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cupoosta [38]
3 years ago
10

Someone help me please thank you

Mathematics
2 answers:
UkoKoshka [18]3 years ago
6 0
It will take him 8 hours
Lerok [7]3 years ago
4 0
72/2 = 36 pages per hour

288/36=32/4=8
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F= [-2 0] [0 8] [2 0] C= [12 0 3/2] [1 -6 7 ] what is fc?
Crank
Add them up i think i never tried this
7 0
3 years ago
Find the product. <br> (2xyz) (-4x2yz)<br><br> PLEASE HELP!!! ASAP!!!
melamori03 [73]

Answer:

-16x^{2} y^{2}z^{2}

Step-by-step explanation:

Let's calculate the answer to the second parenthesis. Just multiply throughout to get -8xyz. Then, multiply the first parenthesis by the second. Multiply the constants (-8 and 2) first to get -16, multiply the x's together to get x^2, the y's together to get y^2, and the z's together to get z^2. Put it all together to get -16x^{2} y^{2}z^{2}.

6 0
3 years ago
Read 2 more answers
Solve the system by substitution.<br><br> y=−3x-2<br> -7x+3y=10 <br><br> PLEASE HELP
enyata [817]
Y=-3x-2
subsitute -3x-2 for y
-7x+3(-3x-2)=10
distribute
a(b+c)=ab+ac
3(-3x-2)=-9x-6

-7x-9x-6=10
add like terms
-16x-6=10
add 6
-16x=16
multiply -1
16x=-16
divide 16
x=-1

subsitute
y=-3x-2
y=-3(-1)-2
y=3-2
y=1



x=-1
y=1

(x,y)
(-1,1)
7 0
3 years ago
I BET NO ONE KNOWS THIS y varies jointly as x and z. y=20 when x=2 and z=5 . Find y when x=3 and z=6
Greeley [361]

Hello!

If y varies jointly with x and z, it'll mean that x and z are being multiplied by a factor "k", to equal y.

To give you a visual, this is what I mean.

y=kxz

That means we'll want to find k with the first point we're given: (2,20,5)

20=k(2)(5)

20=10k

k=2

Which means our equation is:

y=2xz

Now, let's plug in the x and z from the other point to find y.

y=2(3)(6)

y=36

Hope this helps!

6 0
3 years ago
NJ Transit raises its train fees. Snooki wants to visit her parents which used to cost $28 but they increased the fares by 15%.
Romashka [77]

Answer: 32.20$ Train Fee

Step-by-step explanation:

15% of 28 is 4.20... 4.20 will be added to the current Train Fee

   28.00$

<u>  +   4.20$</u>

    32.20$

Final result: The Train Fee will be 32.20$

4 0
2 years ago
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