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IgorC [24]
2 years ago
14

Can someone help me please !!

Mathematics
1 answer:
masya89 [10]2 years ago
7 0

Answer:

I think you answer is 85

Step-by-step explanation:

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marissa got an 85% on her math quiz. She had 34 questions correct. how many questions were on the quiz?
Sav [38]

Answer: 40 questions I think

Step-by-step explanation:

7 0
3 years ago
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Write three factors if algebraic term 5k
ExtremeBDS [4]
5, k, 5k................
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3 years ago
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The sum of Ali and Mel's age is 39. If Mel is 3 years younger than twice Ali's age, how old is Mel?
olga55 [171]

Answer:

Age of Mel is 25 years.

Step-by-step explanation:

It is given that,the sum of Ali and Mel's age is 39. If Mel is 3 years younger than twice Ali's age.

Let 'x' be the Ali's age  and 'y' be the Mel's age

<u>To find the value of x and y</u>

sum of Ali and Mel's age is 39

⇒ x + y = 39    ------(1)

  Mel is 3 years younger than twice Ali's age

⇒ y = 2x - 3   -------(2)

⇒  2x - y = 3  -----(3)

(1) + (3) ⇒  

 x + y = 39

2x - y = 3

----------------

3x   = 42

x = 42/3 = 14

y = 2x - 3 = 14*2 - 3  = 25

Therefore the age of Ali = 14

Age of Mel = 25

4 0
3 years ago
Dan has ¾ of a cake left over from his birthday party. His best friend Amy ate 1/7 of the leftover cake. How much of the cake do
Dafna1 [17]

Answer:

  • 9/14 of cake left

Step-by-step explanation:

<u>3/4 left and 1/7 of that eaten:</u>

  • 3/4 - 3/4(1/7) =
  • (3/4) (1 - 1/7) =
  • (3/4)(6/7) =
  • 18/28 =
  • 9/14

4 0
2 years ago
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In the sequence 400, 200, 150, 75, 25...... what number comes next
Scorpion4ik [409]

Answer:

The next term in the sequence = -175

Step-by-step explanation:

Here, the given sequence is : 400, 200, 150, 75, 25...

Now here, in the given sequence,

First Term - Second Term = 400 - 200 = 200

Second Term -   Third Term   =  200  - 150  = 50

Third term  - Fourth Term  = 150 - 75   = 75

Fourth term - Fifth term = 75 - 25 =  50

So, following this pattern,

Fifth Term - Sixth term = 200

Or, 25 - Sixth Term = 200

or, Sixth term  =  25 - 200  = - 175

Hence, the next term in the sequence = -175

4 0
3 years ago
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