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il63 [147K]
3 years ago
15

X\2+(x+7)•(x+1)pleaseeeeeeeeeeeeeeeeee

Mathematics
1 answer:
bixtya [17]3 years ago
4 0

Answer:

= x^2 + 17/2x + 7

Step-by-step explanation:

x2+(x+7)(x+1)

Distribute:

=x2+(x)(x)+(x)(1)+(7)(x)+(7)(1)

=12x+x2+x+7x+7

Combine Like Terms:

=12x+x2+x+7x+7

=(x2)+(12x+x+7x)+(7)

=x2+172x+7

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Which of the following pair(s) of circles have /as a common external tangent? Select all that apply.
Wewaii [24]

Answer:

A and B

A and C

Step-by-step explanation:

Common internal tangents intersect the segment joining the centers of the two circles.

Tangent I is common internal tangent to circles A and B as the line joining the centers of circles will intersect the tangent I.

Tangent I is also a common internal tangent to circle A and C.The line joining the centers of circles A and C intersects tangent I .

Tangent I is not a common internal tangent to circles B and C,

6 0
4 years ago
PLEASE HELP!!!!! !!!!!!!!!!!!
valina [46]

Answer:

31.9secs

6,183.3m

Step-by-step explanation:

Given the equation that models the height expressed as;

h(t ) = -4.9t²+313t+269

At the the max g=height, the velocity is zero

dh/dt = 0

dh/dt = -9,8t+313

0 = -9.8t + 313

9.8t = 313

t = 313/9.8

t = 31.94secs

Hence it takes the rocket 31.9secs to reach the max height

Get the max height

Recall that h(t ) = -4.9t²+313t+269

h(31.9) = -4.9(31.9)²+313(31.9)+269

h(31.9) = -4,070.44+9,984.7+269

h(31.9) = 6,183.3m

Hence the maximum height reached is 6,183.3m

3 0
3 years ago
At the animal shelter there are 8 cats and 20 dogs. What is the ratio of cats to dogs?
Umnica [9.8K]
The ratio is 8:20 
please mark as brainliest
6 0
3 years ago
Read 2 more answers
A student on the track teams runs
Butoxors [25]

Answer:

I think you forgot the rest if the question

8 0
3 years ago
a cereal box can hold 144 cubic inches of cereal. if the box is 8 inches long and 1.5 inches wide how tall is the box?
Andreas93 [3]
The volume of a rectangular prism is simply length * width * height.
Therefore, all we have to do to find the height of the cereal box is divide the volume by the width and the length.

144 / 8 = 18

18 / 1.5 = 12

The cereal box is 12 inches tall.
Hope that helped =)
3 0
4 years ago
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