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Pavel [41]
3 years ago
12

Help help help please hurry

Mathematics
2 answers:
7nadin3 [17]3 years ago
6 0

formulas for volume..maybe...

Amiraneli [1.4K]3 years ago
3 0

Answer:

1st is a cilinder

2nd is a sphere

3rd is a rectangle

4th is a cone

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Solve for k.<br> 6k - 8 = 4K + 15
Brut [27]

Hi,

Answer:

k = \frac{23}{2}

Step-by-step explanation:

Subtract 4k from both sides

6k - 4k = 2k

2k - 8 = 15

Add 8 on both sides (you want to get rid of the 8 in order to leave the k alone)

2k = 23

k = 23/2

Have a good day!

4 0
3 years ago
Read 2 more answers
1.Draw Angle POQ of measure 75° and find its line of symmetry<br><br> Pls answer with steps
Butoxors [25]

Step-by-step explanation:

you need too look somewhere else

8 0
2 years ago
Find the translation rule and the scale factor of the dilation that transforms Ol to Ol'.
lisov135 [29]

Answer:

  C  (x, y) -> (x + 7, y + 8); scale factor = 3

Step-by-step explanation:

The translation can be found by subtracting the coordinates of the original center from those of the center of the image. The scale factor will be the ratio of the radii.

__

<h3>translation</h3>

We note the center coordinates are I(-3, -6) and I'(4, 2). Then the translation is ...

  I' -I = (4, 2) -(-3, -6) = (4 +3, 2 +6) = (7, 8)

  (x, y) ⇒ (x +7, y +8)

<h3>scale factor</h3>

The radius of each circle can be found by counting the grid squares from the center to the circle. It works best to do this along a horizontal or vertical line.

The radius of circle I is 2; the radius of circle I' is 6. The scale factor is ...

  scale factor = 6/2 = 3

4 0
2 years ago
He system of equations below has no solution.
vesna_86 [32]

a linear combination can be:

(a + b)*(4x + 15y) = a*12 + b*15

<h3>How to solve the given system of equations:</h3>

Here we have the system of equations:

(2/3)*x + (5/2)*y = 15

4x + 15y = 12

To solve the system of equations, we first need to isolate one of the variables in one of the equations, I will isolate x on the second equation.

4x = 12 - 15y

x = (12 - 15y)/4

Now we can replace that in the other equation:

(2/3)*x + (5/2)*y = 15

(2/3)* (12 - 15y)/4 + (5/2)*y = 15

Now we can solve that for y.

2 - (10/4)*y + (5/2)*y = 15

2 = 15

That is a false equation, then we conclude that the system of linear equations has no solutions.

This means that the two lines are parallel lines, then a linear combination can be:

(a + b)*(4x + 15y) = a*12 + b*15

Where a and b are two real numbers.

If you want to learn more about systems of equations:

brainly.com/question/13729904

#SPJ1

8 0
2 years ago
Carmen reads a book at a rate of 26 Chapters perhour how many chapters does she read in 2 hours ?
svet-max [94.6K]

Answer:

52 Chapters

Explanation:

26 chapters for every 1 hour

26 chapters (1 hour) + 26 chapters (1 hour) = 52 chapters (2 hours)

4 0
3 years ago
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