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Mashcka [7]
3 years ago
5

Jong earnee $100, and saved $30. What decimal part did he save

Mathematics
2 answers:
Readme [11.4K]3 years ago
5 0

Answer:

Hi, this question is a little unclear.  If you want to know what percentage he saved, it would be 30%, and to convert that percentage into a decimal would be a decimal of 0.30

andrew-mc [135]3 years ago
3 0

Answer:

$70.00

Step-by-step explanation:

Add .00 to the end of each amount.

Make sure that the decimal points are lined up like a straight line.

Subtract 100.00 - 30.00

You should receive 70.00 and don't forget the dollar sign at the end so the answer is $70.00.

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Can you please explain how the answer is 24 for this Problem 60÷5(7-5)
irakobra [83]

do order of operations:

60 / 5*(7-5)=

 do parenthesis first: 7-5=2

60 / 5*2 =

 now do division: 60/5 =12

12*2 =

now multiply: 12 *2 = 24

answer is 24

8 0
3 years ago
If the domain of the function f(x) = x - 5 is {1, 3, 4, 6} what is the range? F
Margarita [4]

Answer:

-4, -2, -1, 1

Step-by-step explanation:

If the domain is given we use the equation to determine the range but usually the range would be everything in this equation.

7 0
3 years ago
-16=d+21 i need help​
Novosadov [1.4K]

Answer:

d= -37

Step-by-step explanation:

subtract 21 on both sides which would be -16-21 and that would come to be d=-37

4 0
3 years ago
La edad de juan es un año menos que la tercera parte de la edad de la madre. si dentro de 5 años, la edad de la madre sera 10 añ
koban [17]

Usando un sistema de ecuaciones, se encuentra que Juan tiene 12 años e su madre tiene 39 años.

<h3>¿Qué es un sistema de ecuaciones?</h3>

Un sistema de ecuaciones es cuando dos o más variables están relacionadas y las ecuaciones se construyen para encontrar los valores de cada variable.

En este problema, las variables son:

  • Variable x: Edad de Juan.
  • Variable y: Edad de su madre.

La edad de juan es un año menos que la tercera parte de la edad de la madre, por eso:

x = \frac{y}{3} - 1

Dentro de 5 años, la edad de la madre sera 10 años mas que el doble de juan, por eso:

y + 5 = 2(x + 5) + 10

y + 5 = 2x + 20

Como x = \frac{y}{3} - 1:

y + 5 = \frac{2y}{3} + 18

3y + 15 = 2y + 54

y = 39

x = \frac{y}{3} - 1 = \frac{39}{3} - 1 = 13 - 1 = 12

Juan tiene 12 años e su madre tiene 39 años.

Puede-se aprender más a cerca de sistema de ecuaciones en brainly.com/question/20178040

#SPJ1

6 0
2 years ago
you sell t-shirts for a fundraiser it cost $112 to have the t shirts made you make $98 and self what is your profit
777dan777 [17]
You subrtact.

112-98= 14

You earned $14 for profit.
7 0
3 years ago
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