Mathematics Middle School

How many solutions does the system have? 4x−10y=−20 6x−15y=−30 ​

Answers

Answer 1

Answer:

as there are 2eq

Step-by-step explanation:

these are coinciding lines

Related Questions

PLS PLS PLS HELP I WILL MARK BRAINLIEST !!!!!!!

Answers

Reflection over the Y Axis
A. The figure is reflected across the y-axis.

PLZ HELP WILL GIVE BRAINLIEST

Answers

Answer:

2560

Step-by-step explanation:

Help on 6 and 7! Find the rule of each function table

Answers

It looks like #6 is adding 4, and #7 is adding 3
ahhh the answer to #6 is 4x-1!

1 -> 4(1)-1 -> 3
2 -> 4(2)-1 -> 7
3 -> 4(3)-1 -> 11

Find the zeros of the functions
f(x)=-x^2+25

Answers

The answer is 5!!!!!!!!!!!
The correct answer is 5 as shown in the picture above/below

Mikey solved the inequality problem below incorrectly. Explain her error and redo the problem showing the correct answer.
Original problem: -4x+8<32


Mikey’s math work: -4x+8-8<32-8
-4x÷-4<24÷-4
x<-6

Answers

Answer:

x>-6

Step-by-step explanation:

-4x+8<32

-4x+8-8<32-8

-4x÷-4<24÷-4

x>-6

when you divide and there is an inequality you flip the inequality sign.

Answer:

mikey was incorrect

Step-by-step explanation:

i think it is x<24

4y+3=3y+x in slope intercept form

Answers

Answer:

y = x - 3

Step-by-step explanation:

4y + 3 = 3y + x

y + 3 = x

y = x - 3

Please help you don’t need to show your work if you don’t want to!!

Answers

Answer:

True

Step-by-step explanation:

Help please I will make brainlyist.

Answers

Answer:

1. e

2. f

3. a

4. g

5. h

6. b

7. c

8. d

Which conversion requires multiplication?

Decimeter to meter

Meter to kilometer

Kilometer to meter


Millimeter to centimeter

Answers

Answer:

Kilometer to meter

Step-by-step explanation:

I hope this helps.

Answer:C) kilometer to meter

Step-by-step explanation:

brainliest brainliest brainliest help me for ut

Answers

Answer:

A

Step-by-step explanation:

sgryjtyjtyjtsyjtdj

Answer:

A

Step-by-step explanation:

please give me brainliest thanks :)

PLEASEEEE HELPP ASAP WILL MARK BRAINIEST

Answers

C= πd

A=πr²

1. 18·π= 56.5cm

2. 24·π= 75.4yds

3. 2.5·π= 7.9mi

4. 14.5²π= 660.5m²

5. 10.5²π= 346.4ft²

6. 18.25²π= 1046.3in²

1. 56.55cm
2. 75.4yd
3. 7.85mi
4. 651.44m
5. 346.36ft
6. 1046.35in

In 2222 days, students collected 813813 books to donate. Estimate the number of books students collected each day if the number was about the same each day. Use paper to show your thinking.



​

Answers

Answer:

Step-by-step explanation: 6x+4(x+9) =136

Answer:

1808292486

Step-by-step explanation:

You just have to do 813813 X 2222 which gives us 1808292486.

Please mark be the Brainiest it would mean a lot

draw a quicksilver and tell me witch one is your fav

Answers

Answer: I can’t draw lol

But the comic version looks like he man it’s funny

Step-by-step explanation:

i'm so bad at drawing lol

What is the first step in evaluating the expression below?

12 + 6 − 4 ÷ (2 + 5)

A. Divide 4 by 2.
B. Add 2 and 5.
C. Add 12 and 6.
D. Subtract 4 from 6.

Answers

when doing expression like this u need to first do whatever is in the parenthesis, in this case u need to add 2 and 5
So you always have to use PEMDAS
PARENTHESES/EXPONENT/MULTIPLICATION/DIVISION/ ADDITION/SUBTRACTION. MAKE SURE YOU START IN ORDER

HELP
Write an expression for the sequence of operations described below.
triple b, then raise the result to the 10th power

Answers

(3•b)^10. 3 times b them after you do that, you put that answer to the 10th power

“. . . when in the wrought chest the wind blowing over and the sea heaving struck her [Danae] with fear, her cheeks not dry, she put her arm over Perseus and spoke: My child such trouble I have. And you sleep, your heart is placid; you dream in the joyless wood; in the night nailed in bronze, in the blue dark you lie still and shine. The salt water that towers above your head as the wave goes by you heed not, nor the wind’s voice; you press your bright face to the red blanket. If this danger were danger to you, your small ear would attend my words. But I tell you, Sleep, my baby, and let the sea sleep, let our trouble sleep . . .” —Simonides, Greek poet, as quoted in A Soaring Spirit: Time Frame 600–400 B.C. Danae and Perseus are in what kind of vessel?

a. a wooden boat


c. a wrought chest

b. a bronze boat

d. a bed

Answers

Answer:

b.

Step-by-step explanation:

hope this helps

Describe the vertical line test.
A:If a vertical line can be drawn anywhere in the graph, the line will pass through the graph in only one spot.

B:If the graph is not a vertical line, it is a function.

