3 years ago

Which expression is equal to (2+2)(1-4)/(3–4)(+4)

Mathematics

2 answers:

Serggg [28]3 years ago

5 0

Answer:

Step-by-step explanation:

2 + 2 is 4, 1 - 4 is -3, 3 - 4 is -1 and +4 is 4 if you multiply these together, you will get 48.

ch4aika [34]3 years ago

5 0

48 is the correct answer

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Use the diagram below to find the value of each variable.

s2008m [1.1K]

Z=95° as opposite angles are equal
The angle next to 120° is 60° as angles on a straight line sum to 180°
This means that y=25° because angles in a triangle sum to 180°
Therefore x=155° as angles on a straight line sum to 180°

8 0

2 years ago

Find the cosine of angle B.

Alexandra [31]

$\boxed { \text {Cosine Rule : } a^2 = b^2 + c^2 - 2bc \cos(A) }$

9² = 12² + 15² - 2 (12) (15) cos (B)

81 = 144 + 225 - 360 cos(B)

81 = 369 - 360 cos (B)

360 cos (B) = 369 - 81

360 cos (B) = 288

cos (B) = 0.8

Answer: Cosine B = 0.8

$\boxed { \text {Cosine Rule : } a^2 = b^2 + c^2 - 2bc \cos(A) }$

12² = 15² + 9² - 2 (15)(9) cos (A)

144 = 225 + 81 - 270 Cos A

144 = 306 - 270 Cos A

270 Cos A = 162

Cos A = 3/5 or 0.6

Answer: Cosine Angle A = 3/5

4 0

2 years ago

Which answer is an equation in point-slope form for the given point and slope? Point: (1,9); Slope:5

JulijaS [17]

I think ur right dood..lol good luck ;)

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2 years ago

Read 2 more answers

Solve for w, simplify your answer as much as possible

Akimi4 [234]

Answer:

W=3

Step-by-step explanation:

(6w + 4w)/48=5/8(taking lcm)

6w+4w=5/8*48

10w=30

W=3

Thanks for putting qsn, makes me remember this againa

6 0

2 years ago

Three less than 5 times a number is less than or equal to 12. If the number is a whole number, what could the number be?:

PIT_PIT [208]

Answer:

Step-by-step explanation:

4x2=8

5x2=10

6x2=12

This answer is the closest to 12 but it doesn't go over 12, so this is less than or equal to 12

8 0

3 years ago