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Roman55 [17]
2 years ago
5

Determine which lines are parallel

Mathematics
2 answers:
pashok25 [27]2 years ago
7 0
It’s a and c I’m pretty sure
ella [17]2 years ago
3 0

Answer:

a and c i think.

Step-by-step explanation:

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Erica used friendly numbers to find 43-19. She added 1 to 19 and subtracted 1 from 43. What is Erica's error?
Naily [24]
I think that it is....
42-20=22
8 0
3 years ago
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PLEASE HELP!!! Write the expression as a single logarithm.<br> 3 log(4) + log(7)
anygoal [31]

Answer:

log (448)

Step-by-step explanation:

3 log(4) + log(7)

We know that a log b = log b^a

3 log(4) + log(7)

log 4^3 + log 7

log 64 + log 7

We know that log a + log b = log (a*b)

log (64 *7)

log (448)

3 0
3 years ago
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PLEASE HELP!! WHAT IS THE SLOPE OF THE GRAPH SHOWN BELOW.
Taya2010 [7]
Try this explanation:
the equation which corresponds to the given graph is y=-5x-2.
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answer: C.
7 0
3 years ago
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Please I need help with just 1 and 2 please!!!
tankabanditka [31]
1.)

10/15 ÷ 5
= 2/3

2.)

7/21 ÷ 7
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4 0
3 years ago
Please help me. Factor. 5x^+23x+26
Alexus [3.1K]
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</span></span></span></span> <span><span> 5x2-23x=-26</span> </span>Two solutions were found :<span><span>  x = 2 </span><span>  x = 13/5 = 2.600
</span></span>

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                     5*x^2-23*x-(-26)=0 

Step by step solution :Skip Ad
<span> Step  1  :</span><span>Equation at the end of step  1  :</span><span> (5x2 - 23x) - -26 = 0 </span><span> Step  2  :</span>Trying to factor by splitting the middle term

<span> 2.1 </span>    Factoring <span> 5x2-23x+26</span> 

The first term is, <span> <span>5x2</span> </span> its coefficient is <span> 5 </span>.
The middle term is, <span> -23x </span> its coefficient is <span> -23 </span>.
The last term, "the constant", is <span> +26 </span>

Step-1 : Multiply the coefficient of the first term by the constant <span>  5 • 26 = 130</span> 

Step-2 : Find two factors of  130  whose sum equals the coefficient of the middle term, which is  <span> -23 </span>.

<span><span>       -130    +    -1    =    -131 <span>
</span> </span> <span>       -65    +    -2    =    -67 <span>
</span> </span> <span>       -26    +    -5    =    -31 <span>
</span> </span> <span>       -13    +    -10    =    -23    That's it</span></span>
4 0
3 years ago
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