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Andre45 [30]
2 years ago
5

Estimate

Mathematics
1 answer:
bixtya [17]2 years ago
5 0

Answer:

400009 \times  {10}^{8}

Step-by-step explanation:

(4 \times  {10}^{13} ) + (9 \times  {10}^{8} ) \\  \\  = (400000 \times  {10}^{8} ) + (9 \times  {10}^{8} ) \\  \\  = (400000 + 9) \times  {10}^{8}  \\  \\  = 400009 \times  {10}^{8}

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What percent was the server's tip if the customer left $1.75 for a $12.50 meal.
tatuchka [14]
12.5x=1.75

Solve for x:
1.75/12.5 = 0.14

1. Use the equation 12.5x=1.75
2. Now solve for x. 
  a. Divide 1.75/12.5
  b. Now, you have .14
  c. .14 is 14%
3. The answer is 14%

7 0
3 years ago
I need to help my child do division but I don't know how to do it myself
Sedaia [141]
Well this is a hard question to answer, but this is how i would put it.

 You would take a number (lets use 15) and the second number (lets use 5) would determine how many times it would go into 15. In other words, 5 time x would equal 15 (5x=15). 5, being a factor of 15, would evenly fit into 15 three times.
8 0
2 years ago
Sebastian rides his bike 2000 meters in 5 minutes. How many meters does he bike in 1 minute
kherson [118]
The answer is 4 have a nice
6 0
3 years ago
Read 2 more answers
Please help with this! :)
olchik [2.2K]

Answer:

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3 0
3 years ago
In the diagram below, DE and EF are tangent to O. Which equation could be solved to find X, the measure of DF.
Brut [27]

Answer:

The answer to your question is letter D

Step-by-step explanation:

Formula

                     m∠E = \frac{1}{2} ( DGF - DF)

Data

m∠E = 48°

DGF = 228°

DF = x°

Substitution

                    48° = \frac{1}{2} ( 228° - x°)

Solution

                                     2(48) = 228 - x°

                                     96 = 228 - x°

                                     96 - 228 = - x°

                                    - 132 = - x°

                                       x° = 132°

7 0
3 years ago
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