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lubasha [3.4K]
3 years ago
15

2 sin^2(x) + 3sin(x) + 1 - 0 in radians

Mathematics
1 answer:
alexira [117]3 years ago
7 0
This was a quadratic formula
sin is the y value
here is me solving it

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Plz help if you can!!!!!!!!!!
eduard

Answer:  The two triangles are similar because the angles are congruent.

Step-by-step explanation: If you add the given measures of the angles given, then subtract from 180, the remainder is equal to the measure of the angle given for the other triangle.

180 - (103 + 22) = 55

180 - (22 + 55)  = 103

So both triangles have the same angle measurements.

8 0
3 years ago
if selina 8% commission on sales.on one sale,her commission was $20.40.what was the amount of that sales
Art [367]

Answer:

255

Step-by-step explanation:

8

20.40

=

100

x

%

$

8

x

=

20.40

×

100

x

=

20.40

×

100

8

x

=

$

255

Method 2:

20.40 x

% you want

% you've got

20.40

×

100

8

=

$

255

5 0
4 years ago
Find the new price for the markdown. Round to the nearest cent if necessary. $12.99 marked down 25%
Y_Kistochka [10]
$9.74

I like to do these equations backwards and multiply the first number by the opposite of it. ( think 1- the percent as a decimal) however, you can do this by converting the percent into a decimal and then subtracting that from the original number.

Have a great day!
8 0
3 years ago
Compare 2/5 and 1/4
elena-14-01-66 [18.8K]

Answer:

2/5 > 1/4

Step-by-step explanation:

2/5 = 4/10 = 0.4

1/4 = 0.25

0.4 > 0.25

2/5 > 1/4

8 0
3 years ago
Read 2 more answers
32 ounces of maple syrup for $3.99 OR 48 ounces of syrup for $4.99
Ratling [72]
For 3.99 each ounce is 12 cents an ounce while the 48 ounce is 10 cents an ounce. So I think it would be the 48 ounce please mark brainliest
6 0
4 years ago
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