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2 years ago

Are the graphs of each pair of equations parallel, perpendicular, or neither? x = 4 and y = 3

Mathematics

1 answer:

levacccp [35]2 years ago

3 0

Answer:

perpendicular

Step-by-step explanation:

The graph of x = 4 is a vertical line and the graph of y = 3 is a horizontal line.

Vertical and horizontal lines are perpendicular.

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In a geometric sequence, the ____ between consecutive terms is constant.

dexar [7]

The Answer would be: Ratio

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3 years ago

Write an expression that can be used to multiply 6 × 198 mentally.

Mamont248 [21]

Answer:

assuming you meant 6x198 do a mental sum for 6x200 (1200) then subtract 6x2(12)to give you 1188

Step-by-step explanation:

brainly.com/question/274291

5 0

2 years ago

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If a certain cannon is fired from a height of 8.8 meters above the ground, at a certain angle, the height of the cannonball ab

Dennis_Churaev [7]

Answer:

It would take approximately 6.50 second for the cannonball to strike the ground.

Step-by-step explanation:

Consider the provided function.

$h(t)=-4.9t^2+30.5t+8.8$

We need to find the time takes for the cannonball to strike the ground.

Substitute h(t) = 0 in above function.

$-4.9t^2+30.5t+8.8=0$

Multiply both sides by 10.

$-49t^2+305t+88=0$

For a quadratic equation of the form $ax^2+bx+c=0$ the solutions are: $x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

Substitute a = -49, b = 305 and c=88

$t=\frac{-305+\sqrt{305^2-4\left(-49\right)88}}{2\left(-49\right)}=-\frac{-305+\sqrt{110273}}{98}\\t = \frac{-305-\sqrt{305^2-4\left(-49\right)88}}{2\left(-49\right)}= \frac{305+\sqrt{110273}}{98}$

Ignore the negative value of t as time can't be a negative number.

Thus,

$t=\frac{305+\sqrt{110273}}{98}\approx6.50$

Hence, it would take approximately 6.50 second for the cannonball to strike the ground.

6 0

2 years ago

Evauluate 37/100+3/10

zheka24 [161]

Answer:

67/100

Step-by-step explanation:

Find common denominators, note that what you do to the denominator, you must do to the numerator.

The common denominator is 100:

(3/10)(10/10) = (3 * 10)/(10 * 10) = 30/100

Add:

37/100 + 30/100 = 67/100

67/100 is your answer.

4 0

2 years ago

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Please I neeed help

Novosadov [1.4K]

The answer is 59049 hope this helps

8 0

2 years ago

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