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4 years ago

Estimate 200 then find the difference

1 answer:

5 0

Well if u want to estimate 200 it 200 and if u want the different it is 0 because 200-200 is zero
because i don't what u want me to subtract

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Given f (x) = 2x² +1evaluate f (-1).

soldi70 [24.7K]

Answer:

Step-by-step explanation:

f(x) = 2x^2 + 1

f(-1) means that wherever you see an x on the right hand side, you substitute -1.

f(-1) = 2(-1)^2 + 1 = 2 + 1 = 3

8 0

3 years ago

Read 2 more answers

If possible, complete the equation below that uses the law of cosines to find the remaining side of the triangle.

romanna [79]

Answer:

Option C.

a = 20.3

Step-by-step explanation:

Given:

m<A = 32°

a = ??

b = 16

c = 32

Required:

Find a

SOLUTION;

To find the missing side, a, of the triangle, apply the Law of Cosines, $a^2 = b^2 + c^2 - 2bcCosA$

Plug in the values into the equation:

$a^2 = 16^2 + 32^2 - 2(16)(32)Cos32$

$a^2 = 1,280 - 1,024*Cos32$

$a^2 = 1,280 - 868.40125$

$a^2 = 411.59875$

$a = \sqrt{411.59875}$

$a = 20.3$ (nearest tenth)

4 0

3 years ago

Kraig deposited money into a money market account. It has an interest of 12% and is compounded annually. Kraig thought 3% would

Klio2033 [76]

Answer:

If the amount is P, with the interest rate of 12%, the interest over the year is:

P*(1.12) - P = 0.12P

In this case the quarterly interest rate is:

0.12P/4 = 0.03P

With the same amount and 3% quarterly rate, the yearly interest would be:

P*(1.03)^4 - P = 0.1255P

The quarterly interest rate in this case is:

0.1255P/4 = 0.031375P

If the quarterly interest rate is r, it should be little less than 3% to yield a 12% yearly rate.

So Kraig is wrong.

7 0

3 years ago

The temperature today will be atleast 10F | on a graph and inequality

viva [34]

Answer:

Temperature => 10F

Step-by-step explanation:

Mark brainliest if this helped!

6 0

3 years ago

PLEASE HELP!!!

777dan777 [17]

Answer:

Q1. C = 3

Q2. B = 1

Q3. C = 8

Step-by-step explanation:

3 0

3 years ago