put in the box are 8 and 7.

when the drop down question pops up, the answer i commutative.

Step-by-step explanation:

i got it right lol

If y = x is compressed by a factor of 1/2 and translated up one unit, the new Function would be:

Answers

The answer is the last one

The toll on a highway is based on the number of miles driven. If the toll on a 15-mile stretch of highway is $0.60, find the cost to drive a 80-mile stretch.

Answers

Answer:

$3.20

Step-by-step explanation:

We have

15-mile stretch = $0.60

80-mile stretch = x

Cross Multiply

15 × x = 80 × $0.60

x = 80 × $0.60/15

x = $3.20

Hence, the cost to drive a 80-mile stretch is $3.20

When you flip a shape over the x-axis and then thy- axis is it the same as rotating 180 degrees counterclockwise?

Answers

Answer:

yes

Step-by-step explanation:

find the sum seven and twenty-five hundredths added to nine and four tenths​

Answers

Answer:

16.65

Step-by-step explanation:

7.25 + 9.4 = 16.65

You bought a bag of cat food for $4.75 and a bag of dog food for $12.59. How much more did you spend on the dog food?

Answers

$7.84 because $12.59-4.75= $7.84

Answer:

$7.84 more

Step-by-step explanation:

To find how much more you spent on dog food, find the difference between the two prices:

12.59 - 4.75

= 7.84

So, you spent $7.84 more on the dog food

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