3 years ago

The following frequency table shows the essay scores by students in Mr. Ji's class.

Mathematics

2 answers:

topjm [15]3 years ago

7 0

They would be 4 more points because it’s less then on their essay but okay yeah

erik [133]3 years ago

6 0

Answer:

Step-by-step explanation:

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If the angles are represented in degrees, find both angles: \cos(3x+13)=\sin(2x+42) cos(3x+13)=sin(2x+42)

Sphinxa [80]

Answer:

cos34°

sin56°

Step-by-step explanation:

Sin(2x+42)= sin90-(3x+13)

Sin(2x+42) = sin(90-13-3x)

Sin(2x+42) = sin(77-3x)

2x + 42 = 77-3x

5x. = 35

X = 7

If x = 7

cos(3x+13) = cos((3*7)+13)

cos(3x+13) = cos(21+13)

cos(3x+13)= cos34

And

sin(2x+42) = sin((2*7)+42)

sin(2x+42)= sin (14+42)

sin(2x+42) = sin56

4 0

3 years ago

18 minus 7 x = negative 20.5

alex41 [277]

Answer:

x=5.5

Step-by-step explanation:

7 0

3 years ago

What is 5x5x5x5x5x8?

erma4kov [3.2K]

Answer:

25,000

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

How do you solve this question?

Lady bird [3.3K]

Answer:

$\large \boxed{\sf \ \ \ 2x-ln(1-x) \ \ \ }$

Step-by-step explanation:

Hello,

for any real x different from 1

$\dfrac{3-2x}{1-x}=\dfrac{2-2x+1}{1-x}\\\\=\dfrac{2(1-x)+1}{1-x}\\\\=2\dfrac{1-x}{1-x}+\dfrac{1}{1-x}\\\\=2+\dfrac{1}{1-x}$

if f(x)=2x

f'(x)=2

if g(x)=-ln(1-x)

$g'(x)=\dfrac{-1*-1}{1-x}=\dfrac{1}{1-x}$

So antiderivative of

$\dfrac{3-2x}{1-x}=2+\dfrac{1}{1-x}$

2x-ln(1-x)

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

7 0

3 years ago

True or False: If circumference of a circle is 12*3.14, then its area is 36*3.14.

strojnjashka [21]

Answer: true

Step-by-step explanation:

8 0

4 years ago