Mathematics High School

−x+9y=
\,\,-19
−19
3x-3y=
3x−3y=
\,\,9
9

Answers

Answer 1

Answer:

9!

Step-by-step explanation:

Related Questions

You would to have $800 saved after 2 years. If you put your money into an account that compounds annually and earns 1.8% annual interest, how much should you put into the account?

Answers

Answer:

$772

Step-by-step explanation:

Set it up as

772(1+0.018)^2

Comes out to $800.04

If you need further explanation tell me in comments

Answer:829

Step-by-step explanation: You would have 829$ because, Of the Number of years for this investment. Hope this helped. If not im sorry!

what is x - (14x-4) + 12 = 6x + 32

Answers

Answer:

x=  -16/19

Step-by-step explanation:

x−14x+4+12=6x+32

−13x+16=6x+32

16=6x+32+13x

16=19x+32

16−32=19x

−16=19x

-16/19=x

 

in class of 40 pupils,20% are absent one day. (a) how many pupils are absent?​

Answers

Answer:  8 pupils are absent

Step-by-step explanation:

20 percent * 40 =

(20* 40)/100 =

(800)100 =

 =8

what is 1/3 plus 1/2 in fraction form

Answers

Answer:

5/6

Step-by-step explanation:

Hope this helped!!!

What should be done to both sides of the equation in order to solve y - 4.5 = 12.2?

Answers

Given: What should be done to both sides of the equation in order to solve y - 4.5 = 12.2?

To Find: What should be done on both side of equation.

Solution:

Step1 : Add 4.5 both sides so that +4.5 gets eliminated from LHS ,

=> y-4.5+4.5=12.2+4.5

=> y = 16.7

Hence the value of y is 16.7.

To need to solve the equation we need to add 4.5 on both sides and the value of y will be 16.7.

What is the equation?

There are many different ways to define an equation. The definition of an equation in algebra is a mathematical statement that demonstrates the equality of 2 mathematical expressions.

In other words, the equation must be constrained with some constraints.

As per the given equation,

y - 4.5 = 12.2

Add 4.5 on both sides of the equation,

y - 4.5 + 4.5 = 12.2 + 4.5

y = 16.7

Hence "To need to solve the equation we need to add 4.5 on both sides and the value of y will be 16.7".

For more about the equation,

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2. Two points are shown on the coordinate plane. How any units apart are
Point A and Point B?*

Answers

Answer:

Step-by-step explanation:

do perpendicular lines intersect at a 60 degree angle?

Answers

No, they intersect at a 90 degree angle.

Answer:

Perpendicular angles create a 90 degree angle

Step-by-step explanation:

4x + 7 = 23 whats the x?

Answers

Answer:

4x=16

x=4

Step-by-step explanation:

isolate x. first subtract 7 to get 4x=16 then divide by 4 to get your answer

Answer:

16

Step-by-step explanation:

Hope this helps and have a great day!!!!

I need help I don’t really get it

Answers

Answer:

A. 72 cm

Step-by-step explanation:

72 x 2/3 = 48

Answer:

72 cm

Step-by-step explanation:

if the smaller figure is 48 cm and its a 2/3 ratio

lets just say 2x:3x

2x=48 so x would =24

then the larger perimeter would be 3*24 which is 72

A shipment of 5 boxes of toys weighed
34.53 pounds. Each box measures the same
weight, so what's the weight of 1 box?

Answers

Answer:

Each box weighs 6.906 pounds.

Step-by-step explanation:

We know the total weight of the boxes. We also know how many boxes we have. To find the weight of one box, we want to divide the total weight by the total number of boxes.

34.53 / 5

= 6.906

Each box weighs 6.906 pounds.

Hope this helps!

PLEASE HELP! I need this asap

Answers

Answer:

5.17

Step-by-step explanation:

just at 10 pecent

Answer:

I think that the third one is the correct answer , $4.94 i mean .

it always tells me i have to put 20 characters but i really need help

Answers

Answer:

B

Step-by-step explanation:

25/100 is 25%.

HELP PLS MARKING BRAINLIEST SHOW WORK IF YOU CAN IF NOT ITS COMPLETELY FINE JUST DO IT

Answers

Answer:

1824 in.

Step-by-step explanation:

First find the area of the two shapes you split that are the rectangle and triangle:

Rectangle Area:

48 * 32 = 1536

Area- 1536 in.

Triangle Area:

48 * 12 * 1/2

       or

48 * 12 divided by 2

= 288 in.

Now add the two areas up:

1536 + 288 = 1824 in.

Answer:

1824

Step-by-step explanation:

I assume you want to find the area of the shape. So in order to find the area of the triangle it is height times base than divide it by 2 which looks like this

(12*48)/2 which equals 576

than to find the area of the rectangle it is height times width which is

48*32 which equals 1536

add them together and you get 1824

$297.89 with a 9.5% tax​

Answers

The exact answer is 326.18955. So about $316.19

class 9 help who are clever will get a brainlist​

Answers

Could you show a better picture?

