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Roman55 [17]
3 years ago
14

Solve and explain please

Mathematics
2 answers:
lilavasa [31]3 years ago
7 0

Answer:

j₁ = - 2

j₂ = - 9

Step-by-step explanation:

j² + 11j + 18 = 0

j² + 9j + 2j + 18 = 0

j(j+ 9) + 2(j + 9) = 0

(j + 2)(j + 9) = 0

j + 2 = 0 => j₁ = - 2

j + 9 = 0 => j₂ = - 9

Ann [662]3 years ago
3 0

Answer:

j= -9, -2

Step-by-step explanation:

(j+9)(j+2)

j=-9, -2

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Two cars drive on the same highway in the same direction. The graphs show the distance, , of each one as a function of time, . W
WINSTONCH [101]

Answer:

Car b

Step-by-step explanation: Because it’s going higher on the graph because it’s going more straight than car a which is going more sideways

6 0
3 years ago
A student is asked to find the length of the hypotenuse of a right triangle. The length of one leg is 32
zavuch27 [327]

Hypotenuse =39cm of right angle triangle! .

<u>Step-by-step explanation:</u>

Here we have , A student is asked to find the length of the hypotenuse of a right triangle. The length of one leg is 32  centimeters, and the length of the other leg is 25 centimeters. The student incorrectly says that the  length of the hypotenuse is 7.5 centimeters. We need to find:

A)

We have , One length as 32 cm and other as 25 cm , as

Perpendicular = 32cm\\Base=25cm

By Pythagoras Theorem ,

⇒ Hypotenuse^2 = Perpendicular^2+Base^2

⇒ Hypotenuse^2 =32^2+22^2

⇒ \sqrt{Hypotenuse^2} =\sqrt{1024+484}

⇒ Hypotenuse =39cm

So , Hypotenuse =39cm of right angle triangle! .

4 0
3 years ago
Read 2 more answers
Which of the following is the decimal 0.6250 written as a fraction in lowest form
geniusboy [140]
The answer is 5/8. Hope this helps
6 0
3 years ago
HELP ASAP
Naily [24]

Answer:

y+4 = -\frac{1}{3} (x-1)

Step-by-step explanation:

1) First, find the slope of the line. Use the slope formula m = \frac{y_2-y_1}{x_2-x_1} to find the slope. Substitute the x and y values of the given points into the formula and solve:

m = \frac{(-5)-(-4)}{(4)-(1)} \\m = \frac{-5+4}{4-1} \\m = \frac{-1}{3}

So, the slope is -\frac{1}{3}.

2) Use the point-slope formula y-y_1  = m (x-x_1) to write the equation of the line in point-slope form. Substitute values for m, x_1, and y_1 into the formula.

Since m represents the slope, substitute -\frac{1}{3}  in its place. Since x_1 and y_1 represent the x and y values of one point on the line, choose any one of the given points (it doesn't matter which one) and substitute the x and y values of it into the formula. (I chose (1,-4), as seen below). This gives the equation of the line in point-slope form.    

y-(-4) = -\frac{1}{3} (x-(1))\\y+4 = -\frac{1}{3} (x-1)

5 0
2 years ago
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Which is the function represented by the table
mestny [16]

Answer:

the first function is correct

8 0
3 years ago
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