Mathematics High School

Solve the following system of equations:
y=-5x – 8
y = 5x + 12

Solve The Following System Of Equations:y=-5x 8y = 5x + 12

Answers

Answer 1

Answer:

i havent had this one.

Step-by-step explanation:

Related Questions

4 is 2% of what number

Answers

Answer:

200

Step-by-step explanation:

Step 1: If 2% of a number is 4, then what is 100% of that number? Setup the equation.

4

2%=Y

100%

Step 2: Solve for Y

Using cross multiplication of two fractions, we get:

2Y = 4 x 100

2Y = 400

Y = 400

100 = 200

I don’t know how to do this, please explain :(

Answers

Answer:

1. Adjacent and formed a linear pair

2. Adjacent and formed a linear pair

3. Adjacent

4. Not adjacent

Step-by-step explanation:

In essence, adjacent angles are two angles side by side. Two adjacent angles can form a linear pair when they are created by two lines intersecting. So, in broad terms, they are adjacent on a flat plane (or a straight line), and together they make a 180° angle.

Can someone please help me find the area of the semicircle

Answers

Answer:

The area of each semicircle is (1/2)25(pi) for a total of 25pi.


SOMEONE HELP ME WITH THIS 4 problems plz i will give brainlist!!

Answers

Answer:

Sphere = 113.1

Triangular prism = 30

Rectangular prism = 726

Cone = 452.39

Step-by-step explanation:

have a nice day!

Erin is ordering a laptop computer. The computer costs $1,360.00, and there is a 6% sales tax.
What is the amount of sales tax Erin will owe for her computer?

Answers

Answer:

$81.6

Step-by-step explanation:

(1,360.00)(6%)=81.6

The school that Shawna goes to is selling tickets to a spring musical. On the first day of ticke sales the school sold 7 adult tickets and 7 student tickets for a total of $91. The school took ir $170 on the second day by selling 14 adult tickets and 12 student tickets. Find the price of an adult ticket and the price of a student ticket.​

Answers

Answer:

price of an adult ticket = a = $7

price of a student ticket = s = $6

Step-by-step explanation:

price of an adult ticket = a

price of a student ticket = s

7a + 7s = 91 (1)

14a + 12s = 170 (2)

Multiply (1) by 2

7a + 7s = 91 (1) × 2

14a + 14s = 182 (3)

14a + 12s = 170 (2)

Subtract (2) from (3) to eliminate x

14s - 12s = 182 - 170

2s = 12

s = 12/2

s = 6

Substitute s = 6 into (1)

7a + 7s = 91 (1)

7a + 7(6) = 91

7a + 42 = 91

7a = 91 - 42

7a = 49

a = 49/7

a = 7

price of an adult ticket = a = $7

price of a student ticket = s = $6

Which choices are equivalent to the expression below? Check all that apply.

Answers

Answer:

it is 8

Step-by-step explanation:

Answer:I just got 8 and 64 thats all I got not sure if its gonna be correct for the 64 but for 8 I'm positive about it.

Step-by-step explanation:

The bike Razi wants to buy costs
$250. He babysat 4 times for a total of 15
hours. He has also mowed the lawn 5 times.
Has he earned enough money to buy the
bike?

Answers

Answer:

Not enough information

Step-by-step explanation:

So, we first know that the bike costs 250 dollars. We also know that he babysat for 15 hours, and mowed the lawn 5 times. However, we do not know how much money he has, or how much he made. Sure, doing extra chores could of made him money, but in this question it doesn't say how much money he made. Therefore, we cannot answer this question because, although we have the value of the bike's cost, we do not know how much Razi has. Hope this helps you!

A teenager can wash 2 tables per minute. Write an expression for how many tables they can wash in m minutes. *

Answers

Answer:

2m = x

x being the number of tables

Step-by-step explanation:

2 tables = 1 minute

x tables = m

(cross multiply)

2m = x

x being the number of tables

A suit is on sale for 71% off. The sale price is $278.40.
What is the regular price?

Answers

Answer:

it looks like the answer is $476.06.

Step-by-step explanation:

i got this answer because we already know the sale price. We need to find the regular/ original price of the suit. So in order to do that all you have to do is:

278.40 * 71%= 197.664

now add both together because 197.664 is how much the discount was. So, now add both together. 278.40 + 197.664. Now this gives you, 476.064, round it and you should get $476.06 for the original/regular price.

Jason agreed to make 12 payments of $38.50 to buy a new T.V. SO far he has made 8 payment. How much more money does he owe?

Answers

Answer:

154$

Step-by-step explanation:

What is the coefficient of the term of degree 9 in the polynomial?


5+ 7x^9 + 12x - 5x^7 + 3x^2

Answers

Answer:

It is "7"

[tex]7 {x}^{9} [/tex]

6. Nicole earned $72 in 9 hours At this rate, how
much would she earn in 12 hours?

Answers

Answer:

96

Step-by-step explanation:

Because 72/9 = 8 so every hour she earns 8$

8*12=96

The amount of money in dollars earned by Nicole in 12 hours will be $96.

What is the rate?

The rate is the ratio of the amount of something to the unit. For example - If the speed of the car is 20 km/h it means the car travels 20 km in one hour.

Nicole earned $72 in 9 hours. Then the amount of money in dollars earned by Nicole each hour is calculated as,

Rate = $72 / 9

Rate = $8 for each hour

At this rate, the amount of money in dollars earned by Nicole in 12 hours will be calculated as,

⇒ $8 x 12

⇒ $96

The cash in dollars acquired by Nicole in 12 hours will be $96.

More about the rate link is given below.

https://brainly.com/question/14731228

#SPJ2

Si un capital de 6800 soles se presta a 12% anual, durante a años y 19 días, ¿Qué interés producirá?

