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nikdorinn [45]
2 years ago
5

Verbal expression for 9a2

Mathematics
2 answers:
uranmaximum [27]2 years ago
5 0

Answer:

9 times 'a' squared.

Step-by-step explanation:

We are asked to represent the verbal description for our given expression 9a^2.

We can see that in our given expression 9 is multiplied by a variable raised to second power.

We know that a variable raised to second power is known as variable squared.

Therefore, the verbal description for our given expression would be 9 times a variable 'a' squared.

Brilliant_brown [7]2 years ago
4 0
If the 2 is little and on top of the a, then it's called "nine a squared."
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A school has 300 students.If the ratio of boys to girls is 31 to 44, how many more girls are there in the school?
garri49 [273]

Answer:

there would be 52 more girls I think

Step-by-step explanation:

let x = multiplier then

31x =number of boys

44x = number of girls

Boys + girls = 300

44x + 31x =300

75x = 300

x = 300/75

x = 4 is the multiplier

therefore:

44*4 = 176 girls

31*4 = 124 boys

dif = 52 more girls than boys

hope this helped :)

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2 years ago
Round the following numbers to 2 decimal places 3526.48502 12.6433 0.2099
lilavasa [31]

Step-by-step explanation:

3526.49 12.64 0.21

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2 years ago
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3 years ago
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Pls help with this one no wrong answers pls ;-;
Evgesh-ka [11]

Answer:

Answers below.

Step-by-step explanation:

Inititally as x increases, y remains the same.

Afterword, the slope = 2 for x = 3 to x = 5.

the slope = 1 for x =5 to x =9.

the greatest value of y is y = 4 when x = 5.

4 0
3 years ago
Hi,so I've tried solving this problem for a while and I just don't get it,if you could give me some ideas I would appreciate it.
ziro4ka [17]

Answer:

187 cm²

Step-by-step explanation:

The bottom rectangle area is easy, it is 15*9 = 135 cm².

To find the area of the triangle, you only need the base width and its height (you don't need the hypotenuse). You can then use the formula: area triangle is base times half height.

The base width is 15-7 = 8 cm

The height is 22-9 = 13 cm

So the area of the triangle is 13*8/2 = 52 cm²

Together with the 135 of the rectangle that sums to 52+135 = 187 cm².

4 0
3 years ago
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