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Lana71 [14]
3 years ago
13

Brianna received pledge amounts of $89, $35, $22, $36,

Mathematics
1 answer:
Alex17521 [72]3 years ago
5 0

Answer:mean

Step-by-step explanation: I am also not sure because I been looking for the anwser to this but I think it’s mean

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Helllllpppppppppp! me plz
Taya2010 [7]

use Pythagoras theorem,

a² + b² = c²

x² + 12² = 14²

x = √(14² - 12²)

x = 7.2111

x = 7.21 units.

8 0
3 years ago
Which descriptions from the list below accurately describe the relationship between AQRS and ATUV? Check all that apply. 284 -28
ololo11 [35]

Answer:

All A to D

Step-by-step explanation:

The attachment completes the question

From the attachment,

  • it can be seen that QRS and TUV are of the same i.e. triangles

Also, from the attachment, the sides of each are:

RQ = UT = 22

QS = TV = 30

RS = UV = 23

And the angles are:

\angle Q = \angle T = 50

\angle R = \angle U = 83

\angle S = \angle V = 47

The above show that QRS and TUV are:

  • similar
  • same sides
  • and they are congruent

3 0
3 years ago
If f (x) = x-2 and g (x,y) = y2 + x, then g (3, f(4)) is?
alex41 [277]
f(4)=4-2=2\\\\
g(3,f(4))=g(3,2)=2^2+3=4+3=7
4 0
3 years ago
Read 2 more answers
Consider the sequence {an} = {nrn}. Decide whether {an} converges for each value of r.
Rudiy27

Answer:

a). converges

b). diverges

c). converges

Step-by-step explanation:

{ $ a_n $ } = { $ nr^n $ }

Using radio test,

L = $ \lim_{n \rightarrow \infty} |\frac{a_n + 1}{a_n}| $

   = $ \lim_{n \rightarrow \infty} |\frac{(n+1)r^{n+1}}{nr^n}| $

   = $ \lim_{n \rightarrow \infty} |(1+\frac{1}{n})^r| $

   = $ \lim_{n \rightarrow \infty} |r| $

   = |r|

Therefore, $a_n$ converges in |r| < 1

a). r = 1/5

    $\{ a_n \}=  \{\frac{1}{5}, n \}$

This sequence is monotonically decreasing and bounded.

0 < $ a_n $ < 1

Hence, { $ a_n $ } converges.

b). r = 1

    { $ a_n $ } = { n }

This sequence is monotonically increasing sequence which is not bounded.

Hence, { $ a_n $ } diverges.

c). r = 1/6

$\{ a_n \}=  \{\frac{1}{6}, n \}$

This sequence is monotonically decreasing and bounded.

0 < $ a_n $ < 1

Hence, { $ a_n $ } converges.

For  |r| < 1, the $a_n$ converges.

3 0
3 years ago
Luke is going to repaint both sides of the door of his room. The door is 36 inches long by 80 inches high. His options at the pa
earnstyle [38]
$26.20 minimum cost of option 1
$36.68 minimum cost of option 2

Area₁ = Length x Width
A₁ = 80 x 36
A₁ = 2880 in²  * this in only one side of the door.

Total Area = A₁ x 2 sides = 2880 = 5760 in²  * only good for 1 coating of paint
Total Area to be coated = 5760 x 2 coats of paint = 11,520 in²

1st option - $10 / gallon  and 4400 sq. in.
2nd option - $ 7 / gallon and  2200 sq. in

11,520 / 4400 = 2.62 x $10 = $26.20 minimum cost of option 1
11,520 / 2200 = 5.24 x $  7 = $36.68 minimum cost of option 2

8 0
4 years ago
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