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3 years ago

(7x2+3x-6)-(-4x2+x-2)

Mathematics

2 answers:

Alex17521 [72]3 years ago

7 0

The correct answer is 4 ( 6x - 1 )

Reptile [31]3 years ago

4 0

Answer:

-4

Step-by-step explanation:

7 x2 = 14+3 x-6=-18

so 14 + -18=-4

-4 x 2 = -8 + x-2= -6

x-2

-4 is x

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Karina wants to fill the base so that it is 85% full. What is the volume of the base that she is filling? (Find 85% of the volum

Mazyrski [523]

Question:

Karina has recently begun kickboxing and purchased training equipment as modeled in the diagram below. The cylindrical base is 15 inches tall with a diameter of 22 inches.

Karina wants to fill the base so that it is 85% full. What is the volume of the base that she is filling? (Find 85% of the volume).

Answer:

$Section = 4847.3205\ in^3$

Step-by-step explanation:

Given

$h = 15in$ -- height

$d = 22in$ -- diameter

Required

85% of the volume

First, calculate the radius

$r = \frac{1}{2} * d$

$r = \frac{1}{2} * 22= 11in$

The volume (V) is then calculated using:

$V = \pi r^2h$

$V = 3.142* 11^2 * 15$

$V = 5702.73\ in^3$

85% of the volume is:

$Section = 85\% * V$

$Section = 85\% * 5702.73\ in^3$

$Section = 4847.3205\ in^3$

3 0

2 years ago

If P(A)=0.4, P(A and B)=0.2,and P(A or B)=0.5, What is P(B)

Vladimir [108]

Answer:

$\boxed{\ P(B)=0.3 \ }$

Step-by-step explanation:

Hi,

We know that

P(A or B)=P(A)+P(B)-P(A and B)

so P(B)= P(A or B) - P(A) + P(A and B)

P(B) = 0.5 - 0.4 + 0.2 = 0.3

thanks

6 0

3 years ago

Find the slope of the line in the image.<br> someone plz helpppp

pogonyaev

Answer: The answer I got is -2/4 Hope this help :)

Step-by-step explanation:(-2,6)(2,4)

M=y2-y1

x2-x1

4-6 = -2

2-(-2) = 4

The slope is -2/4

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Answer: 12 years

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the graph below has A) no linear factors B) two dissimilar linear factors or C) one repeated linear factor

luda_lava [24]

The correct answer is NO LINEAR FACTORS (option A ).

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