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2 years ago

A square has a maximum

Mathematics

1 answer:

Stolb23 [73]2 years ago

7 0

Answer:

Step-by-step explanation:

Square: 4 equal sides

If x is one of the sides:

Perimeter: 4x

12: 4x

x=3

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Harriet thinks of a number.

umka2103 [35]

Let the original number be x
X^2 + 11 = 36
Subtract 11
X^2 = 25
Square root both
X = 5
Solution: her original number is 5

6 0

2 years ago

Read 2 more answers

Reduce fraction: a^3+a^2b/5a times 25/3b+3a

Margaret [11]

ANSWER

$\frac{5a}{3}$

EXPLANATION

The given fractions are:

$\frac{{a}^{3} + {a}^{2} b}{5a} \times \frac{25}{3b + 3a}$

We factor to obtain:

$\frac{{a}^{2}(a + b)}{5a} \times \frac{25}{3(a + b)}$

We cancel the common factors to get:

$\frac{{a}(1)}{1} \times \frac{5}{3(1)}$

We multiply the numerators and also multiply the denominators to get:

$\frac{5a}{3}$

Therefore the two fractions simplifies to $\frac{5a}{3}$

3 0

3 years ago

Is the dilatation an enlargement or a reduction

Brilliant_brown [7]

Enlargement of 2.

if it were a reduction it'd be getting smaller..

5 0

2 years ago

Grace is comparing cell phone plans. A prepaid phone plan costs $0.20 per minute and has no monthly fee. A contracted phone plan

Mkey [24]

Answer:

The prepaid phone plan will have a steeper line and lower y-intercept.

I hope this is right

Step-by-step explanation:

prepaid phone plan y = .20x

contracted phone plan y = .02x + 50

3 0

2 years ago

Read 2 more answers

25 Trent's watch runs at half the speed itshould. In other words, the hands on thewatch move only a half hour when an hourof tim

sergeinik [125]

Given that Trent's watch runs at half the speed it should run, this implies that

for every hour passed, his watch moves by half an hour.

Hence, for every half-hour passed, Trent's watch moves by 15 minutes.

Hence, when the real time is 10:30 am, Trent's watch will show 9:15 am.

6 0

1 year ago