Answers

El número de años no se da de forma exhaustiva. Usando un valor hipotético

Respuesta:

Por favor, consulte la explicación.

Explicación paso a paso:

Suponga que el número de años es igual a 1 año 19 días

Convertir en años; 19 días es igual a 19/365 = 0,0520547; por lo tanto, 1 + 0.0520547 = 1.0520547 años

Recuerde la fórmula de interés simple:

Interés = principal * tasa * tiempo

Interés = 6800 * 0,12 * 1,0520547

Intereses = 858,4766352

Por tanto, si el plazo es de 1 año 19 días; interés = 858.4766352

Si el número de años en el período es diferente, simplemente siga el mismo paso para convertir los días y sume al número exacto si los años se dan.

I need help if you answer correct I will give brainiest

Answers

Answer:

Opaque

Step-by-step explanation:

Translucent materials, like greaseproof paper and frosted glass, let some but not all light through. They scatter or diffuse the light. Most materials do not allow light through at all and these are called opaque. (The second question is light)

Answer:

opaque, Radiant

Step-by-step explanation:

Opaque can not be seen through and radiant is an energy that can travel through space.

What is a 1/15 cup in cooking??

Answers

Answer: 1/5 cup with 2 tps

Step-by-step explanation:

What is the area of the shaded part ? Take(π=22/7)

Answers

Answer:

Given:

radius of bigger half circle[R]=(7+7+14)/2=14cm

radius of smaller half circle [r]=14/2=7cm

Area of shaded region =1/2[πR² -πr²]

=1/2×22/7×[14²-7²]=231cm²

Area of shaded region=231cm²

A student can type 2 3 of a page in 1 5 hour. How many pages can the student type in an hour?
Need this asap

Answers

Answer:

2/15

Step-by-step explanation:

find a common denominator:

3, 6, 9, 12, 15

5, 10, 15

the common denominator is 15.

add by how many times you added 3 and 5.

3+4=7/15

do the same with 5 and subtract the answers:

7/15-5/15= 2/15

Answer:

2/15

Step-by-step explanation:

is this quadrilateral a parallelogram?If yes, state the definition or theorem that justifies your answer.​

Answers

Answer:

yes it's

Step-by-step explanation:

it's a parallelogram because the opposite sides are parallel.

give me brainliest

Add fill in the blanks
I need help can y’all help me

Answers

Answer:

Step-by-step explanation:

11, 10 (first side)

10,7 (2 side)

Solve for X pleaassee help

Answers

The answer is 1 because 20 times 1 plus 1 is 21.

The committee mixes 16 liters of soda with 4 liters of fruit punch, how many liters of soda did they make her leader of fruit punch?

Answers

i don't know sorry.....................................

Answer:

16/4=4

4,,,,,,,,,,,,,,,,,,,,

The number of students treated per month has been recorded for the last 60 months. Which between 100 and 200 students were treated

Answers

Answer:

Step-by-step explanation:

Here is the complete question

The number of students treated per month has been recorded for the last 60 months. Which type of graph would allow us to quickly see how many months between 100 and 200 students were treated

A) box plot

B)dot plot

C)historgram

An histogram is a bar-like graph used to represent numerical data. On the x-axis the range of data being described is given and on the y-axis, the frequency is provided.

The  x-axis would show the range of 100 - 200 that were treated

a box plot displays numerical data using their quartiles

A dot plot is display of data using dots

This right? If not help please

Answers

Answer:

a) 8

b) 10

c) 12

Step-by-step explanation:

C is 12 because tablets sold under 30 are the first 2 bars. 5 stores sold 9-19 and 7 store sold 20-30

A tax exempt employee benefit is usually more adavantages to the employee than a tax deferred benefit

Answers

Answer:

Step-by-step explanation:

Yes, it is, more or less. This is because with a tax-deferred account, tax savings are gotten when you make contributions, but when it then comes to a tax-exempt account, the withdrawals are instead free of tax during retirement.

In a tax-deferred account, you can make immediate tax deductions as much as the full amount of your intended contribution, but then, subsequent withdrawals from the same account will be taxed at the normal income rate.

On the other hand, tax-exempt accounts don't deliver a tax benefit, particularly when you contribute to the them, they provide tax benefits that comes much later

Will give u Brainly

Answers

Answer:

Option B

Step-by-step explanation:

Set 1:

med: 76, Range: 50-65= 15IQR: 77-73= 4

find the median, range, and IQRfor each data set.

Set 2:

med: 60, Range: 68-55= 13,IQR: 63-59= 4

76- 60 =16

find the difference of the medians 16 is 4 times 4

so the difference of the medians is 4 times the IQR

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

hope it helps...

have a great day!!

Help me. :) :) :) :)

Answers

Option D

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

Answer:

A prism reflecting light in straight lines.

Step-by-step explanation:

Prisms don't focus light nor diffract. They reflect. I don't think prisms reflect light into wavelengths either. Also, as you can see the rays of light are reflecting in straight lines. Therefore, the prism is reflecting light in straight lines.

Bamboo is one of the fastest-growing plants. A typical growth rate for bamboo in temperate climates is 5 centimeters per day during the growth season.

Which of the following equations, where t represents time in days, and L represents length in centimeters, could be descriptions of the growth of a bamboo plant?

A. L= 5t
B. t= 5L
C. t= 50L
D. L= 50t

Answers

I think the answer is D

hi pls answer. it’s being timed

Answers

Step-by-step explanation:

option a and option d ,

since highest degree of variable x is 2 in both cases

Answer:

third number of answer isquadritic

2 3/10x-5/7y-4 5/6y-2 4/5x

Answers

Answer:

-21x+233y/42

Step-by-step explanation:

Answer:

poop

Step-by-step explanation:

poopx607

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