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denis-greek [22]
2 years ago
12

10a+3+10 Ixl Math Question

Mathematics
2 answers:
zzz [600]2 years ago
8 0

Answer:

10a+13 :)

Step-by-step explanation: pls mark brainliest

anygoal [31]2 years ago
6 0

Answer:

10a+13

Step-by-step explanation:

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Jonathan’s class has 30 boys. Of the students in his class, 60% are girls. How many girls are in Jonathan’s class?
raketka [301]

Answer:

45 girls

Step-by-step explanation:

  • Remark
  • There are only 2 choices for gender. So if the class is 60% girls, the there must be 100 - 60 = 40% for the boys.
  • But we are told that the boys are 30 in number.
  • Let x = the total number of students.

Solution

  • 40/100 * x = 30              Change the % to a decimal
  • 0.4 x = 30                       Divide both sides by 0.4
  • 0.4 x / 0.4 = 30 / 0.4      Do the division
  • x = 30/0.4
  • x = 75 students in total

Formula

Total of Boys and Girls = Number of boys + number of girls.

Givens

  • Total = 75
  • Number of boys = 30

Solution II

  • 75 = x + 30                 Subtract 30 from each side
  • 75 - 30 = x +30 - 30
  • 45 = x
  • There are 45 girls in the class.
5 0
3 years ago
<img src="https://tex.z-dn.net/?f=f%28x%29%20%3D%20%28x%20-%20%20%5Cfrac%7B2%7D%7B9%7D%20%29%28x%20%2B%20%20%5Cfrac%7B1%7D%7B2%7
Aleonysh [2.5K]
f(x) = (x -  \dfrac{2}{9} )(x +  \dfrac{1}{2} )

\text {When } f(x) = 0 :

(x -  \dfrac{2}{9} )(x +  \dfrac{1}{2} ) = 0

(x -  \dfrac{2}{9} ) = 0  \text { or }  (x +  \dfrac{1}{2} ) = 0

x =  \dfrac{2}{9}  \text { or } x =  -\dfrac{1}{2}

3 0
3 years ago
Iven that f(x) = 5x − 10 and g(x) = x + 3, solve for f(g(x)) when x = −1
irina1246 [14]
G(-1) = -1+3
= 2
F(2) = 5(2) - 10
= 0
5 0
3 years ago
Whats a unit price?​
diamong [38]

Answer:

The "Unit Price" (or "unit cost") tells you the cost per liter, per kilogram, per pound, etc, of what you want to buy.

Step-by-step explanation:

4 0
3 years ago
Plsplsplsplsplsplspls​
WINSTONCH [101]

i think it's 3/4 though i'm not entirely sure

7 0
3 years ago
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