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meriva
3 years ago
9

29. Let X = {x | x is a whole number less than 10}, Y = {x|x is an even number} (1 point)

Mathematics
1 answer:
torisob [31]3 years ago
3 0

Answer:

The abs wer to your question is: A

Step-by-step explanation:

A.{0, 2, 4, 6, 8}  This answer is correct because we are looking for even  numbers less than 10 and this group has both characteristics.

B.{1, 3, 5, 7, 9}  This option is incorrect because it displays odd numbers and we are looking for even numbers.

C.{1, 2, 3, 4, 5, 6, 7, 8, 9, }  This option is incorrect because we only need even numbers and this group displays both even and odd numbers.

D.{0, 1, 2, 3, 4, 5, 6, 7, 8, 9}​ This option is al so incorrect, the only difference with C in the zero.

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A student solved 6x+4=2(x−8) in four steps as shown:
mr_godi [17]
The first thing you should do is solve the equation yourself.

1) Distribute the 2.  
6x + 4 = 2x – 16

2) Next, you'll want to get the x's on one side. So add -2x to both sides.
6x + 4 + -2x = 2x + -2x - 16
4x + 4 = -16

3) Now subtract 4 from both sides
4x + 4 – 4 = -16 – 4
4x = -12

4) Finally, divide both sides by 4
4x/4 = -12/4
x = –3

To solve this problem all you need to do is look back out you work, and figure out the correct solution. The answer the question is The student made an error in Step 1.

7 0
3 years ago
The sum of a number times 10 and 17 is at most 27
guajiro [1.7K]

<em>Answer:</em>

<em>The value of the number should be 1 (or less I think)</em>

<em>Step-by-step explanation:</em>

<em>At most means the highest value of the sum should be 27.</em>

<em>10x + 17 = 27</em>

<em>10x = 27 - 17</em>

<em>10x = 10</em>

<em>x = 10/10</em>

<em>x = 1</em>

<em>∴</em><em>The value of the number should be 1</em>

5 0
2 years ago
The diameter of a circle is 34 feet. what is the circles circumference ?
Crazy boy [7]

Answer:

106.81

Step-by-step explanation:

first convert diameter to radius

  • radius = diameter / 2
  • radius = 34/2 = 17

now find circumference

  • circumference = 2πr
  • circumference = 2π(17) = 106.81

r = radius

3 0
2 years ago
Read 2 more answers
If the diameter of a circle changes from 18 cm to 6 cm, how will the circumference change?
omeli [17]
We know that 

the length of a circumference=2*pi*r
for D1=18 cm--------------> r1=9cm
L1=2pi*9-------> 18pi cm

for D2=6 cm-----------> r2=3 cm
L2=2pi*3-------> 6pi cm

L2/L1----------> (6pi)/(18pi)---->1/3

the answer is the option A) multiplies by 1/3
6 0
3 years ago
The perimeter of a rectangle is 78 cm. If the length is 13 cm, how wide is the rectangle?
Novay_Z [31]

Answer:

the answer is  w=26cm

Step-by-step explanation:

3 0
2 years ago
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