Mathematics College

Jose scored 80% on Part A of a math test and 92% on part B of the math test. His total mark on the test was 63. The total possible marks for the test was 75. Which system of equations represents this situation?
a (0.80A + 0.92B = 63 A + B = 75
ь (80A + 92B = 63 A + B = 75
с 0.80A + 0.92B = 75 A+B=63
d (80A + 92B = 75 A+B=63

Answers

Answer 1

Answer:

Step-by-step explanation:

Related Questions

If six pieces come off of a hot press, find the probability that two are Grade A, three are Grade B, and one is a Cull.

Answers

Step-by-step explanation:

Given data:

No of pieces = 6

Grade A = 2

Grade B = 3

Cull = 1.

Solution:

Probability that two are Grade A

P = 2/6

= 0.33

Probability that 3 are Grade B

P = 3/6

= 0.5

Probability that 1 is a cull

P = 1/6

= 0.17

What’s the unit rate

Answers

Hi friend! Hope this helps!

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. If you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.

Help me
I will mark is the most brilliant answer

Answers

Answer:

Number one is D/12.5

Step-by-step explanation:

correct me if im wrong plz

The correct answer is 12.5 , its 12.5 because you have to divide 3.75 by .3

The sum of three numbers is 15. The sum of the first number and three times the second number is 15. The sum of the second number and
the third number is 8. What are the three numbers?

Answers

Answer:

Im not sure if this is correct

x=7

y=8/3

z=16/3

Step-by-step explanation:

The three equations are

x+y+z=15

x+3y=15

y+z=8

you can use substitution for the first and third equation so it would be

x+8=15

x=7

then use sub for the second equation

7+3y=15

3y=8

y=8/3

and you can finish by using sub for the third equation

8/3+z=8

3z=16

z=16/3

I hope this is correct

t is no more than 2 units from 9

Answers

Answer:

11 or 7

Step-by-step explanation:

9 + 2 = 11

9 - 2 = 7

Whats the value of 5/12 / 1 7/8? Please answer fast!

Answers

Answer:

i believe its 0.22222222222 im sorry if its incorrect qwq

Step-by-step explanation:

find the value of
sin 0.4

Answers

Answer:

In radians: 0.3894

In degrees: 0.00698

Step-by-step explanation:

Plug it into a calculator.

Can somebody answer this Asp please

Answers

Answer:

the answer is the third one C

Label these on a number line below

Answers

Answer:

You know there is a video to help and there is hints in khan Academy.

Step-by-step explanation:

how many 3/8 " slices are in a block of cheese that is 5 " inches long?

Answers

there is a lot to be honesty

You must be at least 48 inches tall to ride an amusement park ride, and your little sister is 39 inches tall. How
many inches i must she grow before she may ride the ride?

Whats the inequality ?

Answers

Answer:

Step-by-step explanation:

48-39=9

Answer:

Step-by-step explanation:

person above me is correct

i don’t have timeee plsss hurry!

Answers

Answer:

there is no remainder but its 11

Answer:

Quotient is 11 and the remainder is 0

Step-by-step explanation: 143÷13 is 11 so therefore there would be no remainder :)

A display demonstrating probability consists of a board full of pegs with four bins at the bottom. A ball is placed at the top and bounces through the pegs before ending up in one of the bins. Each bin can hold multiple balls. The balls are distinguishable. show answer No Attempt 13% Part (a) How many microstates are possible in a macrostate with two balls

Answers

Answer:

There are 4 microstates. A further explanation is given below.

Step-by-step explanation:

Microstates seem to be the potential energy provinces in which our framework could perhaps exist.

Now that,

These would be the microstates are the following:

The two balls throughout bin 1 Two balls or spheres throughout bin 2 Along with bin 1 ball A but that in bin 2 ball B Along with bin 1 ball B and then in bin 2 ball A

Thus, there have been four microstates.

There are 4 microstates in a macrostate with two balls

Microstates The two balls via bin 1Two balls or spheres via bin 2Along with bin 1 ball A but that in bin 2 ball BAlong with bin 1 ball B and then in bin 2 ball ADue to this,there have been four microstates.

learn more about the ball here: https://brainly.com/question/12201878

Christine is a saving money to buy a game . So far she has saved $36 , which is 3/4 of the cost. How much I does the game cost.

Answers

Answer:

The game costs $48

Step-by-step explanation:

Good luck!

