2 years ago

Can someone please help me please help me I really need help please help me .

Mathematics

2 answers:

Mariulka [41]2 years ago

5 0

Answer:

$B) sin(\alpha )$

Step-by-step explanation:

$sin(90-0)=Cos(0)$

$Cos(90-0)=sin(0)$

$So...$

$Cos(90-\alpha )= sin(\alpha )$

$------------$

hope it helps...

have a great day!!

pochemuha2 years ago

3 0

Answer:

cos(90°-a)

since it lies in first quadrant

sina

your option is B.sin(a)

You might be interested in

the corresponding side length of two similar polygons are 6cm and 15cm if the area of smaller polygon is 32cm^2 then what is the

I am Lyosha [343]

The answer is 2/4 because you subtract because

3 0

2 years ago

6c+31=4c+13 this question is equation formulae and inequalities

Sergio039 [100]

Answer:

Step-by-step explanation:

6c+31=4c+13

6c - 4c = 13 - 31

2c = -18

c = -9.

6 0

2 years ago

Twice the sum of a number and 11 is 34.

Maru [420]

Answer:

The number is 6.

Solution:

2(x + 11) = 34
=> 2x + 22 = 34
=> 2x = 34 - 22
=> 2x = 12
=> x = 12/2
=> x = 6

Hence, the number is 6.

$BrainiacUser1357$

7 0

2 years ago

(take π=22/7). height of trapezium with parallel sides 6cm and 8cm and 63cm2.

Nataly_w [17]

Answer:

Circumference = 39.6 cm

We know:

Circumference of a circle = 2πr

⇒39.6 =2×

×r⇒

39.6×7

2×22

=r⇒r=6.3 cm

Also,

Area of the circle = πr2

×6.3×6.3=124.74 cm2

Step-by-step explanation:

#CarryOnLearning

5 0

3 years ago

(2x square + x +1) divided by (x+1) with steps

VashaNatasha [74]

Answer:

2x-1+(2/x+1)

Step-by-step explanation:

Eliminate x+1 from the equation by cancelling it out!

Please mark brainliest and feel free to ask more questions!

Have a great day!

3 0

3 years ago

Read 2 more answers