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Harlamova29_29 [7]
3 years ago
6

What is9.0298392*38392.93939

Mathematics
1 answer:
mojhsa [17]3 years ago
8 0
The answer is 346,682.06911
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At the first school , there were 5 Sixth graders for every 2 seventh graders. At the second school dance, there were 7 sixth gra
rjkz [21]

Answer:

No

Step-by-step explanation:

The ratio of the first school is 5/2. The ratio of the second school is 7/8.

3 0
2 years ago
If you have x, and your equation is 5/8x + 1/5x=99, what is x
noname [10]

\frac{5}{8x}  +  \frac{1}{5x}  = 99 \\  \\  \frac{33}{40x}  = 99  \\ \\ 40x = 33 \times 99 \\  \\ x = 81.675
8 0
3 years ago
8-6x>-18 solve for x
EleoNora [17]

Answer:

x=5

Step-by-step explanation:

Well all i did was guess a random number from 1-10 so I could see what numbers make the equation bigger than -18 and the fist thing I guessed was 5 so this is what I did

8-6*5=-22

And them I said let me see if any multiples equal -18 so I went to for and did this

8-6*4=-16

That's when I guessed the answer if i looked at the sign correctly!

8 0
3 years ago
Look Below and then answer
lana [24]

Answer:

Julia found 5 coins

Step-by-step explanation:

lets take the # of coins julia found as "x"

alice found6

davi found 5

lucas found 6

and carter found 8

remember how to calculate mean( add all numbers and divide by the# of numbers)

so

6+5+6+8+x/5=6 (since there are "5" terms)

so

25+x/5=6

treat this like a linear equation so multiply by 5 on both sides

25+x/5(5)=6(5)

25+x=30

subtract "25 on both sides"

25-25+x=30-25

x=5

hope this helps

5 0
3 years ago
Find the equation of the line tangent to y = -3x2 + x - 5 at x = -1
SVEN [57.7K]

\boxed{y+9=7(x+1)}

<h2>Explanation:</h2>

The Point-Slope form of the equation of a line is given by:

y-y_{0}=m(x-x_{0}) \\ \\ \\ Where: \\ \\ m:Slope \\ \\ (x_{0},y_{0}):A \ point

To find the equation of the line tangent to y=-3x^2+x-5 \ at \ x=-1, we need to take the derivative:

\frac{dy}{dx}=-6x+ 1

The slope of the line tangent to y=-3x^2+x-5 at x=-1 can be found evaluationg x=1 in the derivative:

\frac{dy}{dx}\Bigr\rvert_{x=-1}=-6x+ 1 \\ \\ \\ \frac{dy}{dx}\Bigr\rvert_{x=-1}=-6(-1)+ 1 \\ \\ \\  m=\frac{dy}{dx}\Bigr\rvert_{x=-1}=7

Finding the point:

x_{0}=-1 \\ \\ Then: \\ \\ y_{0}=-3(-1)^2-1-5=-9 \\ \\ (x_{0},y_{0})=(-1,-9)

Finally, our line is:

y-(-9)=7(x-(-1)) \\ \\ \boxed{y+9=7(x+1)}

The representation of this problem is shown below.

<h2>Learn more:</h2>

Derivative of functions: brainly.com/question/2142425

#LearnWithBrainly

6 0
3 years ago
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