Can someone do this it's hard I need help

Answers

Answer 1

Answer: 10. G (one box below G; one left of D)
11. F (one box below F)
12. F

13. E to F and A to B
14. C to D and E to F
no diagram 2. sorry can't help with the rest :(

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A tower casts a shadow 11 feet long the distance from the top of the tower to the end of the the shadow is 61 feet how many feet tall is the tower?

Answers

This is very easy!! I have attached a picture I have drawn if you are a visual learner... well, everything else like computations is here.
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This is the PYTHAGOREAN THEOREM!!
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If you don't know, it says that the lengths of the legs squared added together all equal the hypotenuse squared in a right triangle!!
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And if you want to know why the "triangle" has a right angle... well, are towers slanted? I mean, other than the Leaning Tower of Pizza. I mean Pisa.
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So... we plug it in!!
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Formula: a^2 + b^2 = c^2.
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Plug it in: 11^2+ 61^2 = c^2
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c^2 = 3842.
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So now what?
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SQUARE ROOT OF EVERYTHING!!
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c = √3842.
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So? c = approximately 61.984.
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Hope I helped!!

Which best describes this quadrilateral? A.
All sides are different lengths.

B.
All angles are right angles.

C.
Only one pair of sides is parallel.

D.
Opposite sides are parallel.

Answers

Hello,

All should be exact (without picture):
a quadrilateral is only a polygon with 4 sides.

Y^2+4x-6x-6y+5=0convert to standard form, find the vertex, focus, and the equation of the directrix line

Answers

I think it is : $x= (Y^2)/(2)-3y+ (5)/(2)$ .

But...not really sure

so first we group like terms
y^2+4x-6x-6y+5=0
y^2-6y-2x+5=0
so I suspect that you might have left out a x^2 but I'll try to solve it how it is

y^2-6y+5-2x=0
factor y^2-6y+5
what adds up to -6 and multiplies to get 5, -1 and -5
(y-5)(y-1)-2x=0
not sure how to procede but you could get it to this
(y-5)(y-1)=2x

using the tables presented in your reading material,find the maturity value of a $1 at a compound interest rate of 9% over 4 periods.a.1.3859 b.1,4116 c.1,4641 d.1,4661

Answers

The value is 1 dollar.
With compound interest rate of 9% over 4 period.
=> 1 dollar * .09 = 0.0081
=> 1.0081 * 0.09= 0.090729
=> 0.090729 + 1.0081 = 1.098829
=> 1.098829 * .09 = 0.09889461
=> 1.098829 *+ 0.09889461 = 1.19772361
=> 1.19772361 * .09 = 0.1077951249
=> 1.19772361 + 0.1077951249 = 1.3055187349
Or 1.31

Answer:

b. $1,4116

Step-by-step explanation:

just look in the chart it shows you the answer

Having troubles with inequalities.. 3.8x + 14.5 < 32

Answers

$3,8x + 14.5 < 32\n 3,8x<32-14,5\n 3,8x<17,5\ /:3,8\n x<(17,5)/(3,8)\n \n 17\frac12 :3\frac45=(35)/(2) :\frac{19}5=\frac{35}2\cdot \frac5{19}\n=(175)/(38)=4(23)/(28)\n x<4(23)/(28)\n x\in (-\infty;4(23)/(28))$

Answer: x < 4.6 rounded to the tenths

Step-by-step explanation:

3.8x + 14.5 < 32

subtract 14.5 on both sides.

3.8x < 17.5

divide by 3.8 on both sides.

x < 4.60526316

CAN SOMEBODY PLEASE HELP ME I AM SO CONFUSEDD

Answers

The formula for the surface area of a cylinder is 2πrh+2πr². R is the radius and h is the height.

2πrh+2πr²
2(3.14)(1.3)(4.8)+2(3.14)(1.3)²
39.19+10.61
=49.8

I hope this helped.

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