C:If a vertical line can be drawn anywhere in the graph, the line will pass through the graph in more than one spot.

Answers

Answer:

A

Step-by-step explanation:

The area of the picture is 100 square inches. The length is 4 times the width. Find the length and width of the picture.

Answers

Answer:

The length is 20 inches and the width is 5 inches!

Step-by-step explanation:

The length is 20 inches and width is 5

Melanie can run around the track 9 times in 28 minutes. At this rate, how many laps can she run in 1 hour and 15 minutes?

Answers

Step-by-step explanation:

First step is to identify what the problem is asking for and what is given.

9 laps in 28 minutes

Searching for number of laps in 1 hour and 15 min.

1 hour + 15 min. = 75 minutes convert to minutes

9 laps / 28 minutes = x laps / 75 minutes create an equation

9/28 = x/75

9*75 = 28x cross multiply

675 = 28x

x = 675/28 = 24.12 simplify

Melanie can run 24 complete laps in 1 hour and 15 minutes.

Tony wants to put a total of at least x stamps in 3 albums. If he puts 42 stamps in the first album and 58 stamps in the second album, which inequality describes s, the number of stamps he should put in the third album?
A. 42 + 58 + s x
B. 42 + 58 + s x/3
C. (42)(58)(s) x
D. s - (42 + 58) x

Answers

The answer is possibly B
The answer is B. 42 + 58 + s x/3

HELP WILL GIVE BRAINS, FINISH THE TABLE

Answers

Answer:

3x2=6

4x2=8

1x2=2

3.5 x2=7

Step-by-step explanation: hope this help :)

Write a ratio and a percent for the shaded area.
Please help, ASAP!!

Answers

41% and 0.41 im not sure for the last one but hope im right !!
41% is the answer to this

sorry im asking another question but yeah

Answers

20x8 divide by 5 plus 5
160 divide by 5 plus 5
32 plus 5
you get 37
The Answer is 37, hope this helps

Can someone plz help me with this question!!

Answers

Answer:

12,.....,................

Answer:

12. they literally add 3 each time so 9 + 3 = 12 bro

Alexandra is following a recipe that requires 3/4 cup of water. She needs to make 10 servings. How many cups of water does Alexandra need?

A. 1 1/5
B. 3 1/4
C. 7 2/4
D. 8 2/3

Answers

It's C
.75 times 10 is 7.5
The answer is C because 10 times .75 is 7.5 or 7 and 2/4

Mai biked 6 and 3/4 miles today, and Noah biked 4 and 1/2 miles. How many times the length of Noah's bike ride was Mai's bike ride?

Answers

Answer:

2/3 times as far

Step-by-step explanation:

1.5 times
So, to know how many times the length of Noah's bike ride was Mai's bike ride, we can use the following equation: Therefore, Mai biked 1.5 times more miles than Noah

HELP ME ASAP PLEEEEAAASE

Answers

Answer: It is 2.50 tea for 1 milk cup. Do that to every cup and every .5 cup increase

Step-by-step explanation:

A shoe store donated a percent of every sale to charity. The total sales were ​$9,250 so the store donated ​$555. What percent of ​$9,250 was donated to ​charity?

Answers

Answer:

6%

Step-by-step explanation:

P = 555/9250 * 100 = 6%

Answer:

6%

Step-by-step explanation:

PLEASE HEELLLLP WILL MARK BRAINLIEST

Answers

Answer:

312km

Step-by-step explanation:

1. Multiply. 4800 x 7% = 3744

2. Divide. 3744 / 12 = 312km sq.

So the area after 12 years is 312 km sq.

Answer:

2,009.2

Step-by-step explanation:

4,800×(1−7%)^(12)

2,009.2

hope it helps

Brayden is working two summer jobs, making $21 per hour tutoring and making $10 per hour landscaping. In a given week, he can work a maximum of 12 total hours and must earn no less than $170. If xx represents the number of hours tutoring and yy represents the number of hours landscaping, write and solve a system of inequalities graphically and determine one possible solution.

Answers

Answer:

2 hours.

Step-by-step explanation:

Money earned for 14 hours of life-guarding = 14*18 = $252.  If he worked another 5 hours  to make the maximum of 19 he would earn 252 + 5*9

= $297  but he wants to work a minimum of hours for  a minimum of 270.

Thus we have the inequality:

252 + 9x ≤ 270

9x  ≤  18

x  ≤ 2.

So the number of hours he must do clearing tables = 2.

Answer:

The set of two or more inequalities in one or more variables is referred to as a system of inequalities, and the further discussion can be defined as follows:

System of inequalities:

Get y alone on one side of a linear inequality with 2 variables (x,y). Consider the equation that results when the inequality sign is changed to an equality sign. This equation has a line as its graph. A dashed line is drawn if the inequality is strict.

From the question, we know

[tex]21 x+10y \geq 170[/tex]  money

[tex]x+y \leq 12[/tex]           hours

so

Inequality [tex]1 : y\geq - \frac{21}{10} x+17\\\\[/tex]

Inequality [tex]2 : y\leq -x+12\\\\[/tex]

and [tex]x=0, y= 0[/tex]

For example

[tex]y = 2 \ \ \ x=10[/tex]

Please find the attached file.

Find out more about the graph here:

brainly.com/question/2025686

Step-by-step explanation:

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