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3 years ago

Can you explain 3 and 4 and tell met he right answers if I'm wrong?

Mathematics

1 answer:

defon3 years ago

8 0

Answer:

3) = A+ D 4)= A and C

Step-by-step explanation:

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What is -4x - 7 - 3x + 4 = 25?

g100num [7]

Answer: x= -4

Step-by-step explanation:

Combine like terms

-4x -7 -3x + 4 = 25

-7x -3 =25

Add 3 on both sides

-7x=28

Divide by -7 on both sides

x= -4

Hope this helps! :)

6 0

3 years ago

Read 2 more answers

Rewrite using a single positive exponent. 7^4 * 7^-9

dmitriy555 [2]

7^4 x 7^-9=0.000059
Thats your answer
i hope it helped you

7 0

3 years ago

Read 2 more answers

Express 75 meters 250 millimeters into kilometers.

Lunna [17]

Answer:

0.07525 kilometers

Step-by-step explanation:

1 millimeter = 1 / 1000 meters

250 millimeters

= 250 / 1000

= 0.25 meters

75 meters 250 millimeters

= 75 + 0.25

= 75.25 meters

1 meter = 1 / 1000 kilometers

75.25 meters

= 75.25 / 1000

= 0.07525 kilometers

7 0

3 years ago

Help me pls this is very hard for me and plus i gotta turn this in tomorrow

faltersainse [42]

Answer: $\Large\boxed{x=40^\circ}$

Step-by-step explanation:

Given information

∡ 1 = 90°

∡ 2 = 50°

∡ 3 = x°

Total Angle = 180° (Triangle angle sum theorem)

Given formula

∡ 1 + ∡ 2 + ∡ 3 = Total Angle

Substitute values into the formula

(90) + (50) + (x) = (180)

Combine like terms

140 + x = 180

Subtract 140 on both sides

140 + x - 140 = 180 - 140

$\Large\boxed{x=40^\circ}$

Hope this helps!! :)

Please let me know if you have any questions

6 0

2 years ago

At the school carnival 14 out of 56 tickets sold where early admission tickets. What percentage of the ticket or early admission

cestrela7 [59]

Step-by-step explanation:

14/56×100=25%

14 early admission tickets/total tickets×100= percentage of early admission tickets

8 0

3 years ago