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3 years ago

Please answer correctly !!!!!!!!!!!!!! Will mark brainliest !!!!!!!!!!!!!!! And find y also !!!!!!!!!!!!!!!!!

Mathematics

1 answer:

AnnyKZ [126]3 years ago

4 0

Answer:

I think that x equals 14

Step-by-step explanation:

So 136 is a vertical angle to the angle under it, which then makes it a corresponding angle to (9x+10), so 9x+10 should equal 136, so I believe x=14.

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PLEASE LET ME KNOW (The answer ; explain if u want to)

Mrac [35]

Answer:

It takes 500 seconds for sunlight to reach Earth.

The mass of the sun is 18.98 * 10^28.

Step-by-step explanation:

Step 1) In order to solve problem number one, you would need to divide. Remember, in math in order to get from the smaller unit to the bigger unit, you divide.

Step 2) In this case, the smaller unit is the distance from the sun to earth. The bigger unit in the other hand, is the speed of light.

Step 3) 1.5 * 10^11/300,000,000 = 500

Answer: It takes 500 seconds for sunlight to reach Earth.

—

Step 1) In order to solve problem number 2, convert 26,000,000 in scientific notation which is 2.6 * 10^7.

Step 2) Now, multiply the mass of the sun by the mass of the moon.

(7.3*10^22) * (2.6 * 10^7)

Step 3) Note: whenver you multiply with exponents, you must always add them, the base remains the same.

10^22 + 10^7 = 10^29

7.3 * 2.6 = 18.98

Answer: To conclude, the mass of the sun is 18.98 * 10^28.

8 0

3 years ago

Melissa and Joey enjoyed dinner at a restaurant. They paid the waiter $100.50 plus a 20% tip. How much did each person pay if th

frosja888 [35]

the answer is $60.30 because half of 100.50 is 50.25 and the both would pay 10%. 10% of 100.50 is 10.05.

10.05+50.25= 60.30

4 0

3 years ago

The length of a square is 2x cm. The breadth and length of a rectangle are x cm and (2x + 1) cm

bixtya [17]

Answer:

I hope it will help you.......

5 0

3 years ago

What is the estimate of 405?

mario62 [17]

Answer:

400

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Solve the following:<br>a) 2(5x – 3) = 24<br>b) 5(2x + 1) = 50

likoan [24]

Answer:

x = 3 and x = $\frac{9}{2}$

Step-by-step explanation:

(a)

2(5x - 3) = 24 ( divide both sides by 2 )

5x - 3 = 12 ( add 3 to both sides )

5x = 15 ( divide both sides by 5 )

x = 3

(b)

5(2x + 1) = 50 ( divide both sides by 5 )

2x + 1 = 10 ( subtract 1 from both sides )

2x = 9 ( divide both sides by 2 )

x = $\frac{9}{2}$

3 0

3 years ago