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3 years ago

Pa help po pls thank you

Mathematics

1 answer:

maxonik [38]3 years ago

4 0

Step-by-step explanation:

Let's say she starts on a Monday(first day).

She walked 10min on Monday

She then starts increasing the number of minutes each day by "2".

Tuesday --- 12min

Wednesday--- 14min

Thursday --- 16min

Friday --- 18min

Saturday --- 20min

Sunday ---- 22min

Total = 10 + 12 + 14 + 16 + 18 + 20 + 22

= 112minutes

She walks 112minutes in one week.

Since each 8 cans are consumed per day

...

200cans would be consumed in

200/8 = 25days.

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Answer this Please (10) points for this

Alexeev081 [22]

I wanna say it is 49 I answered on my calculator!

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3 years ago

Read 2 more answers

Find the $x$-intercept of the line $3x - 5y = 7.$

kotegsom [21]

The x-intercept of the line 3x - 5y = 7 is at point ( 7/3, 0 ).

<h3>What is the x-intercept of the line?</h3>

Given the function;

3x - 5y = 7
x-intercept ?

X-intercept occurs on the graph when y=0. Hence, to determine x-intercept, we substitute in 0 for y and solve for x.

3x - 5y = 7

3x - 5(0) = 7

3x - 0 = 7

3x = 7

x = 7/3

Hence, we have a point ( 7/3, 0 ).

The x-intercept of the line 3x - 5y = 7 is at point ( 7/3, 0 ).

Learn more about x and y-intercepts here: brainly.com/question/12791065

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1 year ago

3/2^x=12 solve for x Two step equations

cricket20 [7]

Here’s the Answer for this equation

3 0

3 years ago

Rewrite with only sin x and cos x.

Annette [7]

Option A

$\cos 3 x=\cos x-4 \cos x \sin ^{2} x$

<em><u>Solution:</u></em>

Given that we have to rewrite with only sin x and cos x

Given is cos 3x

$cos 3x = cos(x + 2x)$

We know that,

$\cos (a+b)=\cos a \cos b-\sin a \sin b$

Therefore,

$\cos (x+2 x)=\cos x \cos 2 x-\sin x \sin 2 x$ ---- eqn 1

We know that,

$\sin 2 x=2 \sin x \cos x$

$\cos 2 x=\cos ^{2} x-\sin ^{2} x$

Substituting these values in eqn 1

$\cos (x+2 x)=\cos x\left(\cos ^{2} x-\sin ^{2} x\right)-\sin x(2 \sin x \cos x)$ -------- eqn 2

We know that,

$\cos ^{2} x-\sin ^{2} x=1-2 \sin ^{2} x$

Applying this in above eqn 2, we get

$\cos (x+2 x)=\cos x\left(1-2 \sin ^{2} x\right)-\sin x(2 \sin x \cos x)$

$\begin{aligned}&\cos (x+2 x)=\cos x-2 \sin ^{2} x \cos x-2 \sin ^{2} x \cos x\\\\&\cos (x+2 x)=\cos x-4 \sin ^{2} x \cos x\end{aligned}$

$\cos (x+2 x)=\cos x-4 \cos x \sin ^{2} x$

Therefore,

$\cos 3 x=\cos x-4 \cos x \sin ^{2} x$

Option A is correct

7 0

3 years ago

Are -4 ( x - 6) and -4 • x - 4 • 6 equivalent

tekilochka [14]

Answer:

$no$

Step-by-step explanation:

Lets solve the first half.

$-4 ( x - 6) = -4x + 24$

Second one:

$-4 times x - 4 times 6 = -4x -24$

Now compare.....Not the same right??

So your answer is: $no$

Hope this helps :)

7 0

3 years ago

Pa help po pls thank you​

Pa help po pls thank you