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3241004551 [841]
3 years ago
14

This is another prodigy question so please help

Mathematics
1 answer:
GarryVolchara [31]3 years ago
6 0

Answer:

918

Step-by-step explanation:

i know it

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Match equal dominoes write true sentences
Furkat [3]
I think this is the answer to what u  r trying to say: so u would take one domino ex.) top:5 bottom: 8. u would match that with true sentences by doing the top number plus the bottom number. ex.) 5 + 8 = 13. 
4 0
3 years ago
Please help with this question.
barxatty [35]

Answer:

Step-by-step explanation:

The first thing we have to do is find the measure of angle A using the fact that the csc A = 2.5.

Csc is the inverse of sin. So we could rewrite as

\frac{1}{sinA}=2.5 or more easy to work with is this:

\frac{1}{sinA} =\frac{2.5}{1}

and cross multiply to get

2.5 sinA = 1 and

sinA=\frac{1}{2.5} which simplifies to

sin A = .4

Using the 2nd and sin keys on your calculator, you'll get that the measure of angle A is 23.58 degrees.

We can find angle B now using the Triangle Angle-Sum Theorem that says that all the angles of a triangle have to add up to equal 180.  Therefore,

angle B = 180 - 23.58 - 90 so

angle B = 66.42

The area of a triangle is

A =\frac{1}{2}bh where h is the height of the triangle, namely side AC; and b is the base of the triangle, namely side BC. To find first the height, use the fact that angle B, the angle across from the height, is 66.42, and the hypotenuse is 3.9.  Right triangle trig applies:

sin(66.42)=\frac{h}{3.9} and

3.9 sin(66.42) = h so

h = 3.57

Now for the base.  Use the fact that angle A, the angle across from the base, measures 23.58 degrees and the hypotenuse is 3.9. Right triangle trig again:

sin(23.58)=\frac{b}{3.9} and

3.9 sin(23.58) = b so

b = 1.56

Now we can find the area:

A=\frac{1}{2}(1.56)(3.57) so

A = 2.8 cm squared

3 0
3 years ago
HELP ME PLEASE MATH <br> Which graph represents the following system of inequalities?
Mekhanik [1.2K]

y > 5x-1, because it is just a greater than sign, the shaded area would be to the left of a dotted line.

y ≤ x +3, because the sign is less than or equal to, the line is solid and the shaded area would be to the right.

Combine the shaded areas would make Graph B. the correct answer.

8 0
3 years ago
Use Disruptive Property -9(3x + 7y - 8)
JulijaS [17]

Answer:

= -27x-63y+72

Step-by-step explanation:

if you need an explanation, let me know

i hope this helps :)

8 0
3 years ago
How do i solve for x?
ziro4ka [17]
Is there a give area for the triangle?
4 0
3 years ago
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