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Phoenix [80]
2 years ago
14

Question

Mathematics
1 answer:
Vesnalui [34]2 years ago
4 0

Answer:

width is 4

height is 20

Step-by-step explanation:

Area=½ width × height

let the width be x

height will be 6x - 4

40 = ½ × x × (6x - 4)

40 = 2/2 × 3x² - 2x

40 = 3x² - 2x

3x² - 2x - 40 = 0

3x² -12x + 10x - 40 = 0

3x(x-4) + 10(x-4) = 0

(3x + 10)(x - 4) = 0

x = -10/3 or 4

dimension cannot be negative

x is 4

6x-4= 6(4) - 4

24 - 4

20

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5 liters

Step-by-step explanation:

10 x 0.5 = 5

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There were 40 fingers total on the number of gloves Mrs. Edwards knitted. How many gloves did Mrs.Edward knit.
GarryVolchara [31]
40 ÷10 = 4

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3 years ago
Read 2 more answers
Given f(x)=-4x-2 solve for x when f(x)=6
Paladinen [302]

Answer:

-26

Step-by-step explanation:

1. Replace the x with 6

2. Multiply -4 by 6 to get -24

3. Subtract 2 from -24 to get -26

-26 is the answer.

4 0
2 years ago
Find the 20th term of the arithmetic sequence 15, 9, 3, -3, ...
RUDIKE [14]

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4 0
3 years ago
Please answer correctly and I will give brainliest and crown plus an extra 20 points
gayaneshka [121]

Answer:

30.28 yd²

Step-by-step explanation:

Area enclosed = area of trapezoid + area of semicircle

= ½(a + b)*h + ½(πr²)

Where,

a = 5 yd

b = 2 + 5 = 7 yd

h = 4 yd

r = ½(4) = 2 yd

Plug in the known values

Area enclosed = ½(5 + 7)*4 + ½(π*2²)

Area enclosed = ½(12)*4 + ½(π*4)

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= 30.2831853

≈ 30.28 yd² (2 decimal places)

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3 years ago
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