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lidiya [134]
3 years ago
12

Estimate the sum or difference...

Mathematics
1 answer:
Sholpan [36]3 years ago
7 0
Sosksl 35is40 is 40 times 0 is 3
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- 4y - 4+ (-3)<br> Combine like terms
rusak2 [61]

Answer:

-4y -7  

Step-by-step explanation:

- 4y - 4+ (-3) = -4y -7   (here -4 & -3 are like terms.)

5 0
3 years ago
Read 2 more answers
you start with 15 dollars and save 8 dollars each week. What algebraic expression model of the total amount you saved
Darya [45]
15 + 8(7)=x?
15 + 8(x)= x? 
no i think it will be the first one! 
15 + 8(7)= x
hope that helped?!!!
:)
8 0
3 years ago
What is the value of x?<br><br><br><br> Enter your answer in the box.
TiliK225 [7]
3x+50=6x-10
subtract 3x
50=3x-10
add 10
60=3x
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6 0
3 years ago
What is the equation of the line that passes through (0, -2) and has a slope of 0? NEED HELP ASAP!!
Molodets [167]
The equation is y= -2.
How? If you recall, a linear equation is y= mx+b. The m is the slope (growth) and b is the y-intercept ( where the line crosses the y-axis).

Now since there is no slope or m, the equation would look like this:
y= b or y= 0+b

Next, you want to input the coordinator points (0, -2) into the equation. reminder: (x, y) = x=0 y= -2

y= 0+ -2
y= -2

And there you go! The equation is y= -2. I hope I help you in solving this problem, if not message me, because I'll be glad to help you.
8 0
3 years ago
PLZ HELP WILL GIVE BRAINLIEST WORTH 10 PTS THX!!
antiseptic1488 [7]

Answer:

  64/49

Step-by-step explanation:

The applicable rules of exponents are ...

  (a^b)^c = a^(bc)

  (a^b)(a^c) = a^(b+c)

  a^-b = 1/a^b

  a^0 = 1

_____

Using these rules, we can simplify the given expression to ...

  \left(\dfrac{8\cdot 4\cdot 2}{8\cdot 7}\right)^2\times\left(\dfrac{8^0}{7^{-3}}\right)^3\times 7^{-9}\\\\=\dfrac{8^2}{7^2}\times(8^{0\cdot 3}\cdot 7^{3\cdot 3})\times 7^{-9}\\\\=\dfrac{64}{49}\times(8^07^{9-9})=\boxed{\dfrac{64}{49}}

6 0
3 years ago
Read 2 more answers
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