3 years ago

There are 54 bookshelves in the library

Mathematics

1 answer:

masya89 [10]3 years ago

5 0

Answer:

Step-by-step explanation:

Assuming that all 54 shelves hold the same number of books its just a matter of dividing them (or sharing them equally) on each shelf.

3240 / 54 = 60

Each shelf holds 60 books.

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Find sin θ if θ is in Quadrant III and tan θ = . 0.958

Leokris [45]

Use the following identities:
$sec^2 = 1 + tan^2 \\ \\ sec = \frac{1}{cos} \\ \\ sin^2 = 1 - cos^2$
Also because the angle is in quadrant 3, sin must be negative.
Therefore
$sin = - \sqrt{1 - \frac{1}{1 + tan^2}}$
Subbing in tan = 0.958
$sin \theta = -0.69178$

7 0

2 years ago

Solve this equation 4y+228=352

statuscvo [17]

4y + 228 = 352

4y = 352 - 228

4y = 124
--- ----
4 4

------------
| y = 31 |
------------

hope this helps

8 0

3 years ago

Read 2 more answers

What is the value for ƒ(x) = 42x - 100 when x = 2 ?

Anton [14]

F(2)=42(2)-100
f(2)= -16
f(2)/-16= -8

3 0

3 years ago

Quesuon 10 of 10

Bad White [126]

Answer:

(p, q) is (2, 5)

Step-by-step explanation:

Given the expression

x^2 + 3x - 10

Factorize;

x^2 + 5x - 2x - 10

x(x+5) - 2(x+5)

(x-2)(x+5)

Comparing with (x + p)(x + 9).

x+2 = x+ p

x-x+2 = p

2 = p

p = 2

Similarly;

x+5 = x+q

x-x+5 = q

5 = q

q= 5

Hence (p, q) is (2, 5)

7 0

2 years ago

Which operation should you perform first in the expression 12 × 42?

d1i1m1o1n [39]

Answer:multiplication

Step-by-step explanation:

3 0

2 years ago