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jeyben [28]
3 years ago
14

Anybody know this struggling all day with these math questions

Mathematics
1 answer:
Inga [223]3 years ago
5 0

Answer:

its (-1/2,-5/2),(2,5)

Step-by-step explanation:

Substitute 2x2−3 for y into y=3x−1then solve for x.

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Please help:
Fudgin [204]

Answer:

\angle 1 =47^o\\\angle 2 = 133^o\\\angle 4 = 133^o

Step-by-step explanation:

Notice that angles <1 and <3  are opposed by the vertex, which makes them of equal measure, therefore, <1 = 47 degrees.

Notice as well that angles <1 and <2 combine into a straight line, therefore, they are supplementary angles whose addition gives 180 degrees then we can find the value of angle <2 via:

\angle 1 + \angle 2 = 180^o\\47^o + \angle 2=180^o\\\angle 2 = 180^o-47^o\\\angle 2 =133^o

And finally, angle <4 is opposite through the vertex to angle <2, and therefore they must have the same measure. So, <4 = 133 degrees.

5 0
2 years ago
Identify each coefficient <br> 1. 8x___
masha68 [24]
8 would be the coefficient :)
5 0
2 years ago
Find the missing angle measures.<br> What is m∠2?<br> a 40<br> b 60<br> c 50<br> d 100
erica [24]
The Answer is C.50
Sixty
6 0
2 years ago
Read 2 more answers
800 grams is how many pounds
VashaNatasha [74]
2.2 lb is equivalent to 1 kg.  Therefore,

 800 grams      1 kg           2.2 lb
---------------- * ----------- * ------------ = 1.76 lb (answer)
          1           1000 g         1 kg
5 0
3 years ago
Adding mixed numbers. Can someone help me correct my answer?
Olin [163]

Answer:

27 13/60

Step-by-step explanation:

What you have tried to do is not an impossible way to do it. What you could do is set your fractions and whole numbers like this.

( 7 + 1/10) * (3 + 5/6) I don't know if you know what FOIL is, but that is the way to proceed.

  • First: (meaning the first in each factor ).   3 * 7 =                                    21
  • Outside: (meaning the two terms near outside the brackets) 7 * 5/6 = 5 5/6
  • Inside: The two terms closest to the * sign      1 / 10  *3 =                         3/10
  • Last: The two end terms    (1/10 * 5/6 = 5/60                                              5/60

Now you can add. 21 + 5 is the whole number amount = 26

Add the fractions

  • 5/6 + 3/10 + 5/60 The lowest common multiple is 60
  • 50/60 + 18/60 +5/60 = 73 / 60 = 1 and 13/60

Add that to 26 and you get 27 13/60

3 0
3 years ago
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