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STatiana [176]
2 years ago
6

Find cos b in the triangle

Mathematics
1 answer:
monitta2 years ago
7 0

Answer:

okay I need help please

Step-by-step explanation:

find cos b in the triangle

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What is the result of subtracting the second equation from the first? \begin{aligned} -7x-y &= 0 \\\\ 7x+8y &= -6 \end{a
Kitty [74]

Answer:

-14x-9y=6

Step-by-step explanation:

We are given with two equations

first equation is  -7x-y=0

second equation is

7x+8y=-6

we find the result of subtracting two equation

subtract the second equation from the first, so

first equation - second equation, multiply second equation by -1  and then add it with first equation

-7x-y=0

-7x-8y=+6

Now add both equations, we get

-14x-9y=6

3 0
3 years ago
A clothing store sold 4 times as many sweaters as coats. The difference in the sales was 300. How many of each were sold?
slava [35]
Sweater = 400
coats = 100
difference= 300
in an equation it would be
4x-x=300
so
3x=300
x=100
sweaters= 4x= 400
coats= x= 100
5 0
3 years ago
What is twenty six million four hundred five thousand twenty in standard form?
andrew-mc [135]

Answer:

26,405,020

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is the percent error in using 3.14 as an approximation of pi
inessss [21]
Pi is an irrational number meaning it has no end, 3.14 is just an estimate which means that it is not accurate.
5 0
2 years ago
What is the surface area of a sphere with radius 4?
mario62 [17]

Answer: 64 units

Step-by-step explanation:

Remember, the formula to find surface area given radius is 4\pi r^2. Let's add in the given information:

4pi4^2 =

4pi16

64pi!

Hope this helps, please consider making me Brainliest.

5 0
1 year ago
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