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matrenka [14]
3 years ago
15

Find the value of x in the triangle shown below

Mathematics
2 answers:
Dahasolnce [82]3 years ago
4 0

Answer:

Step-by-step explanation:

Pythagorean theorem,

Hypotenuse² = Altitude² + Base²

x² = 8² + 4²

   = 64 + 16

  = 80

x = √80

kifflom [539]3 years ago
3 0

Answer:

A) x=sq rt 80

Step-by-step explanation:

by the Pythagorean theorem

4^2+8^2=x^2

16+64=x^2

80=x^2

x=sq root 80

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Sorry i tryed my best and i'm pretty sure it's 263$.

7 0
3 years ago
Let u = <-5, -9>, v = <6, 8>. Find -8u - 2v.
brilliants [131]
If u and v are indeed vectors,
- 8u - 2v =  - 8( - 5, - 9) - 2(6,8) \\  = (40,72) - (12,16) \\  = (28,56)
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4 years ago
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James wanted to know if Earth and Mars added together were as big as Jupiter.
rewona [7]

Answer:

Mars is 6.79 X 10^6 m

Step-by-step explanation:

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3 years ago
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Grace deposits $1000 in a mutual fund earning 9.25% annual interest, compounded monthly. Write an exponential function that mode
Serggg [28]

First, we calculate for the effective interest given the annual interest and the condition that it is compounded monthly.

<span>                                                Ieff = (1 + 0.0925/12)^12 – 1 = 0.09652</span>

The equation that would best represent the value of Grace’s money after x years is equal to,

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<span>Where x is the number of years</span>

5 0
3 years ago
write an expression to describe a rule for the sequence. Then find the 100th term in the sequence 3, 10, 17, 24, 31, 38, ...
blagie [28]
As we can tell, the first number is 3, so we'll have a y-intercept in our equation and overall. Secondly, we can tell it's increasing by 7 each time, so we can tell that's the rate. But, it won't just be 3+7x, if we plug 1 in, it would be 10 and not 3. We need to put in the parenthesis 3+7(x-1). If we put one in, we would receive three. Let's make sure this works.
3+7(5-1)
3+7(4)
3+28
31
31 is the fifth terms.
So the expression would be 3+7(x-1).
Let's find the 100th term.
3+7(100-1)
3+7(99)
3+693
696
So the 100th term would be 696.
3 0
3 years ago
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