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denis-greek [22]
3 years ago
7

Please help find the area of the triangle!

Mathematics
2 answers:
Ulleksa [173]3 years ago
7 0
1456 To find the area you have to multiply
weqwewe [10]3 years ago
4 0
45.5 you have to multiply 13 and 7 then divid by 2
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D = a - b - c solve for b
enot [183]

To isolate b, add a and subtract c to the entire equation:

D - a + c = -b

Muliply b by -1 to eliminate the negative:

-D + a - c = b

5 0
3 years ago
The temperature at a mountain base camp was −2 degrees Celsius on Thursday. Friday morning, the temperature was 1 degree Celsius
sattari [20]
Start: -2
1 degree lower: -3
3 degree lower: -6
7 0
3 years ago
Read 2 more answers
Given f(x)=sec x and g(x)=arcsin x, what is f(g(x))?
Dominik [7]

Answer:

Option 1 is correct.

Step-by-step explanation:

Given two functions  f(x)=sec x and g(x)=arcsin x

we have to find f(g(x)).

f(g(x))=sec(arcsinx)=sec A where A=arc(sinx)

As, A=arc(sinx)

⇒ x=sin A=\frac{P}{H}

⇒ P=x and H=1 gives B=\sqrt{1-x^2}

hence, sec A=\frac{H}{B}=\frac{1}{\sqrt{1-x^2}}

hence, f(g(x))=\frac{1}{\sqrt{1-x^2}}

Rationalizing, we get

f(g(x))=\frac{\sqrt{1-x^2}}{1-x^2}

Option 1 is correct.

8 0
3 years ago
I really need help please
Lana71 [14]

Answer:

Step-by-step explanation:

We have two sides; the Adjacent and the Hypotnuse

Meaning we will use Cos

Cos = A/H

Cos X = 16/19

Use the inverse of Cos to find the angle

X = cos-1 (16/19)

X = 0.45499141546

X = 0.45

6 0
3 years ago
Sixty percent of the days in the desert were hot and dry. Out of the 365 days, how many were hot and dry?
NeTakaya
<span>Sixty percent of the days in the desert were hot and dry. Out of the 365 days, how many were hot and dry? 

Solution is simple.

There are 365 days and 60% of those are hot and dry. What is 60% of 365?
365 x  .60 = 219
</span>
6 0
3 years ago
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