Use the SIN to find x?
190m
Xm
1. Set Up
2. Operation
3. Answer
52.2

Answers

Answer:

sine=opposite/hypotenuse

sin52.2=x/150

sin0.790=x/150

x=118.5

Question 1 of 5 The Ridgeport school district collected data about class size in the district. The table shows the class sizes for five randomly selected kindergarten and seventh-grade classes. Number of students in randomly selected class Mean Mean absolute deviation Kindergarten 18, 20, 21, 19, 22 20 1.2 27, 32, 33, 33, 35 32 2 Seventh grade Based on these data, which statement is true?

sorry I couldn't fit the answer in it ​

Answers

Answer:

C is the correct answer

Step-by-step explanation:

Based on the data provided, the correct statement is:

A. The average size of a seventh-grade class is larger and varies more than that of a kindergarten class.

Here's the explanation:

1. Average class size:

The mean (average) class size for kindergarten is given as 20, while for the seventh grade, it is given as 32. Since 32 is greater than 20, we can conclude that the average size of a seventh-grade class is larger than that of a kindergarten class.

2. Variation in class sizes:

The mean absolute deviation (MAD) is provided as 1.2 for kindergarten and 2 for the seventh grade. The MAD measures the average amount by which each data point differs from the mean. A higher MAD indicates greater variability. In this case, the MAD for the seventh grade (2) is higher than that for kindergarten (1.2), indicating that the class sizes in the seventh grade vary more than those in kindergarten.

Therefore, the average size of a seventh-grade class is larger and varies more than that of a kindergarten class.

Learn more about Mean here:

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The Leungs sold a valuable painting for $55,000. This price is $1,000
more than twice the amount they originally paid for it. How much
did they originally pay?
A. $25,000 B. $27,000 C. $27,500 D. $28,000

Answers

Answer:

B. $27,000

Step-by-step explanation:

So 55,000 = 2x + 1,000

Simply for x

55,000 = 2x + 1,000

54,000 = 2x

x = 27,000

qüîz 10-2 Gina wilson answers please ​

Answers

Answer:

I don't know how to do it the subject

A trapezoid has bases of lengths 38 and 52. Find the trapezoids area if it’s height is 8.

Answers

Answer:

360

Step-by-step explanation:

Skip count 89300 forward by 5000

Answers

89300, 94300, 99300, 104300, 109300. To keep going forward, add 5000 after each number.

JK and LM are perpendicular diameters of a circle. They are each 12 inches long. What is the approximate length of chord LK? With Explanation Please

Answers

Answer:

8.5 inches

Step-by-step explanation:

Let the center of the circle = C

Now CK = CL = 6

Using Pythagoras theorem  

LK^2 = CL^2 + CK^2

        = 6^2 +6^2

          = 36 + 36

          = 72

LK = 72 ^1/2

     = ( 36*2)^1/2

       = 6(2)^1/2

      = 8.5 inches

The tip of the second hand travels around the edge of the face of a clock. How far does the tip of the second hand travel
between the 6 and the 12, if the length of the second hand is 6 inches?
Arc length
Recall that Circumference
- 360°
3 inches
O 6 x inches
12 x inches
0 24 inches

Answers

Answer:A. 3 inches

Step-by-step explanation: :)

Answer:

b and c

Step-by-step explanation:

Juan compro ayer una tarta y comio 2/5. Hoy ha comido la mitad del resto. Si el trozo restante pesa 300g, cuanto pesaba la tarta?

Answers

Answer:

hello i posted the answer onto 345.tly.com

Step-by-step explanation:

Answer:

1000g

Step-by-step explanation:

2/5 =400g

3/5 = 600g

1/2(3/5) = 300g

400 + 600 = 1000

6.01 x 0.2 =

Can anyone do this plz

Answers

1.202 is the answer

Hope it helps

Brainliest pls

Answer:

1.202

Step-by-step explanation:

what is the distance between (6,-7) (3,-5)

Answers

Answer:

4,684 km

Step-by-step explanation:

The distance between the two points is 3.60555.
I don’t know if the graph you are using for this question has a label amount such as inches or centimeters, if it does then you just add the label onto it accordingly.

If you need help calculating the distance between two point on a graph, you can use this website:

https://www.omnicalculator.com/math/distance

In the standard (x, y) coordinate plane which equation represents a line through the point (6, 1) and perpendicular to the line with the equation =3/2 + 1?
A.) = −3/2 − 8
B. ) = −2/3 − 3
C.) = −2/3 + 1
D.) = −2/3 + 5
E.) = −3/2 + 10

Answers

Answer:

d. -2/3x+5

Step-by-step explanation:

Because the line is perpendicular, the slope must be the inverse of the original slope. The inverse of 3/2 is -2/3. To find the b value, you plug (6,1) into the equation y=-2/3x+b

1=-2/3(6)+b

1=-4+b

5=b

The final equation is y=-2/3x+5

HELP ASAP I WILL GIVE BRAINLIEST IF I CAN

Answers

Answer: add 3

Step-by-step explanation:

i need more helppppppppp, i have to find the area of this circle

Answers

Answer:

You need to find the radius first,

Half of 23 is = 11.5

Formula you must remember when finding area of circle is:

πr^2

(pie (3.14 or 22/7) x radius squared)

Our pie is 3.14 because they said to use it in this particular question.

3.14 x 11.5^2 (remember we are making our radius squared) <--- Before

Let's evaluate first:

3.14 x 132.25 <--- After evaluating

So, 3.14 x 132.25 = 415.265 <----- your answer

                               _______

Answer:

U scammer scaming peoiple ans wasting their points!

Step-by-step explanation:

12% of what number is 1044?

Answers

8,700*

12/100=1044/y         Equation

1044 x 100= 104,400       Cross multiply

104,400÷12=8700            Divide quotient by pecentage out of 100 (12)

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