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Blizzard [7]
3 years ago
15

Please help me with these questions. Ill mark brainliest to whoever answers correctly!!

Mathematics
1 answer:
LUCKY_DIMON [66]3 years ago
5 0

Answer:

see below

Step-by-step explanation:

3(i)\\\\AD=?\\\\\cos (\angle BDA)=\frac{AD}{BD}\\\\\cos (27)=\frac{AD}{3}\\\\AD=3\cos 27\\\\AD\approx 2.67

3(ii)\\\\\sin (\angle BCD) = \frac{BD}{CD}\\\\\sin(41)=\frac{3}{CD}\\\\CD=\frac{3}{\sin 41}\\\\CD\approx 4.57

I'm sorry but i have to go I'll come back in half an hour and finish answering

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PLEASE HELPP!<br> A square has an area of 5.76cm². Find the perimeter of the square
nikdorinn [45]
The ar. of square =X^
=5.76
So,X=√5.76
=2.4
now, perimeter of square =4(X)
=4(2.4)
=9.6
So, the perimeter of the square is 9.6cm..

Thanks!

Hope it helps you..
4 0
3 years ago
Which of these are examples of a statistical question's?
viktelen [127]

Answer:

See below for answers and explanations

Step-by-step explanation:

A is not a statistical question because there's only a specific value of computers in the lab

B is not a statistical question because there is only one answer, which is 9 letters

C is a statistical question because members can have different favorites (or they find it hard to choose one).

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4 0
2 years ago
Write an expression that can be used to multiply 6x198 mentally
Black_prince [1.1K]
6(100+90+8) is the equation
6x100 =600
  6x90 =540
    6x8  = 48
             1,188 is the answer                                      



7 0
4 years ago
Read 2 more answers
Simplify the expression where possible.(-4 x^2 )^2
Oduvanchick [21]

Answer:

16x^{4}

Step-by-step explanation:

(a^{m})^{n}=a^{m*n} \\\\\\    and   (a*b)^{m}= a^{m}*b^{m}

(-4x^{2})^{2} = (-4)^{2} *(x^{2})^{2}\\\\\\=16 * x^{2*2}\\\\=16x^{4}

6 0
4 years ago
Solve for x when x/12=600. X=
Neko [114]

Answer:

7200

Step-by-step explanation:

x/12=600

so, x=12*600 = 7200

4 0
3 years ago
Read 2 more answers
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