Someone help please!!

Answer:

x= -5

Step-by-step explanation:

-2x+10=20

-2x+10-10=20-10

-2x=10

-2x/-2=10/-2

x = -5

Answer:

seviye 2

a=3 b=3

c=5 d= -1

seviye 3

a x=5 b x=15

c x=15 d x=9

Answer:

(2,1)

Step-by-step explanation:

bro if im wrong blame me-- but yeah

Answer: Length = 15 meters

Width = 2 meters

Step-by-step explanation:

Perimeter of a rectangle = 2l + 2w

Area of a rectangle = l × w

where l = length

w = width

Therefore,

2l + 2w = 34 ...... i

l × w = 30 ........ ii

From equation i

2l + 2w = 34

Divide through by 2.

l + w = 17 ...... iii

Then, l = 17 - w ........ iv

Put equation iv into ii

l × w = 30

(17 - w) × w = 30

17w - w² = 30

w² - 17w + 30 = 0

w² - 15w - 2w + 30 = 0

w(w - 15) - 2(w - 15) = 0

(w - 2) = 0

w = 0 + 2 = 2

w - 15 = 0

w = 0 + 15 = 15

Length = 15 meters

Width = 2 meters

Answer:

2/5

Step-by-step explanation:

I assume you mean 7/5 - 1

In that case you would need to make 1 a fraction that has a common denominator with 7/5.

7/5 - 5/5 = 2/5

Answer:

10x=y

Step-by-step explanation:

Divide your outputs by your inputs. In other words, divide 20 by 2, 50 by 5, and 70 by 7. These all equal 10. Therefore, 10 times x will equal y.

Answer:

The English teacher, restaurant manager, and assistant principal show bias.

Step-by-step explanation:

The data collection for each survey is only gathering data from one small portion of the total population that could be surveyed.

Answer:

A, B, D

Step-by-step explanation

I got it right on the quiz on Edge 2021.

Answer:

A

Step-by-step explanation:

it's A because it is the only option with an inequality symbol

the inequality symbols are: < > ≤ ≥

Answer its 82 i added the cm

Answer: 4(-1)^3 (2)^2=4

So you would first substitute the x for -1

Then you would substitute the y for 2

Giving you- 4 (-1)^3 Times (2)^2 which would equal 4

Hope this helps :) Im learning this too in math lol

Answer:

44.0

Step-by-step explanation:

cause i did it :)

Answer:

12-2=10

Step-by-step explanation:

Your welcome! :D

Answer:

3

Step-by-step explanation:

3x-3=2x

3x-2x=3

x=3

Answer:

x=3

Step-by-step explanation:

3x - 3 = 2x

-3x -3x

-3 = -x

The x cannot be a negative so you divide both sides by -1 and then the answer becomes x=3

Answer:

$1.10

Step-by-step explanation:

The first two stickers cost $0.8. The thrird one will cost 75% of the cost of one sticker. To find the answer, you multiply 0.75 (0.75 is 75% as a decimal) by 0.4 to get 0.3. $0.3 plus $0.8 equals $1.10.

Note: The height of the room must be 3 m instead of 3 cm because 3 cm is too small and it cannot be the height of a room.

Given:

Perimeter of the floor of a room = 18 metre

Height of the room = 3 metre

To find:

The area of 4 walls of the room.

Solution:

We know that, the area of 4 walls of the room is the curved surface area of the cuboid room.

The curved surface area of the cuboid is

[tex]C.S.A.=2h(l+b)[/tex]

Where, h is height, l is length and b is breadth.

Perimeter of the rectangular base is 2(l+b). So,

[tex]C.S.A.=\text{Perimeter of the base} \times h[/tex]

Putting the given values, we get

[tex]C.S.A.=18\times 3[/tex]

[tex]C.S.A.=54[/tex]

Therefore, the area of 4 walls of the room is 54 sq. metres.

14 i think is the answer

Answer:

8+5 = 13

Step-by-step explanation:

mark brainliest please

Answer:

n+5=13

Step-by-step explanation:

if you want the answer, its 8

Answer:

Results in 27 N in the direction of the person pushing with 140 N

Step-by-step explanation:

140-113=27 N

Sorry, if I did wrong, I'm in middle school so its a bit ahrd.

Answer:

The cost of the sweater would be $17.28

Answer:

3

Step-by-step explanation:

Answer:

Hello! The answer is -3 ≤ x < 1

Hope this helps :)

Answer:

(AB) has the same slope as (AC) is the wrong statement...........

I hope this helps you

Answer:

4x4x4x4=256

Step-by-step explanation:

hope this helps

Answer:

20 = white square in the middle

Step-by-step explanation:

The whole square itself (including the blue parts) is 36 because 6 x 6 = 36

Answer:

26.67%

Step-by-step explanation:

In the Seventh grade Rachel read 15 books in the 8th grade she read 19 books what is the percent of change of books read

The formula for Percent change =

New value - Original value/Original value × 100

New value = 19 books

Original value = 15 books

= 19 - 15/15 × 100

= 4/15 × 100

= 26.67%

The percent change of book read= 26.67%

Answer:

d if "in2" means /2

Step-by-step explanation:

3x-4=90-34

Answer:

The number of dollars it costs to drive the car 30 miles

Step-by-step explanation:

Answer:

$10

Step-by-step explanation:

Answer:

10 in the answer

Step-by-step explanation:

10 is the answer

Answer:

sin2θ = - [tex]\frac{24}{25}[/tex]

Step-by-step explanation:

Given

cosθ = [tex]\frac{3}{5}[/tex] = [tex]\frac{adjacent}{hypotenuse}[/tex] and in fourth quadrant

Then this is a 3- 4- 5 triangle with opposite side = 4

sinθ < 0 in fourth quadrant, then

sinθ = - [tex]\frac{opposite}{hypotenuse}[/tex] = - [tex]\frac{4}{5}[/tex]

Using the double angle identity for sine

sin2θ = 2sinθcosθ

          = 2 × - [tex]\frac{4}{5}[/tex] × [tex]\frac{3}{5}[/tex] = - [tex]\frac{24}{25}[/tex]

Answer:

5599692

Step-by-step explanation:

Simply do the multiplication out, then you should get the answer:

5599692

Answer:5599692

Step-by-step explanation:

just multy and you will get it