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telo118 [61]
2 years ago
8

Subject:Mathematics ​

Mathematics
2 answers:
nikitadnepr [17]2 years ago
7 0
4 boys had a pulse of 83
Daniel [21]2 years ago
5 0

Answer: 4

Step-by-step explanation:

Each x represents 1 boy. There are 4 x’s in the column 83 so there are 4 boys.

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7b + 3 – 4b = 3 – 3(b + 4)
svlad2 [7]

Hello from MrBillDoesMath!

Answer:  b

Discussion:

7b + 3 - 4b = 3 - 3(b+4)  =>

7b + 3 - 4b = 3 - 3b -12 =>

(7b - 4b) + 3   = -3b - 9 =>

3b + 3 = -3b -9    =>      Add 9 to both sides

3b + 12 = -3b -9 + 9  =>

3b + 12 = -3b  =>         ( add 3b to both sides)

6b + 12 = 0 =>             (subtract 12 from both sides)

6b = -12 =>

b = -12/6 = -2


Thank you,

MrB


7 0
2 years ago
PLSSS HELLLPPPP
-Dominant- [34]

Answer:

provided an easy explanation to give answer below

Step-by-step explanation:

prime numbers are only divisible by 1 and themselves.

2 - 10 prime numbers are

2 3 5 and 7

full list up to 81

2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 and 79

7 0
2 years ago
Read 2 more answers
What value of x satisfies the equation 3x/7+5/7=4/7
Nana76 [90]
You can multiply everything by 7 to make things simpler.
3x + 5 = 4
3x = -1
x = -1/3
3 0
3 years ago
Jessica has 48 coins, some of them are nickels and some are dimes. How many of each does she have if she has $3.25 total? 69 POI
Mrrafil [7]

<u>Answer:</u>

Nickels = 44.6

Dimes = 3.4

<u>Step-by-step explanation:</u>

We know that Jessica has 48 coins of which some are nickels and some are dimes so we can write it as:

n = amount of nickels

d = amount of dimes

n+d=48 --- (1)

We are to find the number of nickels and dimes if their total worth is $3.25.

Since a dime is worth 10¢ and a nickel is 5¢, so it should be:

0.05n + 0.3d = 3.25 --- (2)

From (1):

n=48-d

Substituting this value of n in (2) to get:

0.05(48-d) + 0.3d = 3.25

2.4-0.05d+0.3d=3.25

2.4+0.25d=3.25

0.25d=0.85

d=3.4

Finding n by substituting the value of d:

n=48-d

n=48-3.4

n=44.6

6 0
3 years ago
Read 2 more answers
Function has the same set of potential rational roots as the function
igomit [66]
<span>According to the Rational Root Theorem, the function has the same set of potential rational roots as the function </span>
7 0
3 years ago
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