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2 years ago

Can someone pls answer I need help with

Mathematics

1 answer:

Neporo4naja [7]2 years ago

3 0

Yes, 14 is correct.

15: 3^4 - 4
16: 7n - 6
17: n^2 / 8
18: 3n x 9

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A building 78 ft high casts a 195-ft shadow. Sarah casts a 10-ft shadow. The triangle formed by the building and its shadow is s

mylen [45]

This can be solved by similar triangles, which means you can cross multiply and divide. 78/195=x/10. 78(10)=780 and divide 780 by 195, you'll get the answer is 4. This means Sarah is 4 ft tall.

7 0

4 years ago

Can someone help please?

alexandr1967 [171]

The slope is the change in Y over the change inX: Using the two points given: (3,9) and (1,3)

The slope is (9-3) / (3-1)

Slope = 6 / 2

Slope = 3

The answer is A.

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3 years ago

Write an equation in point slope form of the line that passes through the point (6,-5) and has the slope 1/2

babymother [125]

Step-by-step explanation:

To find an equation of a line in point slope form when given the slope and a point we use the formula

$y - y_1 = m(x - x_1)$

where

m is the slope

( x1 , y1) is the point

From the question we have the final answer as

$\huge y + 5 = \frac{1}{2} (x - 6) \\$

Hope this helps you

5 0

3 years ago

Read 2 more answers

Prove that sequence an = (3^n)/(2n)! is monotone

krek1111 [17]

When $n=1$ , you have $a_1=\dfrac3{2!}=\dfrac32$ .

When $n=2$ , you have $a_2=\dfrac{3^2}{4!}=\dfrac38$ .

Clearly, $a_1>a_2$ .

Assume $a_k$ . Now when $n=k+1$ , you have

$a_{k+1}=\dfrac{3^{k+1}}{(2k+2)!}=\dfrac3{(2k+2)(2k+1)}\times\dfrac{3^k}{(2k)!}=\dfrac3{(2k+2)(2k+1)}a_k$

Therefore by induction the sequence is monotone (decreasing).

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3 years ago

How much money will the movie theater make if a birthday party of 12 kids each buys a box of candy and a soda but does not go se

Hunter-Best [27]

Answer:

$93

Step-by-step explanation:

12(3.75+4.00)

= 93

4 0

3 years ago