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taurus [48]
3 years ago
13

Factor j^2– 13j + 42.​

Mathematics
1 answer:
Karolina [17]3 years ago
7 0

Answer:

(J-7)(J-6)

Step-by-step explanation:

=j^2– 13j + 42.

=j^2– 6j-7J + 42.

=J(J-6) - 7( J-6)

=(J-7)(J-6)

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According to research, how does the public view children and teens with mental health disorders? Group of answer choices A stati
Liono4ka [1.6K]

According to research, the public views children and teens with mental health disorders as over 1,300 U.S. adults believe children with depression are prone to violence

Answer: Option B

<u>Explanation:</u>

Most Americans trust that the people count has increased with mental health disorders in the last 20 years (69 %) and that is a major health issue in the US (89 %) according to the results of survey. They believe that mental health disorders are caused by physical disorders (like brain’s chemical imbalance or due to environmental criteria (daily stress or alcoholism / abuse of drugs).

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7 0
3 years ago
The figure shows a cylinder of diameter 12cm and height = 15cm. A hole in the shape of cone is bored into one of its end. If the
Lisa [10]

Answer:

\bold{495\pi} \approx \bold{1555.088 cm^3}

Step-by-step explanation:

There was no figure but the question is clear

Volume of a cylinder is given by the formula \bold{\pi r^2h}\\

where r is radius of base of cylinder, h is the height

Volume of a cone is given by \bold{\frac{1}{3} \pi r^2 h}

where r is the radius of base of cone, h is the height

The radius of the cylinder = \frac{1}{2}(diameter) = \frac{1}{2}(12) = 6cm

Height of cylinder = 15cm

Volume of cylinder V_{cyl} = \pi (6)^2  15 = \pi (36)15 = \bold{540\pi}

Radius of cone = \frac{1}{2} (radius of cylinder) = \frac{1}{2}(6) = 3 cm

Height of cone same as height of cylinder = 15cm

Volume of cone, V_{cone} = \frac{1}{3}\pi r^2 h = \frac{1}{3}\pi (3)^2 15 =  \frac{1}{3}(9)15\pi = \bold{45\pi}\\


Difference is the volume of the remaining solid

V_{cyl} - V_{cone} = 540\pi - 45\pi = \bold{495\pi} \approx \bold{1555.088 cm^3}



5 0
1 year ago
A car drives with an average velocity of 20.1 m/s . After some time, it has traveled 34.2 km. How long has the car been travelin
exis [7]

Answer:

time = distance / velocity

time = 34,200 meters / 20.1 meters per second

time = 1,701.4925373134 seconds

time = 28.36 minutes

 

Step-by-step explanation:

3 0
3 years ago
Solve for x. Enter the solutions from least to greatest. Round to two deical places. (x+8)^2-2=0
arsen [322]

Answer: Isolate the variable by dividing each side by factors that don't contain the variable.

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3 years ago
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