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natita [175]
3 years ago
5

Which numbers can best be used to estimate 22,957 54,998?

Mathematics
1 answer:
White raven [17]3 years ago
7 0
The number that could be used for estimation is usually the nearest grand round number of those numbers.

In this case, the number that can be used for
22,957 is 23,000

and

54,998 is 55,000

hope this helps
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The double number line shows that in 2 minutes, Pogo the dog can fetch a Frisbee 6 times.
Zolol [24]

Answer:

12 times (double the times since we are doubling the minutes)

Step-by-step explanation:

2/6 = 4/x

Use cross multiplication

2x = 6*4

2x = 24

x = 12

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What is a synonym for the number 11
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At the beginning of an environmental study, a forest covered an area of 1500 km2 . Since then, this area has decreased by 9.8% e
fredd [130]

Answer:

A(t)=(0.902)^t \cdot 1500 [km^2]

Step-by-step explanation:

In this problem, the initial area of the  forest at time t = 0 is

A_0 = 1500 km^2

After every year, the area of the forest decreases by 9.8%: this means that the area of the forest every year is (100%-9.8%=90.2%) of the area of the previous year.

So for instance, after 1 year, the area is

A_1 = A_0 \cdot \frac{90.2}{100}=0.902 A_0

After 2 years,

A_2=0.902 A_1 = 0.902(0.902A_0)=(0.902)^2 A_0

And so on. So, after t years, the area of the forest will be

A(t)=(0.902)^t A_0

And by substituting the value of A0, we can find an explicit expression:

A(t)=(0.902)^t \cdot 1500 [km^2]

8 0
3 years ago
What is the discriminant of: 2x^2 - 7x + 3
fgiga [73]
The discriminant is 25
7 0
3 years ago
The product of 6g2 and -2g3 is equals to​
ryzh [129]

Answer:

We conclude that:

\left(6g^2\:\right)\times \left(-2g^3\right)=-12g^5            

Step-by-step explanation:

Given

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  • -2g³

The product of 6g² and -2g³ can be determined by multiplying each other such as:

(6g^2\:)\times \:(-2g^3)

Apply the rule:  a(-b) = -ab

\left(6g^2\:\right)\times \left(-2g^3\right)=-6g^2\times \:\:2g^3

Apply exponent rule:   a^b\times \:a^c=a^{b+c}

                          =-6g^{2+3}\times \:2

                          =-6g^5\times \:2

                          =-12g^5

Therefore, we conclude that:

\left(6g^2\:\right)\times \left(-2g^3\right)=-12g^5            

8 0
3 years ago
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