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babunello [35]
3 years ago
10

9 is added to a number and multiplied by 7. The result is 84.​

Mathematics
2 answers:
Wewaii [24]3 years ago
8 0

Answer:

the number is 3

Step-by-step explanation:

X= the number

7(x+9) = 84

7x+63 = 84

7x = 21

x=3

     Check:

    7(3+9) =84

      7 x12 = 84

       84=84

bearhunter [10]3 years ago
4 0

Answer:

<h2> 12 because 9+3 = 12 12 • 7 = 84</h2>

Step-by-step explanation:

<h2>Hopes this helps. Mark as brainlest plz!</h2>
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The baby nursery has 2 nurses for every 10 babies. What is the nurse to baby ratio?
Artist 52 [7]

Answer

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step by step explanation :

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you get

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8 0
3 years ago
Given a discriminat of 36 how many solutions with the quadratic function have?
alexira [117]

Answer:

2

Step-by-step explanation:

So!

If the d (discriminant)

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8 0
3 years ago
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Bogdan [553]

Answer:

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Step-by-step explanation:

This can also be written as

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Hope this helps!

6 0
2 years ago
Okay someone help me please what is ten times negative three ? ):
mr_godi [17]

Answer:

-30

Step-by-step explanation:

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10 x -3= -30

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5 0
3 years ago
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Consider a normal distribution curve where 90-th percentile is at 20 and the 25-th percentile is at 10. use this information to
ivann1987 [24]
The 25th percentile corresponds to z ≈ -0.67.
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The solution is
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3 years ago
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