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3 years ago

During a checkers game, there are 16 pieces left. The ratio of a black to red is 3 : 5. How many black pieces are in the board?

Mathematics

1 answer:

zaharov [31]3 years ago

6 0

6 youreeeeeeeeee welcome bestieeeeeee

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In ΔTUV, m∠T = (10x+14) , m∠U = (x-7) , and m∠V = (2x+4). Find m∠U.

Elis [28]

Answer:

6 degrees

Step-by-step explanation:

In ΔTUV, m∠T = (10x+14) , m∠U = (x-7) , and m∠V = (2x+4). Find m∠U.

We know that the sum of all the angles is 180

Hence

m∠T + m∠U + m∠V = 180

(10x+14) + (x-7) +(2x+4) =180

10x+14+x-7+2x+4 =180

13x+11=180

13x=169

x=13

m∠U = (x-7)

=13-7=6

8 0

3 years ago

Write all trigonometric values

elena-s [515]

Answer:

Step-by-step explanation:

$\theta$ 0° 30° 45° 60° 90°

$Sin \theta$ $0$ $\frac{1}{2}$ $\frac{\sqrt{2}}{2}$ $\frac{\sqrt{3} }{2}$ $1$

$Cos \theta$ $1$ $\frac{\sqrt{3} }{2}$ $\frac{\sqrt{2} }{2}$ $\frac{1}{2}$ $0$

$Tan \theta$ $0$ $\frac{1}{\sqrt{3} }$ $1$ $\sqrt{3}$ ∞

4 0

3 years ago

Read 2 more answers

What is the measure of each exterior angle of a decagon?

NemiM [27]

The sum of all of the exterior angles of any regular polygon is 360 (I'm assuming by decagon you mean a regular dodecagon).

Because the total has to be 360, and a decagon has 10 sides, you divide 360 by 10 to get each exterior angle.

360 ÷ 10 = 36, so each exterior angle of a decagon is 36 degrees.

3 0

4 years ago

A retangle has a perimeter (p) of 58 inches. The length (L) is one more than 3 times the width (W)

worty [1.4K]

The rectangle has a perimeter P of 58 inches.The length l is one more than 3 times the width w.write and solve a system of linear equations to find the length and width of the rectangle?

Answer:

Length(L)=22 inches

Width(W) = 7 inches

Step-by-step explanation:

GIven:-

Perimeter (p)=58 inches,

Length(L)= one more than 3 times the width(W)

Let, W=x ---------------------------------(equation 1

$L=3x+1$ -----------------------(equation 2)