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3 years ago

Write two multiplication sentences that have a product of 16

Mathematics

2 answers:

Hatshy [7]3 years ago

7 0

2 times 8=16
4 times 4=16

Nadusha1986 [10]3 years ago

7 0

16×1=16 and 2×8=16 try that and see

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The number of mosquitoes M(x), in millions, in a certain area depends on the June rainfall x, in inches: M(x) = 13 x - x2. What

My name is Ann [436]

Answer:

The number of mosquitoes is maximum for 6.5 inches rainfall.

Step-by-step explanation:

The given function is

$M(x)=13x-x^2$ .... (1)

where, M(x) is number of mosquitoes in millions and x the June rainfall in inches.

We need to find the rainfall that produces the maximum number of mosquitoes.

Differential the above function with respect to x.

$M'(x)=13-2x$ .... (2)

Equate first derivative equal to 0.

$13-2x=0$

$2x=13$

$x=\frac{13}{2}=6.5$

Differential function (2) with respect to x.

$M''(x)=-2$

Double derivative is negative. So, the value of function is maximum at x=6.5.

Therefore, the number of mosquitoes is maximum for 6.5 inches rainfall.

4 0

3 years ago

Solve for x: 7x + 12 = 47

Inessa05 [86]

Answer:

7x + 12 = 47

7x = 35

x = 5

3 0

3 years ago

Question Help

Murljashka [212]

Answer:

b and a

Step-by-step explanation:

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3 years ago

The sum of jack and his father age is 52.

Sedbober [7]

Answer:Jack is 9 and the father is 43

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3 years ago

The question is "the polynomial is even & positive, does it have 3 or 4 zeros?

sergejj [24]

Even function is symmetrical about the y axis
not sure what it means if the polynomial is positive

the zeroes are how many times it hits the x axis
it hits 4 times so 4 zeros

4 0

3 years ago

Read 2 more answers