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goldfiish [28.3K]
3 years ago
12

Polygon ABCD has the following vertices:

Mathematics
1 answer:
Flauer [41]3 years ago
4 0

Answer:

あなたの愚か者私はあなたを理解していません

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The time to complete a standardized exam is approximately normal with a mean of 70 minutes and a standard deviation of 10 minus.
AnnyKZ [126]

Answer:

Step-by-step explanation:

Given that the  time to complete a standardized exam is approximately normal with a mean of 70 minutes and a standard deviation of 10 minutes.

P(completing exam before 1 hour)

= P(less than an hour) = P(X<60)

=P(Z<\frac{60-70}{10} =-1)

=0.5-0.34=0.16

i.e. 16% of students completed the standardized exam.

7 0
3 years ago
The 20,000 seats available at Madison Square Garden for a popular concert sold out in just 12
Lina20 [59]

Answer:

8333 tickets.

Step-by-step explanation:

If you take 20,000 and divide it by 12 you get 1666.66

You then take 1666.66 and times it by 5.

The answer you get is 8333.33 but the instructions say to round it to the nearest whole number which would be 8333. Hope this helps!!

4 0
3 years ago
CLASS PROJECT An economics class formed a company to sell school supplies. They would like to sell at least 20 notebooks and 50
lesya692 [45]

Answer:

60≥20x+50y

Step-by-step explanation:

Let x = notebooks and y = pens (all per week)

One solution would be x ≥ 1 and y ≥ 1 as at least one per each item per week

8 0
3 years ago
Complete 4,5,6 for 25 points.
NemiM [27]

Answer:

Step-by-step explanation:

4. A = P + Prt

   a. Solve for r

    Prt = P - A

    r = (P - A)/Pt

    b. Solve for t

         Prt = P - A

           t = (P - A)/Pr

5. Ax + By = C

   a. By = C - Ax

        y = (C - Ax)/B

   b. Ax = C - By

       x = (C - By)/A

6. y = mx + b

   a. mx + b = y

       mx = y - b

       x = (y - b)/m

    b. mx + b = y

        mx = y - b

        m= (y - b)/x

   c. mx + b = y

       b = y - mx

7 0
3 years ago
Andrew is showing his work in simplifying −4.5 + 4.2 + 5.6 − 7.3. Identify any errors in his work or in his reasoning. Write fee
Anni [7]

Answer:

Error: 1 −4.5 + 4.2 + 5.6 + (−7.3) Additive inverse

Step-by-step explanation:

Correction: no need to subtract from one

.

6 0
3 years ago
Read 2 more answers
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