2 years ago

There are 4 consecutive integers that have a sum of 18. What is the value of the least integer?

Mathematics

1 answer:

EleoNora [17]2 years ago

4 0

3,4,5,6

The lowest integer is 3

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Scott needs to mail a USB drive to a friend. He uses 41-cent stamps and 8-cent stamps to pay $1.87 in postage. How many of each

Brrunno [24]

Answer:

4 41cent stamps would be $1.64/ 3- 8 cent stamps would be 23 cents/ $1.64 + 23= $1.87

Step-by-step explanation:

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2 years ago

What is (f *g)(x)?<br> f(x) = x^4 - 9<br> g(x)= x^3 +9<br><br> (f *g)(x) = ??

dybincka [34]

Use F.O.I.L

X^7+9x^4-9x^3-81

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3 years ago

Please help i beg i never get these right

Anuta_ua [19.1K]

Answer:

$\sin(105) = \frac{\sqrt 2 + \sqrt 6}{4}$

Step-by-step explanation:

Given

$\sin(105^o)$

Required

Solve

Using sine rule, we have:

$\sin(A + B) = \sin(A)\cos(B) + \sin(B)\cos(A)$

This gives:

$\sin(105^o) = \sin(60 + 45)$

So, we have:

$\sin(60 + 45) = \sin(60)\cos(45) + \sin(45)\cos(60)$

In radical forms, we have:

$\sin(60 + 45) = \frac{\sqrt 3}{2} * \frac{\sqrt 2}{2} + \frac{\sqrt 2}{2} * \frac{1}{2}$

$\sin(60 + 45) = \frac{\sqrt 6}{4} + \frac{\sqrt 2}{4}$

Take LCM

$\sin(60 + 45) = \frac{\sqrt 6 + \sqrt 2}{4}$

Rewrite as:

$\sin(60 + 45) = \frac{\sqrt 2 + \sqrt 6}{4}$

Hence:

$\sin(105) = \frac{\sqrt 2 + \sqrt 6}{4}$

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2 years ago

What's 6 to the power of 900?

zheka24 [161]

Answer:

5400

Step-by-step explanation:

6x900 =5400 this is the correct answer

4 0

3 years ago

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The digit 4 in 49,308 has a value blank times as much as the 4 in 4,061

Step2247 [10]

Digit 4 in 49,308 is ten thousands and the 4in 4061 is thousands

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3 years ago

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