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3 years ago

11

The data for three different relay race runners is represented below. Use the representations of each runner to determine which

runner starts running closest to the starting line.

2 answers:

Pepsi [2]3 years ago

6 0

Answer:

It's C or the third option.

Step-by-step explanation: Edge 2021

Juliette [100K]3 years ago

5 0

Answer:

C.

Explaination:

just did on edge 2021

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Burger joint is celebrating their grand opening. For 2 milkshakes and 3 burgers the cost is $13. For 5 milkshakes and 7 burgers

snow_tiger [21]

Answer:

A milk shake is 2 dollars, a burger is 3 dollars.

Step-by-step explanation:

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3 years ago

Can you find the third angle measure in a triangle, if given the other two angle measures?

valentina_108 [34]

yes. there is an equation.

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3 years ago

Increase £60 by 10% Pls help me xx

Alexus [3.1K]

Answer:

Step-by-step explanation:

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3 0

3 years ago

Read 2 more answers

Solve 3(x - 4) = 11x

Ivanshal [37]

Answer:

$x = \frac{-3}{2}$

Step-by-step explanation:

3(x - 4) = 11x

Expand the brackets:

3x - 12 = 11x

Subtract 3x from both sides to isolate the -12:

3x - 12 = 11x

3x - 3x - 12 = 11x - 3x

-12 = 8x

8x = -12

Divide both sides by 8:

$\\\frac{8x}{8} = \frac{-12}{8}\\x = \frac{-12}{8}\\$

Simplify fraction:

$x = \frac{-12}{8}$

$x = \frac{-12 \div 4}{8 \div 4}\\x = \frac{-3}{2}$

Hope this helps!

7 0

3 years ago

Prove (cosx+cosy)^2+(sinx-siny)^2 = 2+2cos(x+y)

hram777 [196]

<span>Here you go:
1) Applying (a + b)² = a² + b² + 2ab,
(cosx + cosy)² = cos²x + cos²y + 2cos(x)*cos(y) and
(sinx + siny)² = sin²x + sin²y + 2sin(x)*sin(y)

2) ==> (cosx + cosy)² + (sinx + siny)² =
= (cos²x + sin²x) + (cos²y + sin²y) + 2{cos(x)cos(y) + sin(x)sin(y)}
= 2 + 2{cos(x - y)} = 2[1 + cos(x - y)]
= 2*2cos²{(x - y)/2} [Multiple angle identity, 1 + cos(2A) = 2cos²A]
= 4*cos²{(x - y)/2} [Proved]</span>

7 0

3 years ago