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Anna71 [15]
2 years ago
13

Help pls !!!!!!!brainliest goes to first right answer

Mathematics
1 answer:
fenix001 [56]2 years ago
6 0

Hi there!

\large\boxed{A = 1200in^{2}}

To solve, we can divide the figure into a rectangle and triangle:

The rectangle has dimensions 20in and 30in. The formula A = l × w will be used to find the area.

The triangle has dimensions 40 (10 + 20 + 10) in and 30 in. The formula A = 1/2(b· h) can be used to find the area.

Find the area of each shape:

A = 20 × 30 = 600in²

A = 1/2(40 × 30) = 600in²

Find the sum of both to find the area of the total figure:

600 + 600 = 1200in²

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What is the rule of reflection for y = 2?​
Inga [223]

Answer:

(x,2) > (2,x)

Step-by-step explanation:

y=x

(x,y) > (y,x)

6 0
3 years ago
Select all the ordered pairs that satisfy the function y = 3x + 5. A. (2, –1) A. , (2, –1) B. ( –3, –4) B. , ( –3, –4) C. ( 4, 1
Ne4ueva [31]

Answer:

B. ( –3, –4)

C. ( 4, 17 )

Step-by-step explanation:

Function: y = 3x + 5

Using method of elimination

A. (2, –1)

x = 2, y = -1

-1 = 3 (2) + 5

-1 ≠ 11

This option is incorrect!

B. ( –3, –4)

x = -3, y = -4

-4 = 3 (-3) + 5

-4 = - 9 + 5

-4 = -4

This option is correct!

C. ( 4, 17 )

x = 4, y = 17

17 = 3 (4) + 5

17 = 12 + 5

17 = 17

This option is correct!

D. ( 3, 8 )

x = 3, y = 8

8 = 3 (3) + 5

8 = 9 + 5

8 = 14

This option is incorrect!

5 0
3 years ago
\\\\\\\-------!!!!!40 POINTS!!!!-----\\\\\\\\\
aleksandrvk [35]
Let's actually find the line of best fit...

m=(nΣyx-ΣyΣx)/(nΣx^2-ΣxΣx)

m=(11*836-130*55)/(11*385-3025)

m=2046/1210  

m=93/55

b=(Σy-93Σx/55)/n

b=(55Σy-93Σx)/(55n)

b=(7150-5115)/(55*11)

b=185/55, so the line of best fit is:

y=(93x+185)/55

A)  The approximate y-intercept (the value of y when x=0) is 185/55≈3.36.

Which means that those who do not practice at all will win about 3.36 times

B) y(13)=(93x+185)/55

y(13)≈25.34

So after 13 months of practice one would expect to win about 25.34 times.
3 0
3 years ago
Need some math help!!
BlackZzzverrR [31]
It's the second one.
7 0
3 years ago
2x -3y=8 solve for y
brilliants [131]
2x-3y=8\ \ \ \ \ \ |subtract\ 2x\\\\-3y=8-2x\ \ \ \ \ \ \ \ \ |:-3\\\\y=\frac{8-2x}{-3}
5 0
3 years ago
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