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Pavel [41]
3 years ago
12

Trigonometry Problem Find the length of the missing side.

Mathematics
1 answer:
spin [16.1K]3 years ago
5 0

Answer:

  19.0

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the relationship ...

  Cos = Adjacent/Hypotenuse

  cos(38°) = 15/w

  w = 15/cos(38°) ≈ 19.035

The length of the missing side is about 19.0.

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Cara has 25$ to buy dry pet food and treats for the animal shelter. A pound of dog food cost $2 and treats are $1 apiece. If she
alina1380 [7]
Let x be the number of treats bought
Let y be the pounds of food bought

25= 2y+x

Given that she has buys 9 pounds of dog food:

25= 2(9)+x
25=18 +x
25-18 =x
7=x

With the money she has left over, she can buy 7 treats.

Hope I helped :)
5 0
3 years ago
Find the intersection points of the linear and quadratic functions shown below f(x)=2x-5 g(x)= x2+2x-21
Mice21 [21]

Answer:

(-4,-13) and (4,3) the intersection points.

Step-by-step explanation:

Intersection point of two functions is a common point which satisfies both the functions.

Given functions are,

f(x)=2x-5

g(x)=x^2+2x-21

For a common point of these functions,

f(x)=g(x)

2x-5=x^2+2x-21

-5=x^2-21

0=x^2-16

x^2=16

x=-4,4

For x=-4,

f(-4)=g(-4)=2(-4)-5

                       =-13

For x=4,

f(4)=g(4)=2(4)-5

                  =3

Therefore, (-4,-13) and (4,3) the intersection points.

3 0
3 years ago
The term –18xy and which other term are like terms?
alexgriva [62]
So,

We know that we cannot add or subtract quantities of the same kind.

-18xy can only be added/subtracted to 4yx, which is the same as 4xy.  The result would be -14xy, or -14yx.

The correct option is B.
6 0
3 years ago
Ellie bought a pair of jeans on sale for 15% off. If the jeans were originally $35, how much did she save?
Maurinko [17]

Answer:

she saved $5.25

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Describe how to combine like terms in the expression 3n + 4n -2
storchak [24]
You can combine the same numbers with the same variables using the operation sign for each. For example, using your equation, you would combine the 3n and 4n which is 7n. So your equation would be
7n - 2
5 0
3 years ago
Read 2 more answers
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