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allsm [11]
3 years ago
9

799.73 round to the nearest whole number

Mathematics
2 answers:
Ainat [17]3 years ago
7 0
The answer is 800 I am 100% sure
JulsSmile [24]3 years ago
4 0
800 hope this helped :)
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Help with 5b please . thank you.​
Allushta [10]

Answer:

See explanation

Step-by-step explanation:

We are given f(x)=ln(1+x)-x+(1/2)x^2.

We are first ask to differentiate this.

We will need chain rule for first term and power rule for all three terms.

f'(x)=(1+x)'/(1+x)-(1)+(1/2)×2x

f'(x)=(0+1)/(1+x)-(1)+x

f'(x)=1/(1+x)-(1)+x

We are then ask to prove if x is positive then f is positive.

I'm thinking they want us to use the derivative part in our answer.

Let's look at the critical numbers.

f' is undefined at x=-1 and it also makes f undefined.

Let's see if we can find when expression is 0.

1/(1+x)-(1)+x=0

Find common denominator:

1/(1+x)-(1+x)/(1+x)+x(1+x)/(1+x)=0

(1-1-x+x+x^2)/(1+x)=0

A fraction can only be zero when it's numerator is.

Simplify numerator equal 0:

x^2=0

This happens at x=0.

This means the expression,f, is increasing or decreasing after x=0. Let's found out what's happening there. f'(1)=1/(1+1)-(1)+1=1/2 which means after x=0, f is increasing since f'>0 after x=0.

So we should see increasing values of f when we up the value for x after 0.

Plugging in 0 gives: f(0)=ln(1+0)-0+(1/2)0^2=0.

So any value f, after this x=0, should be higher than 0 since f(0)=0 and f' told us f in increasing after x equals 0.

8 0
2 years ago
“Find the values of x and y when the smaller triangle here has the given area! “
natita [175]
Answer:

I think it’s 48 cm

Step-by-step explanation:

Area is length x width so 8 x 12 is 96 and since it is twice the slice of the smaller triangle, 96 divided by 2 is 48
3 0
3 years ago
Marcos height is 63 inches. Marcos height is 3 inches less than 1.5 times Jennifer’s height.
Juli2301 [7.4K]

Answer:

Marcos height is 63 inches. Marcos height is 3 inches less than 1.5 times Jennifer’s height.

What is Jennifer height in inches

A: 40in

B : 44in

C: 64.5in

D 58.5in

The answer is 44in(B)

Step-by-step explanation:

Hope this helps :D

6 0
3 years ago
Read 2 more answers
What’s the answer ????
butalik [34]

Answer:

A-1

Step-by-step explanation:

It perfectly represents the scenario.

4 0
3 years ago
Read 2 more answers
I need the answer <br> Please
Andre45 [30]
If each inch is 40 miles then 7(40) = 280 and add the 1/4 which is 10 so the answer is 290
4 0
3 years ago
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