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raketka [301]
3 years ago
9

Mark walked 1,000 meters per day every day for one week how many kilometers did he walk all together?​

Mathematics
2 answers:
Stolb23 [73]3 years ago
5 0

Answer:

10,000

Step-by-step explanation:

elena-s [515]3 years ago
3 0

Answer:7

Step-by-step explanation:

1,000 meters is equal to 1 kilometer so it would be 7 pretty sure

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For each of the functions below, indicate whether the function is onto, one-to-one, neither orboth. If the function is not onto
Karo-lina-s [1.5K]

Answer:

f_{1} :Z \rightarrow Z is one to one mapping, it is not onto mapping

Step-by-step explanation:

f_{1} :Z \rightarrow Z\\ f_{1} (x) = x^{3}

f₁(x) is one to one mapping

Let x, y \epsilon Z

f₁(x) = f₁(y):

x₁³ = y₁³

f₁(x) is not onto mapping

Example: If f₁(x) = 7,

x₁³ = 7

x_{1} = \sqrt[3]{7}

x₁ is not an element of Z

f_{1} :Z \rightarrow Z is one to one mapping, it is not onto mapping

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3 years ago
Factor the expression. 2x^2-7x-15
lutik1710 [3]

Answer:

Factor by grouping

(2x+3) (x-5)

Step-by-step explanation:

3 0
3 years ago
Which expression is equal to (32)(8)(5x) using the associative property?
Yuliya22 [10]
Seeing as there are no answer choices, here are all the answers I would think to make. Quick note, associative property of multiplication states that you can change the parenthesis/order of your multiplication in any order and it will stay true, example: (5)(8)(3)=40*3 and 24*5.
Answers: (32)(40)(x), (32)(40x), (32)(8)(5)(x), (32)(8x)(5), (160)(8x), (160x)(8), (160)(8)(x), (32x)(8)(5), (256x)(5), (256)(5x), (256)(5)(x), (1280)(x), (1280x)
7 0
3 years ago
Lines that are not in the same plane are called _____ lines. A.perpendicular B.transversal C.skew D.parallel
Kitty [74]
C is correct answer.

Skew is a line that does not have a same plane.

Hope it helped you.

-Charlie

Thanks!
4 0
3 years ago
Read 2 more answers
Y=1/2x-2 and y=-3x+5 system by Substitutions
mr Goodwill [35]

Answer:

x = 2 ; y = -1

Step-by-step explanation:

y = 1/2*x - 2 and y = -3*x + 5

1/2*x - 2 = -3*x + 5

7/2*x - 2 = 5

7/2*x = 7

x = 2

y = 1/2*2 - 2 = -1

y = -3*2 + 5 = -1

3 0
3 years ago
Read 2 more answers
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