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3 years ago

What is the value of y? Someone please help asap

Mathematics

2 answers:

loris [4]3 years ago

8 0

The answer is 60, a triangle has to add up to 180 degrees.

OLga [1]3 years ago

3 0

The answer is 60 cause 60 plus 60 equal 120 than u subtract that by 180 u get 60

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4. If f(x) = 2x + 4y and g(x) = 2x2 -3x + 6y, find g(x) – f(x)

laiz [17]

9514 1404 393

Answer:

B. 2x^2 -5x +2y

Step-by-step explanation:

Substitute the given expressions and collect terms.

g(x) -f(x)

= (2x^2 -3x +6y) -(2x +4y)

= 2x^2 -3x +6y -2x -4y

= 2x^2 -5x +2y . . . . . . . . . . matches choice B

4 0

3 years ago

What is the volume of a sphere with a diameter of 3.2 m, rounded to the nearest tenth

frez [133]

Answer:

Volume of a sphere = 17.164 m³ (Approx)

Step-by-step explanation:

Given:

Diameter of a sphere = 3.2 m

Radius of a sphere = Diameter / 2 = 3.2 / 2 = 1.6 m

Find:

Volume of a sphere = ?

Computation:

$Volume\ of\ a\ sphere =\frac{4}{3}\pi \times r^3 \\\\Volume\ of\ a\ sphere =\frac{4}{3}\times \frac{22}{7} \times (1.6)^3 \\\\Volume\ of\ a\ sphere =\frac{4}{3}\times \frac{22}{7} \times 4.096\\\\Volume\ of\ a\ sphere =17.164$

Volume of a sphere = 17.164 m³ (Approx)

4 0

3 years ago

a barge can safely haul no more than 400 tons across the river. the barge has an empty weight of 24 tons. the average weight of

Vaselesa [24]

Answer:

The barge can carry up to 94 railroad cars.

Step-by-step explanation:

Create an inequality to represent the weight of the barge to the max weight.

24 + 4r ≤ 400

Solve for r:

4r ≤ 400 - 24

4r ≤ 376

4r ≤ 376/4

r ≤ 94

6 0

3 years ago

Which fraction would make this equation true 5×?=6 1/4

Blizzard [7]

The answer is 1 1/4.

4 0

3 years ago

Do you think a polynomial can be a factor of another polynomial?

Vladimir [108]

Answer:

Yes

Step-by-step explanation:

Example

x+2 is a factor of 2x+4.

2(x+2) = 2x+4.

6 0

3 years ago