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Lina20 [59]
3 years ago
8

Quick need answer!!!!!!

Mathematics
2 answers:
xxTIMURxx [149]3 years ago
8 0

Answer:

75.5°

Step-by-step explanation:

Cos(A) = 2/8 = 0.25

A = 75.52248781

hammer [34]3 years ago
3 0

Answer:

A = 75.5

Step-by-step explanation:

\cos(a)  =  \frac{2}{8}  \\  \cos(a)  =  \frac{1}{4}   \\ a = 75.5

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What is the surface area of the cube?(please and put your answer as a number without a unit.)
Vikentia [17]

Answer:

Step-by-step explanation:

Total surface area of cube = a^3

here , a = 11 cm

So surface area of the cube = a^3

= 11^3

=1331 cm^3

Hope this helps

Plz mark it as brainliest

5 0
3 years ago
Consider ΔWXY and ΔBCD with ∠X ≅∠C, WX ≅ BC, and WY ≅ BD.
LenKa [72]

Answer:- B. No, because the corresponding congruent angles listed are not the included angles.


Explanation:-

Given:- ΔWXY and ΔBCD with ∠X ≅∠C, WX ≅ BC, and WY ≅ BD.

Now, look at the attachment

We can see that ∠X and ∠C are not included angles by the corresponding equal sides.

⇒ We cannot use SAS postulate to show ΔWXY ≅ ΔBCD .

⇒ B is the right option.

SAS postulate tells the if two sides of a triangle and their included angle is equal to the two sides of a triangle and their included angle of another triangle then the two triangles are congruent.

5 0
3 years ago
Read 2 more answers
Complete the square for the equation.<br> 14. x2 + 4x + 5 = 0
andreev551 [17]

Answer:

(x+2)^2=-1

Step-by-step explanation:

Yall have a great day!!!!!! Don't Forget to Rate my answer

8 0
3 years ago
You have 5/6 cup of cocoa in your cupboard. A recipe for cookies calls for 2/5 cup of cocoa. How much cocoa would you have left
bixtya [17]
5/6-2/5= 13/30 .........
7 0
3 years ago
What is the domain and range? <br><br> {(-7,5), (-6,1), (-5,0), (-4,1)}
Monica [59]
The Domain is the first number of the pair
D= -7, -6, -5, -4
The Range is the second number of the pair
R= 5, 1, 0, when a number repeats like the number one you can put it once.


8 0
4 years ago
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