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VMariaS [17]
4 years ago
5

Can someone help me with this please

Mathematics
1 answer:
miss Akunina [59]4 years ago
4 0

Answer:

a=100.

Step-by-step explanation:

We know that b and the other angle equal 40. So if you add those two up, they equal 80.  We also know that all angles in a triangle add up to 180.

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All ratios equivalent to 3:4
MArishka [77]
What is the question?
6 0
4 years ago
Heyo, could you help me? thank you
devlian [24]

Answer:

A system of linear equations can have no solution, a unique solution or infinitely many solutions. A system has no solution if the equations are inconsistent, they are contradictory. for example 2x+3y=10, 2x+3y=12 has no solution. is the rref form of the matrix for this system.

Step-by-step explanation:

3 0
3 years ago
Please all answers I'm in a hurry
givi [52]
#2 is 35°C (just plug in 95 to the formula)

#3:
in the left column are:
(8x-(6+y))
(3/4)w+x^2

in the right column are:
y^2-0.5w
w/4+3(x+y)

to solve you just plug in to the formula
6 0
4 years ago
The second hand of an analog clock completes an entire rotation in 60 seconds, and the length of the seconds hand is 8 inches. a
g100num [7]
Circumcerence = distance travelled in one full rotation = 2 x π x 8 = 16π

for 2 minutes and 15 seconds,
multiply 16π by 2.25 as 2 minutes is twice the distance of one rotation and 15 seconds is a quarter more

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3 0
4 years ago
What is the answer ,and how do you solve it .please help
xz_007 [3.2K]

Answer:

10

Step-by-step explanation:

2000/ 2x = 10

Multiply each side by 2x

2000/ 2x = 10 *2x

2000 = 20x

Divide by 20

2000/20 = 20x/20

100 = x

Take the square root of each side

sqrt(100) = sqrt(x)

10 = sqrt(x)

5 0
3 years ago
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