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jasenka [17]
2 years ago
9

I need help with everything please tell me how to show work and the answer

Mathematics
2 answers:
gtnhenbr [62]2 years ago
7 0
This answer is correct above
polet [3.4K]2 years ago
5 0
All the answers attracted in the photo with working

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Can someone help me with this question?
Lina20 [59]

Answer:1/3

Step-by-step explanation:

gradient equals

\frac{Y2-Y1}{X2-X1}

=\frac{5-3}{10-4}

=\frac{2}{6}

=\frac{1}{3}

6 0
3 years ago
7b ÷ 12 = 4.2                  What is b?
saw5 [17]
\frac{7b }{12} = 4.2 \ \ /*12 \\ \\7b=4.2*12\\ \\7b= 50.4 \ \ \/:7\\ \\\frac{7}{7} \ b= \frac{50.4 }{7}\\ \\b= 7.2


5 0
3 years ago
Read 2 more answers
An electrician charged a fee of $45 plus $60 per hour to come to Ed's house and make a repair. How many hours did the repair tak
viva [34]

Answer:

1 hour and 15 minutes

Step-by-step explanation:

$120 - $45 = $75

$75 ÷ $60 = 1.25 hours or and 1 hour and 15 minutes

5 0
3 years ago
14. In ΔABC, J is on AB, K is on BC, and JK║AC. Solve for x if JB = 5, AJ = 17, BK = x+4, and KC = 5x.
Zigmanuir [339]

The answer is x=8.6 units

3 0
4 years ago
Is 3x^2-5x^4+2x-12 a polynomial
ivanzaharov [21]

Yes it is a polynomial .

The degree of polynomial is 4 and there is no power as a fraction or negative integer

6 0
3 years ago
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