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Akimi4 [234]
3 years ago
8

1. The shape of the top surface of a table is a trapezium. Find its area

Mathematics
1 answer:
Pani-rosa [81]3 years ago
7 0

Answer:

3 maybe

Step-by-step explanation:

1+1.2+.8=3 m

i think this is

right

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What is the root of the polynomial equation x(x-2)(x+3)=18 ? Use a graphing calculator and a system of equations.
Hoochie [10]

Answer:

3 is the root of the equation.

Step-by-step explanation:

We have to find the root of the polynomial equation x(x-2)(x+3)=18.

We can find the same by using a graphing utility and the system of equations.

We can make two equations which are given by

y=x(x-2)(x+3)....................(1)\\\\y=18

Now, we plot the graph of these equations and the x-coordinate of the intersection point will be the root of the equation.

the graph has been shown in the attached file.

The intersection point is (3, 18) and the x-coordinate is 3.

Therefore,  3 is the root of the equation.

5 0
3 years ago
Read 2 more answers
Round 3.5 to the nearest whole number
sweet [91]
4 (5 and up round up --- 4 and below round down)
6 0
3 years ago
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What is 4x(5x-2)=20x-2
Zanzabum

Answer: x = 1.32 and x= 0.076

Step-by-step explanation:

4x(5x-2) = 20x-2

20x^2-8x = 20x-2

20x^2-8x-20x+2=0

20x^2-28x+2=0

Using quadratic equation

x = (-b +or- √(b^2-4ac))/2a

a =20, b=28, c= 2

Substitute into the equation

x= (7+√39)/10. = 1.32

x = (7-√39)/10 = 0.076

7 0
2 years ago
Christopher swam laps everyday in the town swimming pool. He swam 45 minutes each day, 5 days each week, for 12 weeks.
Dahasolnce [82]
45(5)=225 than multiply that by 60 because remember he only swam 5 out of 7 days a week  (12x5=60)  therefore  225x60= 13,500 minutes to convert to hours divide by 60  which will be 225 hours
8 0
3 years ago
Dave and Busters charges 2.50 per game in the arcade plus a one-time entrance fee of $10.
AnnZ [28]

Answer:

C) y = 2.50x + 10

Step-by-step explanation:

Equation C is saying:

total cost = 2.50(number of games) + $10 entery fee

Hope this helps :)

6 0
2 years ago
Read 2 more answers
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