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NNADVOKAT [17]
3 years ago
8

What statement is true?

Mathematics
2 answers:
expeople1 [14]3 years ago
6 0
(A) because a right angle is 90 degrees and has a equal eqivalent to get to 100
Lana71 [14]3 years ago
6 0

Answer:

Option A is true

Step-by-step explanation:

Consider a right triangle ABC right angled at B.

Then we have A+C=90 since sum of all 3 angles =180

A and C are complementary

A has opposite side as BC and hypotenuse as AB

sin A = BC/AB

Consider angle B.

B has adjacent side as BC and hypotenuse as AB

So cos B = BC/AB

i.e. sin A = cos B

Hence we have option A to be true.

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Which statements are true regarding the area of circles & sectors? Check all that apply.
Fynjy0 [20]

Answer:

4pi r

Step-by-step explanation:

7 0
2 years ago
Is the ordered pair
FrozenT [24]

Answer:

no, because for x=-3, y would have to be -31

Step-by-step explanation:

boy oh boy (or girl oh girl) - you wrote this in a horrible, horrible format.

I can only guess what your problem and the fitting answer would be.

y = -2×x^2 + 3×x - 4

-4 = -2×(-3)^2 + 3×(-3) - 4

-4 = -2×9 - 9 - 4

-4 = -18 - 9 - 4

-4 = -31

and that is wrong. for (-3,-4) to be on the graph of the function, y would have to be -4 when using x=-3 in the function. but y = -31 for x= -3.

8 0
3 years ago
Ragon, who lives on this planet, does a survey and finds that her colony of 237 contains 45 black-footed, one-headed Mizjigs; 69
Gemiola [76]

The answer is <u>A. 98</u>.

Because when you subtract 115 - 45 it equals 70 then you add 70 + 69 which equals 139 then you subtract 237 - 139 it equals <u>98</u> which is your answer!

<h2>      Hope this helps!</h2>
4 0
3 years ago
340 yards increased by 145% is how many yards? Can you please show me how you got your answer.
Studentka2010 [4]
Just turn the percentage to a decimal. 145% becomes 1.45. Then add 1.00 to 1.45. 1 + 1.45 = 2.45

Then multiply. 2.45 * 340 = 833
7 0
3 years ago
D. How much current is passing through each resistor?
Morgarella [4.7K]
D. V=12 R=12
I=V/R so Current = 1 amp

e.3 ohm resistor
V=IR
V=3 V

At the 4 ohm
4 V
And at the 5 ohm
5 volts

f. The voltage drops across the resistors add up to give the voltage supplied by the battery

4

5 0
2 years ago
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