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stiks02 [169]
3 years ago
6

How many steps are there in the problem-solving process

Mathematics
1 answer:
Alex73 [517]3 years ago
8 0

Answer:

Step-by-step explanation: There are four steps

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What is the length of PR
BartSMP [9]

Answer:

B 7

Step-by-step explanation:

Since the triangles are similar by AAA

We can use ratios to find the length x (which is PR)

5                 15

-------- = ------------

x               21


Using cross products

5 * 21 = 15 *x

Divide each side by 15

5/15 * 21 = 15x/15

1/3 * 21 =x

7 =x

3 0
4 years ago
Read 2 more answers
a 10-kg object traveling at 6 m/s collides head on with a 2-kg object at rest. What is the total momentum of the system after th
Neko [114]

Answer:

M1V1i+M2V2i=(M1 + M2)vf

(10)(6)+(2)(0)=(10+2)vf

60=12vf

60÷12 =12vf÷12

5=vf

::Vf=5ms-1 to the right

7 0
3 years ago
HELP WORTH 15 POINTS
Dafna1 [17]

Answer:

The total surface area is 140.4

Step-by-step explanation:

If we start with the larger surfaces on the top and bottom, we can find both of their surfaces by multiplying 4 by 6.5.

4*6.5=26. Since there are 2 of these surfaces, we can multiply 26 by 2 to get 52.

Then, we can find the surface area of the sides by multiplying 6.5 by 3.4.

6.5*3.4=22.1 Since there are four of these surfaces, we can multiply 22.1 by 4 to get 88.4.

Now, all we have to do is add them together.

52+88.4=140.4

The total surface area is 140.4

Hope this helps! :D

8 0
3 years ago
Which expression is equivalent to 9x − 2x + 3 and why? (1 point)
const2013 [10]

Answer:

Option D, 3 + 7x

Step-by-step explanation:

<u>Step 1:  Combine Like Terms</u>

9x - 2x + 3

(9x - 2x) + 3

<em>7x + 3</em>

<em />

Answer:  Option D, 3 + 7x

3 0
4 years ago
Read 2 more answers
consider the image of triangle ABC for the translation (x,y) to (x+4,y-2) what is the ordered pair of C?
Serga [27]

The ordered pair for point C is option C. (3, 2).

Step-by-step explanation:

Step 1:

For this translation, (x, y) becomes (x + 4, y - 2).

This means the values of x are added with 4 and the y values are subtracted by 2.

The points of the triangle ABC are A (2, 4), B (2, 1), and C (3, -2).

Step 2:

Now we determine the ordered pairs after translation.

For A (2, 4). x = 2 + 4 = 6, y = 4 - 2 = 2, So A becomes (6, 2).

For B (2, 1). x = 2 + 4 = 6, y = 1 - 2 = -1, So B becomes (6, -1).

For C (-1, 0). x = -1 + 4 = 3, y = 0 - 2 = -2, So C becomes (3, -2).

So the ordered pair of C is (3, -2) which is option C.

5 0
3 years ago
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