Jonathan’s parents told him that for every five hours of homework or reading he completes, he would be able to play three hours of video games. His friend Lucas’ parents told their son that he could play 30 minutes for every hour of homework or reading he completes. If both boys spend the same amount of time on homework and reading this week, which boy gets more time playing video games? How do you know?

Answers

Answer:

So, to set up this equation, lets just say that Lucas did 5 hours of homework also. The ratio of Lucas's homework to video games is 60 minutes of homework/30 minutes of video games. If we converted the 5 hours into 300 minutes then you would multiply the 60 minutes by 5 and the 30 minutes by 5 also. You would get 300 minutes/150 minutes. Jonathan's ratio is every 5 hours of homework/3 hours of video games. We would convert this to minutes by taking both numbers and multiplying them by 60. We would get 300 minutes/180 minutes. Using this we know that Jonathan gets more time to play video games because every 5 hours of homework he gets 180 minutes of gaming and for Lucas, every 5 hours of homework he only gets 150 minutes of gaming. I hope that this helped you!

Step-by-step explanation:

Answer:

Jonathan gets more time to play video games

Step-by-step explanation:

Using ratios

Jonathan 5:3

Lucas 2:1

Jose borrowed $1500 from the bank at a rate of 8% simple interest per year. He paid in interest in three years.

Answers

Answer:

$1,860

Step-by-step explanation:

5/6%1/3 math question

Answers

Answer:

0.277(continued)

Step-by-step explanation:

Factor the polynomial function over the complex numbers.

f(x)=x4−x3−2x−4

Enter your answer in the box.

f(x)=

Answers

Answer:

Step-by-step explanation:

Given function

f(x)=x⁴−x³−2x−4

Factoring the polynomial

x⁴−x³−2x−4 = (x⁴−4) − (x³+2x) =(x² + 2)(x² - 2) - x(x² + 2) =(x² + 2)(x² - x - 2) =(x + i√2)(x - i√2)(x - 2)(x + 1)

As we see there are 2 complex factors

Answer:

(x+1)(x-2)(x+i√2)(x-i√2)

Step-by-step explanation:

How many solutions does 49m+9=49m+83 have

Answers

None. You cancel out 49m on both sides and get 9 = 83, that is not true so there aren't any solutions.

An item on sale costs 40% of the original price. If the original price was $75, what is the sale price?

Answers

Answer:

$45

Step-by-step explanation:

75 * 0.40= 30

75-30= 45

2) Michelle was 3 miles from home. 2 hours later, she was 15 miles from home.
What is her speed?

Answers

6 MPH

If she was 3 miles from home already, you would subtract 3 from 15 and you would get 12. Divide 12 by 2 and you get 6. Therefore she would be moving at a pace of 6 MPH.

Five less than twice a number is ten

Answers

Nine

“five less” than “twice a” number is “nine”.p-by-step explanation:

There were 600 people at a play. The admission price was $3 for adults and $1 for children. The admission receipts were $1,160.
How many adults and how many children attended? Use the elimination method.
A. 290 adults and 310 children
B. 160 adults and 440 children
C. 320 adults and 280 children
D. 280 adults and 320 children

Answers

answer: D. 280 adults and 320 children

what is 2 divided by 10 plus 5

Answers

Answer:

5.2

Step-by-step explanation:

2/10 + 5

the L.C.M = 10

(2+50)/10 =52/10

= 5.2

how many gallons is in 152 cups

Answers

Answer:

9.5

Step-by-step explanation:

You're welcome have a nice

Twice a increased by the cube of a equals b.

Answers

Answer:

2a +a^3 =b

Step-by-step explanation:

3.7 x 10 to the power of 6 written in decimal form

Answers

Answer:

3,700,000

Step-by-step explanation:

Determine if the rates are equivalent.explain your reasoning 25 hours in 5 days 8 hours in 2 days

Answers

Answer:

No they are not equal

Step-by-step explanation:

25/5 and 8/2 are not equal 25/5 is equal to 5 and 8/2 is equal to 4.

Hope this helps☺️

The length of Amy's rectangular kitchen is 12 feet. If the area of the room is at least 96 square feet, what is the smallest width the room could have? Show your work

Answers

Answer:

8 feet is the shortest possible with the room could have

Step-by-step explanation:

12×8=96

Answer:

8 is the smallest width the room could be

Step-by-step explanation:

s represents the number that is the smallest the room could be

12s = 96

divide both sides by 12

12s/12 = 96/12

s = 8

What is 15-4x=10x+45?

Answers

Answer:

-15/7

Step-by-step explanation:

Answer:

-15 ⁷

Step-by-step explanation:

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