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Tanya [424]
2 years ago
15

Write a quadratic equation with 7 and as its roots. Write the equation in the form ax^2+ bx + C = 0,

Mathematics
1 answer:
Gelneren [198K]2 years ago
7 0
X^2 - 37/5x + 14/5
.
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3.<br> The perimeter of a square garden is 12 km. Find its area.
7nadin3 [17]

Answer:

the area of the garden is 9 square kilometers

Step-by-step explanation:

4s=12

s=3

A= 3*3 = 9

3 0
3 years ago
Read 2 more answers
How many odd positive integers less than 300 can be written using the numbers 2,4,5,and 8
DENIUS [597]

Answer:

4!

Step-by-step explanation:

Given four numbers 2, 4, 6, 8.

The numbers can be arranged to form an odd number which is less than 300.

That means we have three spaces to fill this. We can try out the different combination of the numbers.

Note that the numbers should be odd. So, in the unit digit should only be 5. 2, 4, 8 would make the number even.

Also, the first digit can only be two because other numbers would make it bigger than 300.

So, 2 ___ 5 is fixed. The middle digit could be any of the four.

So, 225; 245; 255 and 285 all satisfy the conditions.

So, four numbers can be formed.

5 0
3 years ago
Andres was cutting some boards to build a bookshelf. He has a piece of wood that is 10 3/4 feet long. He wants to cut a piece th
ozzi

Answer:

8 and 1/4

Step-by-step explanation:

10 3/4 - 2 1/2

3/4 - 1/2 = 1/4

10 - 2 = 8

3 0
2 years ago
Help plz I'm desperate ​
lutik1710 [3]

<u>Anna:</u>

1st month = 18 + \frac{3}{4} = 18\frac{3}{4} inches

2nd month = 18\frac{3}{4} + \frac{3}{4} = 19\frac{1}{2}

3rd month = 19\frac{1}{2} + \frac{3}{4} = 20\frac{1}{4}

4th month = 20\frac{1}{4} + \frac{3}{4} = 21

5th month = 21 + \frac{3}{4} = 21\frac{3}{4}

<u>Grace:</u>

Because Anna is \frac{9}{4} inches shorter than Grace, we can start the count from the third month:

1st month = 20\frac{1}{4}

2nd month = 21

3rd month = 21\frac{3}{4}

4th month = 21\frac{3}{4} + \frac{3}{4} = 22\frac{1}{2}

5th month = 22\frac{1}{2} + \frac{3}{4} = 23

7 0
3 years ago
What is the solution of this equation 10.25 ( 3x-4) + 18.2=1434/4
Dvinal [7]
I got 6 if that helps i dont know if thats right or not




4 0
2 years ago
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