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2 years ago

Combine like terms in 5m2+16k2+13m2

Mathematics

2 answers:

wlad13 [49]2 years ago

8 0

18m² + 16k² is the expression simplified

IrinaVladis [17]2 years ago

3 0

Add 5m^2 and 13m^2 to get 18m^2
16k^2+18m^2

If this helped please give stars and a thanks ^.^ much appreciated!

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Heres another math problem

MrRissso [65]

Answer:

$\therefore x=50\°$

Step-by-step explanation:

Let the angle between $2x$ and 150° be = b°

$150\°+b\°=180\°$ [ Forming a linear pair of angles]

Solving for $b$ by subtracting both sides by 150.

$150+b-150=180-150$

∴ $b=30\°$

$50\°+2x+b\°=180\°\\$ [Angle lying on a straight line add up to 180]

Plugging in $b=30\°$

$50+2x+30=180\\2x+80=180$

Solving for $x$ by

subtracting both sides by 80.

$2x+80-80=180-80\\2x=100$

then dividing both sides by 2.

$\frac{2x}{2}=\frac{100}{2}\\\\\therefore x=50\°$

4 0

2 years ago

Read 2 more answers

Help help help help help

Vikki [24]

What is the question?

8 0

2 years ago

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Suppose △ABC has exterior angle at vertex B. The exterior angle is (12x−24)°, m∠A=(3x−6)°, and m∠C=(6x+12)°. What is the measure

Temka [501]

Answer: 96°

Step-by-step explanation:

If a triangle is being drawn, Angle A and C will be the two remote interior angles in the triangle. The sum of the two interior angles has to equal to the exterior angle.

Set them equal each other and solve for x.

(3x-6) + (6x +12) = 12x - 24 Combine like terms

9x + 6 = 12x - 24 Subtract 6 from both sides

- 6 -6

9x = 12x - 30 Subtract 12x from both sides

-12x -12x

-3x = -30 Divide both sides by -3

x = 10

Now since x is 10 degrees we will need to input the value into in for x in the exterior angle expression and break it down.

Exterior : 12(10) - 24

120 - 24 = 96

This means the measure of the exterior angle at vertex B is 96 degrees.

6 0

2 years ago

For a circle with a diameter of 6 meters, what is the measurement of a central angle (in degrees) subtended by an arc with a len

Sholpan [36]

Answer:

$\boxed{\boxed{\theta=150^{\circ}}}$

Step-by-step explanation:

We know that,

$\text{Arc length}=r\cdot \theta$

where,

r = radius,

θ = central angle in radian.

Given,

diameter = 6 m, so radius = 3 m.

$\text{Arc length}=\dfrac{5}{2}\pi$

Putting the values,

$\Rightarrow \dfrac{5}{2}\pi=3\theta$

$\Rightarrow \theta=\dfrac{5}{2\times 3}\pi$

$\Rightarrow \theta=\dfrac{5}{6}\pi=\dfrac{5}{6}\times 180^{\circ}=150^{\circ}$

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3 years ago

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Ricardo paid $15 for 4 pounds of almonds. At this price, how much would he pay for 10 pounds of

vampirchik [111]

I know the answer is 37.5

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2 years ago