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nikdorinn [45]
3 years ago
8

The value of all of the quarters and dimes in a

Mathematics
1 answer:
Inessa05 [86]3 years ago
5 0

Answer:

Step-by-step explanation:

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Fiona divided 3x2 + 5x – 3 by 3x +2. The expression represents the remainder over the divisor. x + 1 + What is the value of a?
grigory [225]
                    x + 1
         __________
3x+2 I 3x² +5x -3
           3x² +2x
           ----------
                    3x -3
                    3x+2
                    --------
                          -5 is the remainder 
                 
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3 years ago
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Need help solving this puzzle
Dovator [93]

Answer:

what exactly is it asking the angle like 90 degrees obtuse acute?

Step-by-step explanation:

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3 years ago
15 points please help!! :)<br> Find the value of x.
andriy [413]

Answer:

Question 4: -11

Question 5: -7

Step-by-step explanation:

Four

Every triangle has 180 degrees.

So all three angles add to 180

<em><u>Equation</u></em>

60 + 80 + x + 51 = 180

<em><u>Solution</u></em>

Combine the like terms on the left. This is the first time I've seen x be a negative value. Almost all of the time it isn't, which should make you wonder.

191 + x = 180    

Subtract 191 from both sides.

191 - 191 + x = 180 - 191

x = - 11

Five

If a triangle is a right triangle and one of the angles is 45, then so is the other one.

<em><u>Proof</u></em>

a + 45 + 90 = 180         Combine like terms on the left

a + 135 = 180                Subtract 135 on both sides.

a + 135-135=180-135    Combine the like terms

a = 45

<em><u>Statement</u></em>

That means 52 + x = 45 and here is another negative answer. Subtract 52 from both sides

52 - 52 + x = 45 - 52    Combine like terms.

x  = - 7

6 0
3 years ago
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Evaluate each expression please help(the crossed out ones are irrelevant)
olga nikolaevna [1]
9. 31 + 5 = 36
10. 16 - 4 = 12
12. 9
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14. 101 - 1 = 100

15. -539 ??? 
16. 15 ??
17. |-435| = 435
7 0
2 years ago
Brenda is selling cakes for a fundraiser. Customer can buy pecan cakes for $7.75 and chocolate cake for $9.50. Brenda sold 39 ca
Stolb23 [73]

Answer:

27 chocolate cake and 12 pecan cake

Step-by-step explanation:

7 0
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