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erastova [34]
3 years ago
9

Which of the following is x=-5 a solution ?

Mathematics
2 answers:
Katarina [22]3 years ago
8 0

Answer:

C and D

Step-by-step explanation:

Plug X in and see which equations/expressions are true

krok68 [10]3 years ago
8 0
The correct answer is C and D
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Mrs. Cristobal drives ⅔ mile in ⅕ hour. How many miles can she drive in 1 hour?
Arada [10]

Answer:

10/3

Step-by-step explanation:

Multiply 2/3 by 5 because 1/5*5=1 hr

2/3*5=10/3

4 0
3 years ago
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There are 5 marbles in a bag: 4 are blue and 1 is red. What is the probability that a blue marble gets picked?
charle [14.2K]

Answer:

the answer is 80%

Step-by-step explanation:

4/5 = 80%

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3 years ago
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A student has 10 coins in her pocket that have a value of $0.85. The coins are either
il63 [147K]

Answer:

\left\{\begin{matrix}x+y=10\\ 0.05x+0.10y=0.85\end{matrix}\right.

Step-by-step explanation:

<u>System of Equations</u>

Let's call:

x = number of nickels in the student's pocket

y = number of dimes in the student's pocket

Each nickel has a value of $0.05, so x nickels have a value of 0.05x

Each dime has a value of $0.10, so y dimes have a value of 0.10y

The student has a total of 10 coins, thus:

x+y=10

The total value of the coins is $0.85, thus

0.05x+0.10y=0.85

The system of linear equations that represents this scenario is:

\left\{\begin{matrix}x+y=10\\ 0.05x+0.10y=0.85\end{matrix}\right.

5 0
3 years ago
Which of the following statements is not true?
Lady bird [3.3K]
Statement: Your question is well elaborate and has all needed data.
6 0
3 years ago
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if a rental car agency charges $17 per day plus 10 cents per mile to rent a certain car.Another agency charges $21 per day plus
SashulF [63]
17+(10X)= 21+(5x) is the equation
17 +(10x1)= 21+(5x1)
17+10=21+5
27=27
So your answer is it takes 1 mile per day
Hope its right lol
7 0
3 years ago
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