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victus00 [196]
3 years ago
15

Guys, please help! I'm reaallllyyyy desperate!

Mathematics
2 answers:
kvv77 [185]3 years ago
5 0

Answer:

So first, let's substiute the variables into numbers based on your problem. We get -(-1)-(5)^2+3(-1)(5). If we solve that expression, we will get -39. So, your answer is -39. Hope this helps and good luck

Step-by-step explanation:

Kisachek [45]3 years ago
5 0

Answer:

-12

Step-by-step explanation:

-a-b²+3ab

-(-1)-5²+3(-1×5)

+1-25-3+25

-24-3+15

-27+15

=-12

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2 years ago
Which ordered pair is a solution of the equation?<br> -3x – y = 6<br> Choose 1 answer:
Aleks [24]

Answer:

Step-by-step explanation:

I can not see your answers to choose but with this equation for 2 variables, you can replace the values of x and y and see if that is right or not.

For example, to know (-2,5) is a solution, you replace x= -2 and y= 5

into this equation: -3x -y = 6

and you have: -3*(-2) -5 =6

or 6-5 =6, and you find that is impossible, so (-2.5) is not a solution.

Hope you understand it

5 0
2 years ago
Please help me <br><br><br>i'll mark u as brainly if u give me the correct answers
jarptica [38.1K]

Answer:

49π cm²

Step-by-step explanation:

Diameter (d) = 14 cm

Radius (r) = d/2 = 14/2 = 7 cm

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= πr²

= π × (7)²

= 49π cm²

Hope it helps ⚜

8 0
2 years ago
Read 2 more answers
+12&lt;16<br> Please with steps :)
mixas84 [53]

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Step-by-step explanation:

6 0
2 years ago
Determine the value of the variable. 5 + 17 = J - 14
Nataly_w [17]
You would add 5 and 17 and that would equal 22
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So J would equal 36
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2 years ago
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