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Leokris [45]
3 years ago
14

Betty correctly determined that the ordered pair (–3, 5) is a solution to the system of linear equations 6 x + 5 y = 7 and x + 4

y = 17. Based on this information, which statement is correct?
Mathematics
2 answers:
viva [34]3 years ago
7 0

Answer:

(-3, 5) satisfies both the equation 6x + 5y = 7 and the equation x + 4y = 17.

andriy [413]3 years ago
5 0

Answer:

D

Step-by-step explanation:

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Solve the inequality 2n – 1 < 39​
MatroZZZ [7]

Answer:

n < 20​

Step-by-step explanation:

2n – 1 < 39​

Add 1 to each side

2n – 1+1 < 39+1

2n < 40

Divide each side by 2

2n/2 < 40/2

n < 20​

3 0
3 years ago
The sum of two numbers is 59 and the difference is 15 . what are the numbers?
UkoKoshka [18]
Write a system of equation based on the number
For an instance, the two numbers are a and b.
"The sum of two numbers is 59" can be written as follows.
⇒ a + b = 59  <em>(first equation)
</em>"The difference is 15" can be written as follows.
⇒ a - b = 15  <em>(second equation)</em>

Solve the system of equation by elimination/substitution method.
First, eliminate b to find the value of a.
a + b = 59
a -  b = 15
--------------- + (add)
2a     = 74
  a     = 74/2
  a     = 37

Second, substitute 37 as a in one of the equations
a + b = 59
37 + b = 59
b = 59 - 37
b = 22

The numbers are 37 and 22
5 0
3 years ago
PLEASE HELP ME????: Divide. Write your answer as a decimal. 0.408 ÷ 0.51=
Damm [24]

Answer:

0.8 i think

Step-by-step explanation:

8 0
3 years ago
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Can someone help me on this
fiasKO [112]

I know that i had it on a test its -2.11 Hope you ace it!

7 0
3 years ago
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A softball player made a hit 34 times in the last 170 times at bat . Find the probability that the softball player will get a hi
Gennadij [26K]

Answer:

1/5

Step-by-step explanation:

34/170 = 1/5

p(hit) = 1/5

6 0
3 years ago
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