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lesya [120]
3 years ago
11

Please help me, i don't understand this at all :(

Mathematics
1 answer:
Misha Larkins [42]3 years ago
5 0
I don’t know how much this will help as i don’t know the specific methods used in your lesson, but what i personally do is break down the number as much as i can.

32 can be simplified to 2^5. this is the fourth root, so you take out four of the 2’s to the outside by the 6. therefore it becomes 6(2) which = 12 along with the other 2 and an x left inside the fourth root “house”. btw i would write it out but brainly doesn’t let me attach pictures for some reason, and i don’t have the symbols on my keyboard. ):

we now simplify 512 in the second term. 512 is the same thing as 32 times 16, which is 2^9. we take out four of the 2’s, leaving us with 2^5. we can take four more 2’s out, leaving us with a 2 and an x in the inside of the fourth root “house”. on the outside we have 2 2’s, leaving us with a product of 4.

third term. 16 can be simplified to 4^2, or 2^4. we can take all four of them out since it’s the fourth root. there are also four x’s, so we take them out, leaving us with 2x. there isn’t anything left in the “house”.

now, we go from left to right. to better illustrate it, i will use “{ }” as the fourth root.

12 {2x} - 4 {2x} + 2x

8 {2x} + 2x . that’s as simplified as it can get. hopefully this helps! ):

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Pls answer this with work. its in the picture
defon

Answer:

180 pages

Step-by-step explanation:

First you find the slope of the line assuming this is linear. it's just the Rise over Run. so go up 4 over 2 which means the slope is going up two. so do 90 times 2 which is 180. That means Jeff read 180 pages.

3 0
3 years ago
For the following questions, use the system of equations. 3x + 2y = 14, 2x - 4y = 4. A. Solve the system of equations using eith
Irina18 [472]

Answer:

not the matrix equation but this works

x=4, y=1

Step-by-step explanation:

2x-4y=4             (original equation)

2(3x+2y=14)       (do this so that you can subtract or add- it's still equal)

2x-4y=4             (original equation)

6x+4y=28          (after multiplying)

8x=32                (add 2 equations together to cancel out 4y, can also subtract)

x=4                     (division)

2(4)-4y=4           (substitution)

8-4y=4               (multiplication)

4y=4                  (addition/subtraction)

y=1                     (division)

8 0
4 years ago
The slope of the normal curve y=3x^2-5x is at the point (0,0)
Rufina [12.5K]

Answer:

\frac{1}{5}

Step-by-step explanation:

Consider the curve y=3x^2-5x

Differentiate with respect to x

\frac{dy}{dx} =3(2x)-5=6x-5

( Use \frac{d}{dx}(x^n)=nx^{n-1} )

Slope of normal curve is given by \frac{-1}{\frac{dy}{dx} }

Slope of normal curve = \frac{-1}{6x-5}

To find slope of normal curve at point (0,0) ,put x=0 in \frac{-1}{6x-5}

Slope of normal curve at point (0,0) = \frac{-1}{6(0)-5} =\frac{-1}{-5}=\frac{1}{5}

8 0
3 years ago
Multiply (Apex)
Delvig [45]
Answer: B

6x^4+5x^3-9x^2+2x
5 0
3 years ago
What’s the equation of the midline?
ycow [4]

Answer:

Midline: y = 0

Equation: y = -cos(2x)

5 0
3 years ago
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