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Lisa [10]
3 years ago
9

Solve the system of equations below by graphing both equations with a pencil and paper. What is the solution? y=3x-4 y=-2x+1

Mathematics
1 answer:
suter [353]3 years ago
6 0

\left\{\begin{array}{ccc}y=3x-4\\y=-2x+1\end{array}\right\\\\y=3x-4\\for\ x=0\to y=3(0)-4=-4\to(0;-4)\\for\ x=2\to y=3(2)-4=2\to(2;\ 2)\\\\y=-2x+1\\for\ x=0\to y=-2(0)+1=1\to(0;\ 1)\\for\ x=2\to y=-2(2)+1=-3\to(2;\ -3)

Look at the picture.

Answer: x = 1; y = -1 → (1; -1)

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Factor -22 out of 15.4b -6.6
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Answer:

-7b+3

Step-by-step explanation:

first step you will find numbers if you take -2.2 to get those numbers

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2 years ago
What’s the volume of the cone if the height is 7 cm and the base it 10 cm
pogonyaev

Answer:

23.3333333333...

Step-by-step explanation:

10 x 7 = 70

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If P->q is true and q->r is true them the conclusión of p->r is also true this is called?​
tino4ka555 [31]

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3 years ago
What is the value of x in the equation -2/9x=2/5
densk [106]

Answer:

x = (-9)/5

Step-by-step explanation:

Solve for x:

(-2 x)/9 = 2/5

Hint: | Multiply both sides by a constant to simplify the equation.

Multiply both sides of (-2 x)/9 = 2/5 by -9/2:

(-9 (-2) x)/(2×9) = (-9)/2×2/5

Hint: | Express (-9)/2×(-2)/9 as a single fraction.

(-9)/2×(-2)/9 = (-9 (-2))/(2×9):

(-9 (-2))/(2×9) x = (-9)/2×2/5

Hint: | Express (-9)/2×2/5 as a single fraction.

(-9)/2×2/5 = (-9×2)/(2×5):

(-9 (-2) x)/(2×9) = (-9×2)/(2×5)

Hint: | In (-9 (-2) x)/(2×9), divide -9 in the numerator by 9 in the denominator.

(-9)/9 = (9 (-1))/9 = -1:

(-2-1 x)/2 = (-9×2)/(2×5)

Hint: | In (-(-2) x)/2, divide -2 in the numerator by 2 in the denominator.

(-2)/2 = (2 (-1))/2 = -1:

--1 x = (-9×2)/(2×5)

Hint: | Multiply all instances of -1 in -(-x).

(-1)^2 = 1:

x = (-9×2)/(2×5)

Hint: | Cancel common terms in the numerator and denominator of (-9×2)/(2×5).

(-9×2)/(2×5) = 2/2×(-9)/5 = (-9)/5:

Answer: x = (-9)/5

7 0
3 years ago
Read 2 more answers
Help pzzzzzzzzzzzzzz
inn [45]

Answer: 1) The value of the 3 in option A is 10x the value of the 3 in option B

2) Option A has the 3 in the ones places, Option B has the 3 in the tenths place

Step-by-step explanation:

3 0
3 years ago
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