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3 years ago

Can someone explain the directions please, I just really don’t understand what it’s asking me- (repost 3)

Mathematics

1 answer:

algol133 years ago

6 0

Answer:

Based on the information that they give you, prove "this". In your statements, you can use any of the properties of a triangle, then give the name of the property in your reasons.

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Find the value of x.

Marysya12 [62]

Answer:

$x = \frac{15}{8}$

$\\$

Step-by-step explanation:

$\frac{10}{14} = \frac{x}{2x - 3 + x} \\ \frac{10}{14} = \frac{x}{3x - 3} \\ 10(3x - 3) = 14x \\ 30x - 30 = 14x \\ 30x - 14x = 30 \\ 16x = 30 \\ x = \frac{30}{16} \\ x = \frac{15}{8}$

4 0

3 years ago

Write the expression as either the sine, cosine, or tangent of a single angle.

Gnesinka [82]

Note that
sin(x + y) = sin(x) cos(y) + cos(x) sin(y).

Therefore by setting x = π/2 and y = π/7, obtain
sin(π/2 + π/7) = sin(π/2)*cos(π/7) + cos(π/2)*sin(π/7)

The right side is what we want to evaluate. It is equal to
sin(π/2 + π/7) = sin (9/14)π

Answer: $sin( \frac{9 \pi }{14})$

6 0

3 years ago

Geometry help! Will give BRAINLIEST

disa [49]

Ok, so the sum of the angles of a triangle are 180 degrees.

Add the ratios together: 8+3+9 = 20.

The smallest angle is 3/20 * 180, so it has a measure of 27 degrees.

5 0

3 years ago

Read 2 more answers

Harry and Luna together ate 56 Chocolate Frogs. Harry ate 6 more Chocolate Frogs than Luna. How many Chocolate Frogs did Luna ea

shepuryov [24]

Answer: 25 chocolate frogs eaten by Luna

Step-by-step explanation:

let the amount of chocolate frogs eaten by Luna = x

and the amount of chocolate frogs eaten by Harry = 6+ x

Such that total a,mount of chocolate frogs eaten by both of them

= x +( 6+x) = 56

Step 2- Solving

x+6+x=56

6 + 2x= 56

2x= 56-6

2x= 50

x= 50/2

x= 25

x= 25 chocolate frogs eaten by Luna

6 +x= 6+ 25= 31 chocolate frogs eaten by Harry.

4 0

3 years ago

50 people sponsor Paula and she raises a total of $180.65 for charity. 28 people sponsor Kate and she raises a total of $135.60

topjm [15]

Answer:

485.5

Step-by-step explanation:

180.65+135.60+169.25

4 0

2 years ago