3 years ago

4% more than 150 is, can yall explain me each step

Mathematics

1 answer:

Vanyuwa [196]3 years ago

3 0

Answer:

156

Step-by-step explanation:

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Use the trigonometric subtraction formula for sine to verify this identity: sin((π / 2) – x) = cos x

KIM [24]

Answer:

Step-by-step explanation:

$sin (\frac{\pi}{2} - x) = cos x \\\\ sin (a - b) = sin a.cos b - sin b.cos a \\\\ sin (\frac{\pi}{2} - x) = sin \frac{\pi}{2}.cos x - sin x.cos \frac{\pi}{2} \\\\ sin \frac{\pi}{2} = 1; cos \frac{\pi}{2} = 0 \\\\ sin (\frac{\pi}{2} - x) = 1.cos x - sin x.0 \\\\ sin (\frac{\pi}{2} - x) = cos x$

I hope I helped you.

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3 years ago

Frick and frack are surveying the times it takes students to arrive at school from home. There are 2 main groups of commuters wh

noname [10]

Answer:

900

Step-by-step explanation:

divide 4

6 0

3 years ago

Solve the equation, justify each step with an algebraic property -(x - 6) = 4

lesantik [10]

Answer:

x=2

Step-by-step explanation:

Step 1_ −(x−6)=4

−x+6=4(Distribute)

−x+6=4

Step 2_ −x+6−6=4−6

−x=−2

Step 3_ −x equals -2

−1 -1

x=2

Hope this helps :)

3 0

3 years ago

Given that the expression x³_ ax² + bx+c leaves the same remainder when divided by x + 1 or x-2, find 'a' in terms of 'b'.

goblinko [34]

Answer:

Hi,

a=b+3

Step-by-step explanation:

$\begin{array}{c||c|c|c|c}&x^3&x^2&x&1\\---&---&---&---&---\\&1&-a&b&c\\x=-1&&-1&a+1&-a-b-1\\---&---&---&---&---\\&1&-a-1&a+b+1&c-a-b-1\\\end{array}$

$\begin{array}{c||c|c|c|c}&x^3&x^2&x&1\\---&---&---&---&---\\&1&-a&b&c\\x=2&&2&4-2a&2b+8-4a\\---&---&---&---&---\\&1&2-a&b+4-2a&c+2b+8-4a\\\end{array}$

Thus:

c+2b+8-4a=c-a-b-1

3b-3a=-9

a=b+3

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2 years ago

18 times what is 504

schepotkina [342]

Answer:

Step-by-step explanation:

3 0

3 years ago

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