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3 years ago

Lets just comment lol

Mathematics

1 answer:

Oksanka [162]3 years ago

3 0

Answer:

What are your opinions on the Shrek movies?

Step-by-step explanation:

Which one is your favorite? and why.

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Adrian's mean score for four tests is 64%. He wants to increase his mean to 68% after the fifth test. What does he need to score

FrozenT [24]

Answer:

He has to score 84 %

Step-by-step explanation:

64 + 64 + 64 + 64 = 256

5*68 = 340

340 - 256 = 84

(64 + 64 + 64 + 64 + 84)/ 5 = 68

4 0

3 years ago

29. Shona earned $44.00, spent $23.00, loaned her brother $5.00,

alexandr402 [8]

Answer: $42.00

Step-by-step explanation:

44-23=21

21-5=16

16+26=42

5 0

3 years ago

Read 2 more answers

If 2tanx/1-tan^2x=1/sqrt 3, then x can equal

lara [203]

Answer:

15°,105°,195°,285°

Step-by-step explanation:

\frac{2 tan ~x}{1-tan^2 x} =\frac{1}{\sqrt{3} } \\tan ~2x=tan~30,tan~210,tan~ (30+360),tan~(210+360)\\2x=30,210,390,570\\x=15^\circ,105^\circ,195^\circ,285^\circ

4 0

4 years ago

What are the coordinates of the turning point for the function f(x) = (x - 1)3 - 3? A. (-1, -3)

Naddik [55]

ANSWER

The turning point is

$(1,-3).$

EXPLANATION

The function given to us is

$f(x) = (x - 1) ^{3} - 3$

At turning point,
$f '(x) = 0$

So we need to differentiate the given function and equate it to zero.

We using the chain rule of differentiation, we obtain,
$f '(x) =3 (x - 1) ^{2}$

We equate this to zero to obtain,

$3 (x - 1) ^{2} = 0$

We divide through by 3.

$(x - 1) ^{2} = 0$

We solve for x to get,

$x - 1 = 0$

$x = 1$

We substitute this x-value in to the function to obtain the corresponding y-value of the turning point.

$f(1) = (1- 1) ^{3} - 3$

$f(1) = 0 - 3$

$f(1) = - 3$

Therefore the turning point is

$(1,-3)$

C is the correct answer.

6 0

4 years ago

Read 2 more answers

A library ordered 956 new books. They ordered 12 times as many mystery books as romance. They ordered 52 more science fiction bo

Nataly_w [17]

Answer:

Romance books ordered = 65

Mystery books ordered = 775

Science Fiction book Ordered ≈ 116

Step-by-step explanation:

Total number of books ordered in the library = 956

Let us assume the number of romance books ordered = m

⇒Number of mystery books ordered = 12 x (Number of romance books)

= 12 x(m) = 12 m

Also,number of science books ordered = 52 +(Number of romance books)

= 52 + m

Now, according to the question:

Number of { romance books + mystery books + science books} = 956

or, m + ( 12 m ) + (52 + m) = 956

or, 14 m = 956 - 52

or, 14 m = 904

⇒ m = 904/ 14 = 64.6

So, the number of romance books ordered = 64.6 ≈ 65

Number of mystery books ordered = 12 m = 12 x 64.5 = 775

Number of science fiction book ordered = = 52 + m = 116.6 ≈ 116

7 0

3 years ago