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3 years ago

Examine the rotation. Which best describes point D?

Mathematics

2 answers:

MAVERICK [17]3 years ago

8 0

Answer:

center of rotation

Step-by-step explanation:

it looks like a 90 degree rotation of the triangle around point D

image and pre-image don't make sense and it isn't an angle so this was the best option.

Anna007 [38]3 years ago

6 0

Answer:

center

Step-by-step explanation:

the shapes rotate around D

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Please help me out thank you so much whoever does !!

morpeh [17]

Answer:

62°

Step-by-step explanation:

A right angle is 90 degrees, so we'd do 90 - 28 = 62

hope this helps!

3 0

3 years ago

Find the product of 21 and (6.3 • 10-4)

mrs_skeptik [129]

It would be: 21 * (6.3 * 10⁻⁴)
= 132.3 * 10⁻⁴
= 1.323 * 10⁻²

In short, Your Answer would be: 1.323 * 10⁻²

Hope this helps!

5 0

4 years ago

An athlete eats 75g of protein per day while training. How much protein will she eat during 25 days of training? Write your answ

polet [3.4K]

$75 \times 25 = 1875$
The answer is 1.875 kilograms

4 0

3 years ago

Read 2 more answers

the slope of the line below is -3. use the coordinates of the labeled point to find a slope-point equation of the line. (5,-7)

HACTEHA [7]

$\bf (\stackrel{x_1}{5}~,~\stackrel{y_1}{-7})~\hspace{10em} slope = m\implies -3 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-(-7)=-3(x-5) \\\\\\ y+7=-3x+15\implies y=-3x+8$

5 0

3 years ago

What is the first step to solve the following system of equations using substitution?

Akimi4 [234]

Answer:

Step 1: Solve one of the equations for one of the variables. Let's solve the first equation for x

Thus, option A) is true.

The solution to the system of equations be:

$x = 4, y = 5$

Step-by-step explanation:

It is important to remember that when we solve the system of equations, the first step we need to do is to solve one of the equations for one of the variables.

Given the system of equations

$x - y = -1$