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S_A_V [24]
2 years ago
13

Please help!! Pythagorean theorem worksheet

Mathematics
1 answer:
Reil [10]2 years ago
4 0

Answer:

1. The law states that

a^2 =b^2 +c^2

a^2 = 6^2+3^2

a^2= 36+9

a^2= 45

✅ a^2 = ✅ 45

a =✅ 45

a= 6.7082039324993

To 9 decimal place

a = 6.708203932

Follow and like if you want the answer for questions 2 and 3

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In the diagram, the areas of ΔADC and ΔDCB are in a ratio of 3 : 4. What are the coordinates of point C?
Kisachek [45]
(1/2(AC) * DC) / (1/2(BC) * DC) = 3/4
AC / BC = 3/4

The coordinate of C be (x, y), then
((4(1) + 3(8))/7, (4(-9) + 3(-2))/7) = ((4 + 24)/7, (-36 - 6)/7) = (28/7, -42/7) = (4, -6)
5 0
3 years ago
Read 2 more answers
15. find the values of x and y
zloy xaker [14]

Answer:

y = 8

x = 21

Step-by-step explanation:

Find x first. Since there is a straight line, we can conclude it's equal to 180 degrees.

11x + 10 -61 = 180

Add 10 to negative 61.

11x - 51 = 180

Add 51 to both sides.

11x = 231

Divide 11 both sides

x = 21.

Now put x in the equations to solve.

This is for the small angle on the right side.

(21+10) = 31

This is for the big angle on the right side.

(10(21) - 61)

210 - 61 = 149.

Now for the other side, we know the degree for the smaller side on the left side since it's a vertical angle.

31 degrees for top left angle. Since we know this side is 180 just subtract 31 from 180 and you'll get 149.

18y + 5 = 149

Subtract 5 both sides.

18y = 144

y = 8.

3 0
3 years ago
Which situation relates to the graph?
enyata [817]
D because there are 10 gallons of gas remaining as you can see on the y axis and 10 gallons is being used for each 10 miles because 10 x 10 is 100 and the graph is counting up by 10
8 0
2 years ago
Show the steps to solve the system of equation. x-2y+3z=-4 , 3x+y-z=0 , 2x+3y-5z=1
Taya2010 [7]

Answer:

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Step-by-step explanation:

let me solve it with Gaussian Elimination

8 0
3 years ago
19. Find the pressure exerted by a force of 240 newtons on an area of 30cm? Please help I will mark as brilliant
Dafna1 [17]

Answer: 80000

Step-by-step explanation:

p=<u>f </u>

    a

<u>24</u>

0.003

NOTE:30  ÷10000=<u>0.030km</u>

7 0
3 years ago
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