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3 years ago

Use the scale factor to find the length of the image.

1 answer:

4 0

You have that the scale factor is 8 and the length of the figure is 10 yards. Therefore, to solve this exercise, and calculate the length of the image, you must follow the proccedure below:

1. If the scale factor is 8, this means that lenght of the image is 8 times bigger.

2. Keeping this on mind, you only have to multiply 8 by 10 yards, as below:

Length of the image=8x10 yards
Length of the image=80 yards

3. Therefore, the answer is the option C:

C. 80 yd

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Express (1-2i) second power in the form a+bi

Zigmanuir [339]

$\bf (1-2i)^2\implies (1-2i)(1-2i)\implies 1-2i-2i+(2i)^2 \\\\\\ 1-4i+(2^2i^2)\implies \stackrel{\textit{recall }i^2=-1}{1-4i+(4\cdot -1)}\implies 1-4i-4\implies \boxed{-3-4i}$

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4 years ago

What is the area of a regular octagon with 12 as each side. Round to nearest hundredth.

daser333 [38]

<span>695.29 is the area of a octagon with a area of 12 as each side.</span>

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4 years ago

A hypothesis test is conducted at the 5 percent level of significance to test whether the population correlation is zero. If the

Nonamiya [84]

Answer:

Which is the output of the formula =AND(12>6;6>3;3>9)?

TRUE

FALSE

Step-by-step explanation:

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3 years ago

.55 of a box of chocolate are dark chocolate,0.3 are milk chocolate and the rest are white chocolate. There are 138 pieces more

lyudmila [28]

Answer: there were 345 pieces of chocolate in the box.

Step-by-step explanation:

Let x represent the number of pieces of chocolate there in the box.

0.55 of a box of chocolate are dark chocolate. This means that the number of dark chocolate in the box is 0.55x

0.3 are milk chocolate. This means that the number of milk chocolate in the box is 0.3x

The rest are white chocolate. This means that the number of white chocolate in the box is x(1 - 0.55 - 0.3) = 0.15x

There are 138 pieces more dark chocolate than white chocolate. This means that

0.55x - 0.15x = 138

0.4x = 138

x = 138/0.4

x = 345

3 0

4 years ago

6. What is the slope of the line given by the equation y = 4x +12?

quester [9]

Answer:

Step-by-step explanation:

y = 4x + 12

In y = mx+b

The coefficient of x (m) is the slope.

So the slope is 4

8 0

3 years ago

Read 2 more answers