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kumpel [21]
3 years ago
9

Bro,

Mathematics
2 answers:
Arada [10]3 years ago
7 0

Answer:

i got banned for 24 hours and I had like 36 brainliest now I have 22

Step-by-step explanation:

dem82 [27]3 years ago
3 0

thats wierd how even the right answers were deleted, well the person who you answered originaly got the help they needed even if the cant see it now they still got it right?

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Name<br> Add and Subtract Integers<br> Solve.<br> 1.-2+9
Rudiy27
Answer would be 7 since 2 is a negative you would subtract it from 9
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3 years ago
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At an appliance store, the price of a refrigerator is marked up 25% to $406.25.
likoan [24]

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$325

Step-by-step explanation:

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a street light is at the top of a 18 ft tall pole. a woman 6 ft tall walks away from the pole with a speed of 4 ft/sec along a s
shutvik [7]

The most appropriate choice for similarity of triangles will be given by -

Speed of tip of the shadow of woman  = 6 ft/s

What are similar triangles?

Two triangles are said to be similar, if the corrosponding angles of the triangles are same and the corrosponding sides of the triangles are in the same ratio.

Here,

The diagram has been attached here

Let the distance of woman from the pole be x ft and the distance of tip of the shadow to the pole be y ft.

Height of street light = 18 ft

Height of woman = 6ft

The two triangles are similar [As height of woman is parallel to the height of pole]

\frac{y - x}{6}=\frac{y}{18}\\18y - 18x = 6y\\18y - 6y = 18x\\12y = 18x\\y = \frac{18}{12}x\\y = \frac{3}{2}x\\

To find the speed, we have to differentiate both sides with respect to time 't'

\frac{dy}{dt} =\frac{3}{2}\frac{dx}{dt}\\\frac{dy}{dt}=\frac{3}{2} \times 4\\\frac{dy}{dt} = 6

Speed of tip of her shadow = 6 ft

To learn more about similarity of triangles, refer to the link-

brainly.com/question/14285697

#SPJ4

6 0
1 year ago
If x2 = 30, what is the value of x?
hammer [34]

Answer:

15

Step-by-step explanation:

15 x 2 = 30

8 0
2 years ago
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Sven participates in his employer’s 401k plan. His annual salary is $52,000. Sven contributes 7.5% of his annual salary. His emp
IgorLugansk [536]

Answer:

$ 6,500

Step-by-step explanation:

(52,000)(0.075)+(52,000)(0.05) = 3,900 + 2,600

= 6,500

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2 years ago
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