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gregori [183]
3 years ago
14

5n + 10 for n= 3 I need help with this problem please

Mathematics
2 answers:
victus00 [196]3 years ago
8 0

Answer:

N=1

Step-by-step explanation:

Move all terms containing  n

to the left side of the equation.

− 3 n − 7 = − 10

Move all terms not containing  n

to the right side of the equation.

− 3 n=− 3

Divide each term by  −3

and simplify.

n = 1

Usimov [2.4K]3 years ago
5 0

Answer:

25

Step-by-step explanation:

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What two numbers multiply to get -56 and add to get -1?
sukhopar [10]
It is -8 and 7.
-8 x 7 = -56.
-8 + 7 = -1

Hope This Helps You!
Good Luck Studying :)
4 0
3 years ago
Please help I'am very lost on this one thank you all
LUCKY_DIMON [66]
Large rectangles = 2*3*6
medium rectangles = 2*2*6
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8 0
3 years ago
Each of six jars contains the same number of candies. Alice moves half of the candies from the first jar to the second jar. Then
tino4ka555 [31]

Answer:

The number of candies in the sixth jar is 42.

Step-by-step explanation:

Assume that there are <em>x</em> number of candies in each of the six jars.

⇒ After Alice moves half of the candies from the first jar to the second jar, the number of candies in the second jar is:

\text{Number of candies in the 2nd jar}=x+\fracx}{2}=\frac{3}{2}x

⇒ After Boris moves half of the candies from the second jar to the third jar, the number of candies in the third jar is:

\text{Number of candies in the 3rd jar}=x+\frac{3x}{4}=\frac{7}{4}x

⇒ After Clara moves half of the candies from the third jar to the fourth jar, the number of candies in the fourth jar is:

\text{Number of candies in the 4th jar}=x+\frac{7x}{4}=\frac{15}{8}x

⇒ After Dara moves half of the candies from the fourth jar to the fifth jar, the number of candies in the fifth jar is:

\text{Number of candies in the 5th jar}=x+\frac{15x}{16}=\frac{31}{16}x

⇒ After Ed moves half of the candies from the fifth jar to the sixth jar, the number of candies in the sixth jar is:

\text{Number of candies in the 6th jar}=x+\frac{31x}{32}=\frac{63}{32}x

Now, it is provided that at the end, 30 candies are in the fourth jar.

Compute the value of <em>x</em> as follows:

\text{Number of candies in the 4th jar}=40\\\\\frac{15}{8}x=40\\\\x=\frac{40\times 8}{15}\\\\x=\frac{64}{3}

Compute the number of candies in the sixth jar as follows:

\text{Number of candies in the 6th jar}=\frac{63}{32}x\\

                                                    =\frac{63}{32}\times\frac{64}{3}\\\\=21\times2\\\\=42

Thus, the number of candies in the sixth jar is 42.

4 0
3 years ago
Mr. K goes to the bank to withdraw some money. He requests that he only get $20 bills and $5 bills. Altogether, Mr. K got 30 bil
Vsevolod [243]

Answer:

10 $20 bills and 20 $5 bills

Step-by-step explanation:

5 0
3 years ago
4)
irakobra [83]
X = 42 - 19, so A - x = 23
7 0
3 years ago
Read 2 more answers
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