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Luba_88 [7]
3 years ago
6

Sumy is working in geometry class and is given figure ABCD in the coordinate plane to reflect. The coordinates of point D are (a

, b) and she reflects the figure over the line y = x. What are the coordinates of the image D'?
(a, –b)
(b, a)
(–a, b)
(–b, –a)
Mathematics
2 answers:
MAXImum [283]3 years ago
8 0

Answer:

The answer would be option B. (b, a)

Step-by-step explanation:

Just got it right on Edge. - hope this helps!

frutty [35]3 years ago
6 0

Answer:

(b , a)

Step-by-step explanation:

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Mark and Henry win some money and share it in the ratio 4:3. Mark gets £9 more than Henry. How much did they get altogether?​
stepladder [879]
Answer:

A tiny guess, but I believe the answer is 63.

Explanation:

Well, since Mark would’ve had the 4 in the 4:3, that would mean each part would be 9 dollars.

So, if there seven parts in total, that would mean it’s...

7 • 9
63

Hopefully this helped!
3 0
3 years ago
What is the mean for this set of data? 14 62 35 38 58 46 62 A. 45 B. 46 C. 48 D. 62
8090 [49]

Answer:

A. 45

Step-by-step explanation:

The mean is the average of the data set.

(14+62+35+38+58+46+62)÷7=

(76+35+38+58+46+64)÷7=

(111+38+58+46+64)÷7=

(149+58+46+64)÷7=

(207+46+64)÷7=

(253+64)÷7=

317÷7=

45.285714285714285714285714285714‬≈45

Our answer that makes the most sense is A. 45

3 0
3 years ago
232. Сколько решений имеет уравнение | х + 3 | -один?
marysya [2.9K]

Answer: <em>уравнение имеет 2 решения:</em>

<em>               x₁ = - 4;    x₂ = - 2.</em>

Step-by-step explanation:

<em>Ix + 3I = 1</em>

<em>1) x + 3 = 1</em>

<em>   x + 3 - 3 = 1 - 3</em>

<em>   x = -2</em>

<em>2) - (x + 3) = 1</em>

<em>    x + 3 = - 1</em>

<em>    x + 3 - 3 = - 1 - 3</em>

<em>    x = - 4</em>

6 0
3 years ago
Write and expression that represents the difference of 32 and n , multiplied by 10
natali 33 [55]

Answer:

10(32 - n)

Step-by-step explanation:

This is a beginning algebra question. It is trying to find out if you know what a difference is.

A difference always means subtract in math. Always. There are no exceptions.

So the difference between 32 and n is 32 - n

This difference is multiplied by 10

10(32 - n)

Usually the number mentioned first is the number put to the left of the subtract sign.

If you tell me the answer is 10(n - 32) then you should say that it is the difference between n and 32.

7 0
2 years ago
An object is spinning around a circle at a rate of 420 revolutions per minute. If the circle has a diameter of 8 feet, what is i
Vera_Pavlovna [14]

Answer:

Step-by-step explanation:

This seems more like a physics questions, but i'll help you  :P

the circle is 8 feet across or a radius of 4 feet

circumference of the circle is 2\pir  = 25.132741 feet

it's going around 420 times a minute

420 * 25.132741 = 10555.75132 feet per minute

10,555.75

7 0
3 years ago
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