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Vadim26 [7]
3 years ago
14

Write the prime factorization of 84 using exponents

Mathematics
1 answer:
matrenka [14]3 years ago
4 0

Answer:

9 i think or 2/ 21   <---the 21 is supposed to be square rooted

Step-by-step explanation:

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If the probability of p(m and n) =0.2 p(m)=0.4 and m and independent events, what is p(n)?
abruzzese [7]

Answer:

P(n) = 0.5

Step-by-step explanation:

For two events which are independent, we use the multiplication rule which states P (A and B) = P(A) * P(B). Substitute P(m) = 0.4 and P(m and n) = 0.2 into this formula.

P (m and n) = P(m) * P(n)

0.2 = 0.4*P(n)

Divide by 0.4 on both sides.

0.2 / 0.4 = P(n)

0.5 = P(n)

4 0
3 years ago
Each side of a square is increasing at a rate of 5 cm/s. At what rate (in cm2/s) is the area of the square increasing when the a
Naddika [18.5K]

The area of the square increasing at 30 \frac{cm^{2} }{sec}

The rate of change function is defined as the rate at which one quantity is changing with respect to another quantity. In simple terms, in the rate of change, the amount of change in one item is divided by the corresponding amount of change in another

Let the side of a square be x.

So,

Area of square = x^{2}

A =x^{2}

Differentiating with respect to time we get,

dA/dt = 2x dx/dt

When area = 9 cm^{2} the side becomes 3 cm

At x = 3cm and dx/dt = 5 cm/s (Given)

dA/dt = 2.3.5 = 30 \frac{cm^{2} }{sec}

Thus the area of the square increasing at 30 \frac{cm^{2} }{sec}

Learn more about rate of change here :

brainly.com/question/12786410

#SPJ4

4 0
1 year ago
A storage container is in the shape of a rectangular prism. The container has a length of 10 feet, a width of 8 feet, and a heig
SVETLANKA909090 [29]

Answer:

592

Step-by-step explanation:

A=2(wl+hl+hw)

A=2(8*10+12*10+12*8)=592

8 0
3 years ago
What value of b makes the polynomial x2+bc+16 a perfect square
Fynjy0 [20]
For a perfect square

b² = 4*a*c

Comparing ax² + bx + c = 0 to x² + bx + 16

a = 1,    c = 16

<span>b² = 4*a*c
</span>
<span>b² = 4*1*16
</span>
<span>b² = 64
</span>
b = √64

b = 8

The value of b = 8.
3 0
3 years ago
A seed company planted a floral mosaic of a national flag. The perimeter of the flag is 2,280 ft Determine the flag's width and
GarryVolchara [31]

Answer:

use area to help solve

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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