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Alexeev081 [22]
3 years ago
13

Solve: 3х + y = 5x-7 when , y = 5 Show your work

Mathematics
1 answer:
Juliette [100K]3 years ago
6 0

Answer: x=6

Step-by-step explanation:

Hope this helps

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Please help find the amount of interior angles in the shape.
gladu [14]

The polygon has 11 sides.

The measure each interior angle is 147.272°.

Solution:

The given shape is a regular polygon.

(a) Number of sides of the polygon = 11

The polygon has 11 sides.

(b) To find the measure of each interior angle:

Each interior angle of a regular polygon

                                    $=\frac{(n-2) \times 180^{\circ}}{n}

                                    $=\frac{(11-2) \times 180^{\circ}}{11}

                                     $=\frac{9 \times 180^{\circ}}{11}

                                     =147.272^\circ

The measure each interior angle is 147.272°.

8 0
4 years ago
What is the relationship between the circumference of a circle and its diameter?
Hatshy [7]
The answer is A to the question
5 0
3 years ago
Read 2 more answers
A probability experiment will consist of selecting one of two stacks of cards, and then choosing a card at random from the stack
postnew [5]

Answer:

The probability that the red card came from the first stack is:

40%

Step-by-step explanation:

a) Data and Calculations:

Stack         Red      Blue   Total

First            6           5         11

Second      9            0         9

Total         15            5       20

The probability of selecting from the first stack = 50% since equal opportunity is given to the two sacks.

The probability of red card from the first stack = 6/15 = 0.4 = 40%.

b) The probability that the red card came from the first stack is given by the number of red cards in the first stack divided by the number or red cards in the two stacks.  This is equal to 6/15 = 0.4 or 40%.

4 0
3 years ago
The figure below was made with a scale of 1 unit =9 m. You can place your figure anywhere on the grid on the right.
Zielflug [23.3K]

Answer & Step-by-step explanation:

I can't draw the image, but I can explain it to you.

Since 1 unit was 3 units and now it's 9, you would have to divide each side by 3. So, the width would be 1 unit and the length would be 2 units.

I hope this helped!!!

5 0
3 years ago
Please help me on this
umka2103 [35]

Answer:

YZ = 8.5

Step-by-step explanation:

Since RY is an angle bisector then the ratio of the sides of the triangle are equal to the corresponding ratio of the base, that is

\frac{YX}{YZ} = \frac{XR}{ZR} , substitute values

\frac{11.9}{YZ} = \frac{7}{5} ( cross- multiply )

7YZ = 59.5 ( divide both sides by 7 )

YZ = 8.5

7 0
3 years ago
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