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3 years ago

7

What is y=1x-3 in standard form

2 answers:

ollegr [7]3 years ago

8 0

-x+y=-3. This is the answer since standard form is Ax+By=C

krek1111 [17]3 years ago

5 0

u can write it as y-x=-3

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Jaclyn has 72 stickers she used 18 for a scrapbook then she gave 7 to her sister how many stickers does she left

deff fn [24]

72-18=54

54-7=47

Answer is: 47

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2 years ago

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Describe all possible locations for the graph of (x,y) if x=2

jarptica [38.1K]

There are infinite solutions to this , so and coordinate with than x value of 2 will lie on x=2

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2 years ago

19. Use Gauss-Jordan elimination to solve the following system of equations. 3x + 5y = 7 6x − y = −8

MrRa [10]

$\left[\begin{array}{cc}3&5\\6&-1\end{array}\right] \left[\begin{array}{c}x\\y\end{array}\right] = \left[\begin{array}{c}7\\-8\end{array}\right]\\\left[\begin{array}{cc|c}3&5 &7\\ 6& -1 & -8\end{array}\right] \rightarrow \left[\begin{array}{cc|c}3&5& 7\\0&-11 & -22\end{array}\right] \rightarrow \left[\begin{array}{cc|c}3&5& 7\\0&1 & 2\end{array}\right]\\3x +5y = 7\\\\y = 2\\\therefore x = -1$

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2 years ago

Brainliest fir CORRECT answer

viktelen [127]

Answer:

y ≈ 5.2

Step-by-step explanation:

∠ F = 180° - (42 + 48)° ← sum of angles in a triangle

∠ F = 180° - 90° = 90°

Thus Δ DEF is right at F

Using the sine ratio in the right triangle

sin48° = $\frac{opposite}{hypotenuse}$ = $\frac{DF}{DE}$ = $\frac{y}{7}$ ( multiply both sides by 7 )

7 × sin48° = y , then

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2 years ago

Vector u has initial point at (3, 9) and terminal point at (–7, 5). Vector v has initial point at (1, –4) and terminal point at

spin [16.1K]

Answer:

⟨-5, -1⟩

Step-by-step explanation:

Vector:

A vector is given by its endpoint subtracted by its initial point.

Vector u has initial point at (3, 9) and terminal point at (–7, 5)

Then

$u = (-7, 5) - (3,9) = (-7 - 3, 5 - 9) = (-10,-4)$

Vector v has initial point at (1, –4) and terminal point at (6, –1).

Then

$v = (6,-1) - (1,-4) = (6-1,-1-(-4)) = (5,3)$

What is u + v in component form?

$u + v = (-10,-4) + (5,3) = (-10+5,-4+3) = (-5,-1)$

⟨-5, -1⟩ is the answer.

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2 years ago