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qaws [65]
3 years ago
6

Simplify the expression, write in expanded form and exponential form.

Mathematics
1 answer:
Xelga [282]3 years ago
4 0

Answer:

225 x a^4

Step-by-step explanation:

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9. Write the equation of the line that is parallel to y = 2r + 4 and passes through the point (-4, -1).
Anna [14]

y=2r+4

-1=2(-4)+c

-1= -8+c

c=7

y=2r+7

hope this helps!

8 0
2 years ago
The sum of two numbers is 24. The difference is 15. What are the two numbers?
tatiyna
The numbers are "x" and "y",
we suggest this system of equations.
x+y=24
x-y=15
solve by reduction method.
x+y=24
x-y=15
-----------------
2x=39      ⇒x=39/2=19.5

  x+y=24
-(x-y=15)
-------------------
   2y=9    ⇒y=9/2=4.5

The numbers are 19.5 and 4.5

To check
19.5+4.5=24
19.5-4.5=15
3 0
3 years ago
An electrician must use 15 miles of electrical cable between electric poles. How many yards of cable will be used?
Dmitry [639]

Answer:

The 3rd option or 39,600 would be the correct answer.

Step-by-step explanation:

Hope this helps:)

7 0
2 years ago
Plz show work ☺ and plz explain
dolphi86 [110]
You HAVE to use Pemdas.
2[3(4^2+1)]-2^3
2(3(16+1))-2^3
2(3(17))-2^3
2*51-2^3
102-8
94.






Explanation: you use Pemdas P-parenthesis
                                                E-exponents
                                                M-multiplication
                                                D-division
                                                A-addition 
                                                S-subtraction
3 0
3 years ago
Read 2 more answers
In the right triangle shown, m<br> How long is YZ ?
Elis [28]
Can i see a picture of the triangle/ angle ?
7 0
2 years ago
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