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cricket20 [7]
1 year ago
6

Use the substitution method to solve the system of equations. Choose the correct ordered pair.

Mathematics
1 answer:
lakkis [162]1 year ago
3 0

Answer:

x=3

y=1

Step-by-step explanation:

C

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145 300 610 1230
Vlad1618 [11]
Multiplying by 2 and then adding 10 145*2=290+10=300
300*2=600+10=610
610*2=1220 + 10=1230
x=2 y=10
x+y=12
5 0
4 years ago
What is the slope of the line that passes through the pair of points (1/3, -1) and ( -2, 9/2)​
UkoKoshka [18]

Answer:

\boxed{m = - \frac{33}{14} }

.

Step-by-step explanation:

Use the form below

\boxed{\boxed{m = \frac{y_2 - y_1}{x_2 - x_1} }}

Where

  • m is a slope
  • (x_1,~y_1) and (x_2,~y_2) are the point of the line

.

So, the slope is

(\frac{1}{3} ,~ -1) \to x_1 = \frac{1}{3} ~and~y_1 = -1

(-2,~ \frac{9}{2} ) \to x_2 = -2~and~y_2 = \frac{9}{2}

.

m = \frac{\frac{9}{2} -(-1)}{-2-\frac{1}{3} }

m = \frac{\frac{11}{2} }{\frac{-7}{3} }

m = \frac{11}{2} \div (-\frac{7}{3} )

m = \frac{11}{2} \times (-\frac{3}{7} )

m = - \frac{33}{14}

.

Happy to help:)

7 0
4 years ago
Read 2 more answers
Rosario answered 27 out of the 30 questions on Mr. li's science test correctly. How is Rosario's grade represented as
NeX [460]

Answer: The answer to this question is : 90%

Step-by-step explanation:  To find the percentage of a fraction, you divide the numerator by the denominator. So, in this case, you divided 27 by 30 and you'd get 0.9 --> 90%.

5 0
3 years ago
The Price of kiwis can be deterrent by the equation P=1.15n where p is the price and n is the number of kiwis. What is the const
Travka [436]

Answer:

1.15

Step-by-step explanation:

P/n = 1.15

Price is 1.15 per kiwi

7 0
4 years ago
What is the least common denominator of 24/25,49/50,37/100
schepotkina [342]
100 is the smallest number they will all go into, so 100
8 0
3 years ago
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