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nexus9112 [7]
3 years ago
9

If y = 2x - 1 and (3,5) and (4,7) are part of the pattern then what is the y coordinate of (5._)?

Mathematics
1 answer:
Umnica [9.8K]3 years ago
3 0

Answer:

Step-by-step explanation:

y = 2x - 1

(5,?).....so we know that x = 5....so sub in 5 for x in ur original equation and find y

y = 2x - 1

y = 2(5) - 1

y = 10 - 1

y = 9.....so ur point is (5,9).....with y being 9

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Tom is trying to write 2 3/47 as a decimal
exis [7]
It's about 2.064 if you make the number an improper fraction then divide
5 0
3 years ago
PLS HELP THIS IS LAST OF MY POINTS AND RUNNING OUT OF TIME. ANSWER ONLY IF U KNOW MATH.
ipn [44]

Answer:

using y=mx +c

c=0

m=y2-y2/x2-x1

m=16-0/2-0

m=8

y=8x+0

y=8x

hope that helped

if yes give me brainliest and if no draw my attention by hitting the comment section

7 0
3 years ago
Read 2 more answers
To Rationalize the denominator of 5-√7/9-√14, you should multiply the expression by which fractions?
beks73 [17]

<u>Answer</u>

9+√14


<u>Explanation</u>

To Rationalize the denominator of 5-√7/9-√14.

To rationalize this we multiply both the denominator and denominator by the conjugate of the denominator.

The denominator is 9-√14 and its conjugate is (9+√14).

(5-√7)/(9-√14) = (5-√7)(9+√14)/(9-√14)(9+√14)

                        =  (5-√7)(9+√14)/(9²-14)

                       = (45 + 5√14 - 9√7 - √98)/(81-14)

                        =  (45 + 5√14 - 9√7 - √98)/67

                        = (45 + 5√14 - 9√7 - 7√2)67

This is the rationalized expression.  

The denominator is (9-√14) and its conjugate is (9+√14).

8 0
3 years ago
Read 2 more answers
Please help me and please answer both take as long as yo want
Colt1911 [192]

Answer:

Step-by-step explanation:

1) 9.5 x 0.14

= 19/2 x 7/50

= 133/100

= 1.33

9.5 - 1.33

= <u><em>8.17</em></u>

<u><em></em></u>

2) 60 - 46.20 / 60

= 13.80 / 60

= 0.23

= <u><em>23% decrease</em></u>

8 0
2 years ago
a car salesman purchased a car at an auction for $8,550. he will re-sell the car at a markup of $11,970. what is the percent inc
nlexa [21]

Answer:

40%

Step-by-step explanation:

You subtract 11,970-8,550 = 3,420 to isolate the increase.

Divide 3,420/8,550 = .4 to get the percent increase of the markup.

The answer is .4 or 40% (they are equivalent)

You can check my work by multiplying 8,550 * .4 = 3,420

This answer is the percent of 8,550 that it increased (40% of 8,550) so make sure that is what the question is asking. If it is then it's your answer.

7 0
3 years ago
Read 2 more answers
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