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iren2701 [21]
3 years ago
11

Can someone please help me with this, and please only comment if ur sure, Thank you <3

Mathematics
1 answer:
ruslelena [56]3 years ago
7 0
Exponential

the equation is
y = 12,800 (0.5)^x
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Y = x^3 + 5x^2 + 3x x= -3
dexar [7]

Answer:

9

Step-by-step explanation:

-3^3 +5*(3)^2 +3*-3

-27+5*9+(-9)

-27+45-9

=9

8 0
3 years ago
Read 2 more answers
Plssssssss help with this
Olenka [21]

Answer:

x=4

Step-by-step explanation:

If all the figures are similar, we'll have to shrink them at the same rate as the rest.

The ratio here is 2/5. So,

2/5 = 6.4/16

2/5 = x/10

x=4

3 0
3 years ago
Read 2 more answers
Numbers 38 and 40 pls and thanks
Evgen [1.6K]

#40 is $110.16 total.  You have to add the sales tax to the amount of the baseball cap which comes to $13.77.  Then take that amount and multiply by the number of caps.  Hope this helps.

8 0
3 years ago
Read 2 more answers
Name a career in which one would have to use the phythagorean theorem.Give an example of when and how it would be used.Please wr
DanielleElmas [232]

Answer:

The careers that use Pythagoras theorem are mentioned below.

Step-by-step explanation:

The Pythagoras theorem states that the sum of squares of the two sides of right angled triangle is equal to the square of the length of the hypotenuse.

Let a, b and c be the sides of a right triangle where c is the length of the hypotenuse.Then

a^{2}+b^{2}=c^{2}

Pythagoras theorem is used in daily life situations.

A surveyor looks through a telescope toward a measuring stick a fixed distance away, so that the telescope's line of sight and the measuring stick form a right angle.

It is also used to calculate the steepness of slopes and mountains.

8 0
3 years ago
What is the measure of the central angle of a circle with radius 15ft that intercepts a 10ft arc
svetlana [45]
Radius = 15 feet
circumference = 2 * PI * 15 = <span> <span> <span> 94.25 </span></span></span>feet
the length of the arc is 10 feet
So the angle would equal (10 / 94.25) * 360 = <span> <span> <span> 0.1061007958 </span> </span> </span> * 360 =
=  <span> <span> <span> 38.196</span></span></span> degrees



5 0
4 years ago
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