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agasfer [191]
3 years ago
7

7x - 18 = 10x + 3 Simplified

Mathematics
1 answer:
expeople1 [14]3 years ago
5 0
The answer to the question

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Someone help please! I'm a confoosed bab:(
Agata [3.3K]

Answer:

\huge\boxed{A_{\triangle RST}=9units^2}

Step-by-step explanation:

(Look at the picture).

Calculate the area of the rectangle and subtract the areas of red triangles.

The formula of an area of a rectangle:

A_{\boxed{\ }}=a\cdot b

We have:

a=5,\ b=4

substitute:

A_{\boxed{\ }}=5\cdot4=20

The formula of an area of a triangle:

A_\triangle=\dfrac{a\cdot h}{2}

substitute:

A_1=\dfrac{3\cdot3}{2}=\dfrac{9}{2}=4.5\\\\A_2=\dfrac{2\cdot4}{2}=\dfrac{8}{2}=4\\\\A_3=\dfrac{5\cdot1}{2}=\dfrac{5}{2}=2.5\\\\A_1+A_2+A_3=4.5+4+2.5=11

Area of ΔRST:

A_{\triangle RST}=A_{\boxed{\ }}-(A_1+A_2++A_3)

substitute:

A_{\triangle RST}=20-11=9

8 0
3 years ago
Aria borrowed some money from her friend in order to help buy a new video game
murzikaleks [220]

Answer:

t is the x-intercept

and it represents the weeks

Step-by-step explanation:

4 0
3 years ago
enter your answer and show all the steps that you use to solve this problem in the space provided. if x+3/3 = y+2/2, then x/3 =
tatuchka [14]

Answer: y/2

Step-by-step explanation:

Since the x would equal to 3’s and the y equals to 2’s then it would basically be simplified to y/2

3 0
4 years ago
Determine the domain and range of the graph below.
Leni [432]

Answer:

Last one

Step-by-step explanation:

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4 years ago
Shirley has a credit card that uses the previous balance method. The opening
Snowcat [4.5K]

Answer:

(0.19/365 x 30) x ($2830)

Step-by-step explanation:

A P E X

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3 years ago
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