So for this triangle you are going to use Cos, which is adjacent/hypotenuse.
In this case x is your hypotenuse.
So your equation is going to be Cos(49)= 14/x.
So in order to get x, you are going to have to multiply x by each side. So:
x • Cos(49)= 14/x • x.
Multiplying x and x is going to cancel each other out so your new equation is going to be:
xCos(49)=14.
Now we are going to divide each side by Cos(49). Dividing Cos(49) by itself, will cancel itself out, so then your new equation will be:
x = 14/Cos(49)
Now you are going to put that into your calculator and your answer will be
x = 9.18.
If i’m wrong please tell me and correct me.
Here is a photo of you don’t understand.
Answer:
132p
Step-by-step explanation:
if 7 pens cost 84 total then you need to find the cost of each to know how much 11 pens would cost in total
84/7=12
now you know it's 12 each so just multiply 12 by 11 and you know how much for 11 total!
12*11=132p
Answer:
1r-1r
Step-by-step explanation:
srry if its wrong i took that class a couple months ago
Answer:
54 degrees
Step-by-step explanation:
This is trigonometry. So we are given the adjacent leg and hypotenuse. So we can use cosine(cah from soh cah toa)
We will have to use the inverse of the trig ratios.
Remember!
cos^-1 is not 1/cos(that is sec)
cos^-1(27/46)
acos(27/46)
54.0586701 and so on
Round to nearest degree 54
Answer:
<em>of Carl's rocks are quartz or granite</em>
Step-by-step explanation:
<u>Proportions and Fractions
</u>
A proportion is expressed as a fraction a/b, where a and b are compared by division. If a=b, the proportion (or ratio) equals 1, if a<b, the ratio is less than 1, and if a>b, the ratio is greater than 1. The proportion of elements of a set to the total number of elements of the set is less than one, and the sum of all them equals 1.
We know 3/8 of Carl's rock collection are quartz and 1/3 are granite. If both subsets of rocks are mutually exclusive or disjoint (cannot happen simultaneously), then the proportion of both is the sum of the fractions.
