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Maksim231197 [3]
3 years ago
15

Diego is planning to make a wooden cookbook stand for his mom. The depth of the stand will be 10 inches and will hold a cookbook

at a 40°
angle, as shown in the following design.
40
10 in
Diego wants to know if the length of the slanted side will be large enough to hold a cookbook. Which equation can be used to find x, the length
of the slanted side?
OA.sin(40%) = 10 in
B. cos(40%) = 10 in
Octan(40°) = no in
D. Cos(40%) =
10.in

Mathematics
1 answer:
valentinak56 [21]3 years ago
4 0

Answer:

dont know

Step-by-step explanation:

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vitfil [10]
The answer is -2y•(2y^4 - 3y^2 - 4y + 1)
8 0
2 years ago
Consider the fibonacci sequence below, which is the first term in the sequence to exceed 120?
gizmo_the_mogwai [7]

Answer:

144

Step-by-step explanation:

The sequence is:

0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181, 6765, 10946

so you can see the first term larger than 120 is the 144.

3 0
2 years ago
Find the equation of a line that passes through the points (1,2) and (5,6). Leave your answer in the form y=mx+c
Ainat [17]

Answer:

y=x+1

Step-by-step explanation:

first find the slope using the two coordinates:

use the slope formula- m=y^2-y^1/x^2-x^1

6-2/5-1

=4/4

=1

y=mx+b

now plug in one of the coordinates, and the slope we just found into the slope intercept formula

2=1(1)+b

2=1+b

subtract 1 from both sides

1=b

1=b; m=1,

y=x+1

5 0
3 years ago
The cost (in dollars) of making b bracelets is represented by 4 5b. The cost (in dollars) of making b necklaces is represented b
Leviafan [203]

Answer:

$(3b+2)

Step-by-step explanation:

The cost of making b bracelets = 4+5b

The cost  of making b necklaces = 8b+6.

To determine how much more it cost to make b necklaces than b bracelets, we simply subtract.

Extra Cost = Cost of b Necklaces-Cost of b Bracelets

=(8b+6)-(4+5b)

open the brackets

=8b+6-4-5b

Collect like terms

=8b-5b+6-4

=3b+2

It costs $(3b+2) more to make b necklaces than b bracelets.

3 0
3 years ago
Find the extrema of the function y=cos2x
marishachu [46]

Answer:

Step-by-step explanation:

Find derivative of the function:

y' = -2·sin(2·x)

-2·sin(2·x) = 0

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x2 = 3.142

f(0) = 1

f(3.142) = 1

Answer

fmin = 1, fmax = 1

4 0
3 years ago
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