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sladkih [1.3K]
3 years ago
10

Translation Guide: 5=A - 1 = L - 4 = Y - 5+8 3(-2)-3 -6=1 2=U 8+6 4-10 - 2 = H 15 = T 3(-2) 2(6) + 2 -9=S 20-18 12 = F 7 = R 3=

G -2 +9 19-5 10-2 8 = E 14 = N 1 + 2(2) 6+9 4(4)-4 Hidden Message: 2(3)+2 8-3 0 = M 5-6 3(2)-6​
Mathematics
1 answer:
Reil [10]3 years ago
8 0

Answer:

<h3><em>tutunfcfkss6</em><em>8</em><em>8</em><em>1</em><em>8</em><em><u>1</u></em><em><u>8</u></em><em><u>1</u></em><em><u>8</u></em><em><u>8</u></em><em><u>6</u></em><em><u>2</u></em><em><u>2</u></em><em><u>6</u></em><em><u>2</u></em><em><u>5</u></em><em><u>2</u></em></h3>
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4(x)+9(2x+1) when x= 2 5/8
ikadub [295]
The answer is 66.75

I would suggest multiplying 2 in (2x+1) by 2 5/8 first, then multipling 4 by 2 5/8. This will garner you 10 and 5.25. Distribute the 9 into the (). You'll then get 10.5+47.25+9
Add and you will get 66.75
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3 years ago
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Monica took a survey of her classmates' hair and eye color. The results are in the table below.
katrin2010 [14]

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3 years ago
A rocket is shot straight into the air at an initial velocity of 70 feet/second.
DanielleElmas [232]

Answer: 245 feet

Step-by-step explanation:

Given: The height of the rocket after t seconds is represented by the formula:

h=70t-5t^2

\dfrac{dh}{dt}=70-10t  [Differentiate both sides w.r.t. t]

Put

\dfrac{dh}{dt}=0\\\\\Rightarrow\ 70-10t=0\\\\\Rightarrow\ t=\dfrac{70}{10}=7

Also, \dfrac{d^2h}{dt^2}=-10 i.e. height is maximum at t=7.

Maximum height = h=70(7)-5(7)^2 = 490 - 245= 245\text{ feet}

Hence, the maximum height the rocket reaches = 245 feet.

3 0
3 years ago
What will be the unit digit of the square of 7992​
Alina [70]

Answer:

4

Step-by-step explanation:

Here you need not completely solve 7992 squared. You can just take the last digit which in this case is 2 and solve for the square of that digit. 2 x 2 = 4. Now if it was a bigger digit which would result in a two digit number when squared you would take the last digit of that number. But, we don't need to do that here since 2 squared is 4.

7 0
3 years ago
Which of the following phrases correctly describes the roots of the quadratic equation (2x-3)(x+2)=3?
aliya0001 [1]

Answer:

-2 is the answe

Step-by-step explanation:

I think your answer is C

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3 years ago
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