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Fittoniya [83]
3 years ago
8

Factor this expression

Mathematics
1 answer:
ANTONII [103]3 years ago
6 0

Answer:

x^2+6x+9

(x+3)^2

Step-by-step explanation:

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Bob sees a very tall white pine tree. He estimates that the angle of elevation from him to the top of the tree is 77°
vlabodo [156]

Answer:

  86.63 ft

Step-by-step explanation:

The tangent relation applies.

  Tan = Opposite/Adjacent

  tan(77°) = (tree height)/(20 ft)

  tree height = (20 ft)·tan(77°) ≈ 86.63 ft

_____

<em>Additional comment</em>

It is somewhat problematic for Bob to see the top of a white pine tree at that angle of elevation. His view would likely be obscured by the branches of the tree.

8 0
2 years ago
TIMED ASAP HELP BRAINLY WILL GIVE POINTS PLEASE HELP
Radda [10]

Answer:

B and C

Step-by-step explanation:

Because 3.49m rounded = 3

3.802 rounded =4

4.18 rounded =4 because your rounding to the tenth. Hope this helps

8 0
4 years ago
Read 2 more answers
Write the equation of the line that passes through the points (8,-1) and (2,-5) in standard form, given the point to slope form
vredina [299]
We know that

the equation of the line in standard form is
Ax+By=C

the equation of the line <span> in the slope-intercept form is
</span><span>y +1 = 2/3 (x - 8)-----> y+1=(2/3)x-(16/3)----> y-(2/3)x=(-16/3)-1
</span>y-(2/3)x=(-19/3)----> multiply by 3-----> -2x+3y=-19

the answer is
-2x+3y=-19

<span>I verify that the points belong to the given line
for the point (8,-1)
-2*8+3*(-1)=-19--------> -16-3=-19-----> -19=-19------> is ok

for the point (2,-5)
-2*2+3*(-5)=-19------> -4-15=-19------> -19=-19-----> is ok</span>
4 0
3 years ago
Read 2 more answers
Cyndee is taking her siblings out for dessert. Ice cream, c, costs $4.00 per cone. Brownies, b, are $2.00 each. Water for everyo
GalinKa [24]

Answer:

The term that represent the amount of money she will spend on brownies is 2b

Step-by-step explanation:

Let

c ----> the number of cones

b ----> the number of brownies

we know that

The cost of desserts can be found using the expression

4c+2b+5

where

4c ----> is the term that represent the amount of money spend in cones

2b ----> is the term that represent the amount of money spend in brownies

5 ----> is the term that represent the amount of money spend in water

therefore

The term that represent the amount of money she will spend on brownies is 2b

That means ---> the number of brownies (b) multiplied by the cost of each brownie ($2)

5 0
3 years ago
Which expression is equivalent to 4.8 + 2.2w - 1.4w+ 2.4?<br><br><br> someone help please
olga55 [171]
7.2 + 0.8W

You can combine like terms
7 0
3 years ago
Read 2 more answers
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