3 years ago

Please help!!!I really confused

Mathematics

1 answer:

Viktor [21]3 years ago

5 0

Answer:

91in in feet 7.5ft

Step-by-step explanation:

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It takes 8 workers 12 days to build a wall work out how many days it would take 3 workers to complete the same job

MissTica

Answer: 4.5 days or 4 1/2 days

Step-by-step explanation: We can use cross product property, to solve this. Workers to Days remember that

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3 years ago

Are squaring a number and taking a root ___ operations.<br><br>the same<br>opposite<br>different

Ber [7]

They are opposite operations

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3 years ago

In a race in which twelve automobiles are entered and there are no ties, in how many ways can the first three finishers come i

k0ka [10]

That is 3 slots
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so that is 12*11*10 or 1320 ways

3 0

3 years ago

Read 2 more answers

If (3). write the following vectors in column vector form:

Art [367]

Answer:

see explanation

Step-by-step explanation:

Given

a = $\left[\begin{array}{ccc}3\\2\\\end{array}\right]$

To obtain -3a multiply each of the elements of a by -3

3a = $\left[\begin{array}{ccc}-3(3)\\-3(2)\\\end{array}\right]$ = $\left[\begin{array}{ccc}-9\\-6\\\end{array}\right]$

To obtain 1.5a multiply each element by 1.5

1.5a = $\left[\begin{array}{ccc}1.5(3)\\1.5(2)\\\end{array}\right]$ = $\left[\begin{array}{ccc}4.5\\3\\\end{array}\right]$

8 0

3 years ago

Question 6

inn [45]

Answer:

Step-by-step explanation:

4 times 2 is 8. 3 and 3 times -4 is -12

8 minus -12 is negative 4

7 0

3 years ago

Please help!!!I really confused ​

Please help!!!I really confused