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polet [3.4K]
3 years ago
8

351x5 estimate the answer

Mathematics
1 answer:
Viktor [21]3 years ago
4 0
That's easy. For this problem take the 351 and round it down. Because when you estimate you have to either round down or up. So 351 will round down to 350. Then you just multiply! 350x5= 1750.
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For f (x) = 9 * 81^x evaluate f(-1/2)
LekaFEV [45]

Step-by-step explanation:

f(x) = 9 * 81^x

When x = -1/2,

f(-1/2) = 9 * 81^(-1/2) = 9 * (1/9) = 1.

8 0
3 years ago
Kevin needs 1,000 ribbons for a school event. Each ribbon has to be 2.25 feet long. Tell how Kevin can use a pattern to find how
marysya [2.9K]
2.25 x 1000 = 2250.

That's how much yds of ribbons he needs.
7 0
3 years ago
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GarryVolchara [31]

Answer: h=6

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6 0
3 years ago
Read 2 more answers
Nina decided to raise money for a community organization that provides free classes and legal
Over [174]

A percentage is a way to describe a part of a whole. The money that is raised by Nina in the second month is $960.

<h3>What are Percentages?</h3>

A percentage is a way to describe a part of a whole. such as the fraction ¼ can be described as 0.25 which is equal to 25%.

To convert a fraction to a percentage, convert the fraction to decimal form and then multiply by 100 with the '%' symbol.

Given that the money raised by Nina in the first month is $800, while the money raised by Nina in the second month is 20% more.

Therefore, the money raised by Nina in the second month is,

Money raised = $800 + 20% of $800

                       = $800 + 0.20($800)

                       = $800 + $160

                       = $960

Hence, the money that is raised by Nina in the second month is $960.

Learn more about Percentages here:

brainly.com/question/6972121

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8 0
2 years ago
The as x approaches 0 of tan^2x/x
uysha [10]

L=Lim tan(x)^2/x x->0

Since both numerator and denominator evaluate to zero, we could apply l'Hôpital rule by taking derivatives.

d(tan^2(x))/dx=2tan(x).d(tan(x))/dx = 2tan(x)sec^2(x)

d(x)/dx = 1

=>

L=2tan(x)sec^2(x)/1 x->0

= (2(0)/1^2)/1

=0/1

=0


Another way using series,

We know that tan(x) = x+x^3/3+2x^5/15+.....

then tan^2(x), using binomial expansion gives

x^2+2*x^4/3+.... (we only need two terms)

and again apply l'Hôpital's rule, we have

L=d(x^2+2x^4/3+...)/d(x) = (2x+8x^3/3+...)/1

=0 as x->0

3 0
3 years ago
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