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3 years ago

What is the measure of arc ECF in circle G? 52° 98° 158° 177°

Mathematics

1 answer:

max2010maxim [7]3 years ago

3 0

Answer: 98 is the answer

Step-by-step explanation:

its just 98

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an image of a book shown on a website is 1.5 inches wide and 3 inches tall on a computer monitor. The actual book is 9 inches wi

Natalka [10]

Answer: 6!

Step-by-step explanation:

9 / 1.5 = 6. To make sure, 1.5 x 6 = 9

This shows that it is scaled up 6 times larger.

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2 years ago

Read 3 more answers

Is triangle A'B'C' a dilation of triangle ABC? Explain.

tresset_1 [31]

C.No, it is not a dilation because the points of the image are not moved away from the center of dilation proportionally.

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3 years ago

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G(x)=3x+3 h(x)=-4x+ (g+h)(10)

lisabon 2012 [21]

Answer: (10x + 30)

Step-by-step explanation:

1. combine like terms. -4x + 3x = -x

2. you can’t have a negative x, so you would multiply the equation (-x+3) by -1, to get (x-3).

3. (x-3)(10)... 10 • x = 10x, 10 • 3 = 30.

4. put them together, answer would be 10x + 30.

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2 years ago

When Klorina swims with the current, she swims 10 km in 2 h. Against the current, she can swim only 8 km in the same time. How f

nasty-shy [4]

Answer:

Klorina's rate in still water is 4.5 km/h

Current's rate is 0.5 km/h

Step-by-step explanation:

Let

x km/h = Klorina's rate in still water

y km/h = current's rate

With the current (current helps):

Distance = 10 km

Time = 2 hours

Rate = x + y km/h

$10=2(x+y)$

Against the current:

Distance = 8 km

Time = 2 hours

Rate = x - y km/h

$8=2(x-y)$

Divide both equations by 2:

$x+y=5\\ \\x-y=4$

Add these equations:

$x+y+x-y=5+4\\ \\2x=9\\ \\x=4.5\ km/h$

Subtract these two equations:

$(x+y)-(x-y)=5-4\\ \\x+y-x+y=1\\ \\2y=1\\ \\y=0.5\ km/h$

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2 years ago

There are 24 balls in gym class. The ratio of basketballs to soccer balls is 2:4. How many basketballs are there? How many socce

Serjik [45]

There is 24 basketballs and 48 soccer balls

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2 years ago