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3 years ago

Need help best answer gets brainliest

Mathematics

2 answers:

LuckyWell [14K]3 years ago

4 0

The answer to ur problem is 288 i’m pretty sure

grin007 [14]3 years ago

3 0

288 I’m pretty sure lol

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One week you tell 3 of your friends a secret. The next week, each of them tells 3 people the secret and the next week each of th

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81 people will know the secret by week 4

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3 years ago

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Convert 0.00001 to a power of 10. <br> 104 <br> 10−4 <br> 105 <br> 10−5

11111nata11111 [884]

Answer:

10^5

Step-by-step explanation:

the reason is because you move the decimal to the right 5 times, which is the positive direction.

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3 years ago

Earth is approximately 5x109 years old. For which of these ages could this be an approximation? Select all that apply.

Mariana [72]

Answer:

The answer is around 50,000,000,000 years so its E

Step-by-step explanation:

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2 years ago

Evaluate the line integral, where C is the given curve. (x + 6y) dx + x2 dy, C C consists of line segments from (0, 0) to (6, 1)

Dima020 [189]

Split $C$ into two component segments, $C_1$ and $C_2$ , parameterized by

$\mathbf r_1(t)=(1-t)(0,0)+t(6,1)=(6t,t)$

$\mathbf r_2(t)=(1-t)(6,1)+t(7,0)=(6+t,1-t)$

respectively, with $0\le t\le1$ , where $\mathbf r_i(t)=(x(t),y(t))$ .

We have

$\mathrm d\mathbf r_1=(6,1)\,\mathrm dt$

$\mathrm d\mathbf r_2=(1,-1)\,\mathrm dt$

where $\mathrm d\mathbf r_i=\left(\dfrac{\mathrm dx}{\mathrm dt},\dfrac{\mathrm dy}{\mathrm dt}\right)\,\mathrm dt$

so the line integral becomes

$\displaystyle\int_C(x+6y)\,\mathrm dx+x^2\,\mathrm dy=\left\{\int_{C_1}+\int_{C_2}\right\}(x+6y,x^2)\cdot(\mathrm dx,\mathrm dy)$

$=\displaystyle\int_0^1(6t+6t,(6t)^2)\cdot(6,1)\,\mathrm dt+\int_0^1((6+t)+6(1-t),(6+t)^2)\cdot(1,-1)\,\mathrm dt$

$=\displaystyle\int_0^1(35t^2+55t-24)\,\mathrm dt=\frac{91}6$

6 0

3 years ago

4k – 3 = -2k + 3 help me please lol

hoa [83]

Answer: k=1

Step-by-step explanation:

4k-3=-2k+3

take -3 and 3 and add them up on one side and change the sign

4k=-2k+3

4k=-2k+6

take the -2k and change the sign and add to 4k

4k=6

6k=6

now divide both sides with x

6k/6= 6/6

k= 1

6 0

3 years ago

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