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Shalnov [3]
3 years ago
10

Emerson has 25 homework questions for math. He has

Mathematics
1 answer:
DedPeter [7]3 years ago
4 0

Answer: 76%

The fraction of questions Emerson has completed is 19/25. To convert this to a percentage, we want to write this as something divided by 100. To do so, multiply the numerator and denominator by 4, to get the fraction 76/100. Therefore, Emerson has completed 76% of the homework questions.

If you have access to a calculator, a more efficient way to solve such a question would be to convert 19/25 to a decimal (it is equal to 0.76), and multiply by 100 to get 76%.

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adoni [48]

Answer:

3

Step-by-step explanation:

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3 years ago
Duolingo assigned you 20 assignments over the weekend. You completed 4/5 of the assignments. How many assignments did you comple
ValentinkaMS [17]

Answer:

19.2

Step-by-step explanation:

7 0
3 years ago
Need help with this one question please!!!
Ede4ka [16]

<u>Find the graph of the equation y = x² - 4x + 4.</u>

This is in the general form y = ax² + bx + c

1.) Graph shape.  For parabolas, if the a-value is positive, the graph opens upward, creating a U-shaped graph.  If the a-value is negative, the graph will open downwards.

Our equation has a positive a-value, which means our graph will open upwards in a U shape.  This rules out options (a) and (d), as they both open downwards.

2.) The axis of symmetry.  To find the axis of symmetry (the middle of the graph, and in this case, its x-coordinate), use the formula x = -\frac{b}{2a}.

x = -\frac{(-4)}{2(1)}

x = -(-2) = 2

The vertex of the graph is at x = 2.  Graphs (b) and (d) both have a vertex at x = 2, but we already ruled out (d) because it opens in the wrong direction for our equation.  This means the correct option must be option (b).

Note: The equation of the parabola tells us that the y-intercept of the graph is at y = 4.  We can see that option (b) is the only option that has a y-int at 4.  This allows us to check our work.

4 0
3 years ago
You want to buy a condo 5 years from now, and you plan to save $3,000 per year, beginning one year from today. you will deposit
Charra [1.4K]
Beginning with the last deposit and working toward the present, the amount in the account is
  3000 + 3000*1.06 + 3000*1.06^2 + 3000*1.06^3 + 3000*1.06^4
  = 3000*(1.06^5 -1)/(1.06 -1)
  = 16,911.28 . . . dollars

_____
The sum is found using the formula for the sum of a geometric series. For first term a1 and common ratio r, that sum is
  Sn = a1*(r^n -1)/(r -1)
Your series has a1=3000 and r = 1.06. It has 5 terms (n=5).
7 0
3 years ago
(Will give Brainliest) please Help this is very Easy I just don't know
kakasveta [241]

Answer:

5x5x5x5x5x5x5x5x5

Step-by-step explanation:

5^6 is basically saying 5 times itself 6 times. 5x5x5x5x5x5

Same with 5^3

5x5x5

Put then together you get 5^9

5x5x5x5x5x5x5x5x5

6 0
4 years ago
Read 2 more answers
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