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AlladinOne [14]
3 years ago
11

Please help me with this question

Mathematics
2 answers:
insens350 [35]3 years ago
6 0
D because its says 180°
daser333 [38]3 years ago
3 0
I'm guessing "D" but I might be wrong

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Write an equation of the line that passes through (1,2) and is parallel to the line y=-5x+4
valentinak56 [21]

Answer:

The equation of the Parallel line to the given line is  5x+y-7=0

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given that the line y = - 5x+4 and point (1,2)

The equation of the Parallel line to the given line is  ax+by+k=0

Given straight line  5x + y -4 =0

The equation of the Parallel line to the given line is  5x+y+k=0

This line passes through the point (1,2)

             5x+y+k=0

            5(1)+2+k=0

⇒              7+k=0

                   k =-7

<u>Final answer:-</u>

The equation of the Parallel line to the given line is  5x+y-7=0

7 0
3 years ago
Solve -1 4/5 x= 9. <br> A) 5 <br> B) 1/5 <br> C) -5 <br> D) -1/5
Darina [25.2K]

Answer:

C

Step-by-step explanation:

Express - 1 \frac{4}{5} as an improper fraction, that is

- \frac{9}{5} x = 9 ( multiply both sides by 5 )

- 9x = 45 ( divide both sides by - 9 )

x = - 5 → C

7 0
3 years ago
Cheese sticks that were previously priced at "10 for $1" are now "4 for $1". Find each percent change.
statuscvo [17]

original quantity : 10 for $1

new quantity: 4 for $1

now we have to find each percent change

10-4=6

6÷100=0.06

0.06=6%

the quantity went down 6%

6 0
4 years ago
Express your answer in scientific notation. 4.9 x 10^4 - 8200
Fiesta28 [93]

Answer:

4.0800*10^4

Step-by-step explanation:

4.9*10^4=49000

49000-8200=40800

since we can only have base numbers 1-9 in scientific notation, we need to move the decimal left 4 places:

4.0800*10^4

Hope this helps!

4 0
3 years ago
The side length of a 45-45-90 triangle are in the ratio 1:1:square2. What is tan 45 degrees?
Salsk061 [2.6K]

Answer:

B

Step-by-step explanation:

Took the test

3 0
3 years ago
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