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NikAS [45]
3 years ago
9

I need help with some of these I don't get it?

Mathematics
2 answers:
ira [324]3 years ago
6 0
You need to put the problem so we can help you. If you don't, we can't.
 
riadik2000 [5.3K]3 years ago
3 0
If you give the problems then i will help you the best i can
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Can someone help me with this math homework please!
azamat

It is not necessary that the function decreasing over a given interval always be negative.

A function f(x) (value) decreases as x increases.

This does not mean that value of f(x) is negative.

It can have positive number as range.

7 0
3 years ago
Read 2 more answers
Two runners one averaging 5 miles per hour and the other one averaging 4 miles per hour, start at the same place and run along t
Vikentia [17]

Answer:

The Distance cover by both the Runners is same = 10 miles  

Step-by-step explanation:

According to question ,

The Speed of first runners (S 1) = 5 miles per hour

The speed of second runners (S 2)  = 4 miles per hour

Let The Time taken by First runner (T 1 ) = T hour

But the second runner  arrives half hour after the first runner ,

I.e The Time taken by Second runner (T 2) = ( T + \frac{1}{2} )

Now from Distance = Speed × Time

Since both the runners start from same place and run along the same trail

SO ,Both the Distance cover by both are same , D 1 = D 2

i.e Speed 1 × Time 1 = Speed 2 × Time 2

    5 mph × T            =  4 mph   ×  ( T + \frac{1}{2} )

    5 T =  4 T + ( 4 × \frac{1}{2} )

Or,  5 T - 4 T = 2

∴       T    =  2 hour  ,

Time take by first = T1 = T = 2 hour

Time take by second = T2 = T + \frac{1}{2} = (2  +  \frac{1}{2} )hour = \frac{5}{2}

Now the Distance cover = Speed × Time

              Distance   (D1)          = 5 mph  × 2 hour = 10 mile

And        Distance    (D2)         =  4 mph  × \frac{5}{2} = 10 miles

Hence, As The Distance cover by both the Runners is same = 10 miles  Answer

5 0
3 years ago
What is 683 divided by 5 (show all work)
Zarrin [17]

Answer:

136.6.

Step-by-step explanation:

     

5 ) 6 ¹8 ³3 . ³0

     1  3  6 .   6      <----------answer.

3 0
3 years ago
What is the square root of 3,987
rosijanka [135]

Answer:

the answer is 15896169

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Before beginning voice lessons, Chad already knew how to sing 805 pieces, and he expects
NeTakaya

Let's create an equation to find the # of weeks until Chad learns 937 pieces.

x = # of weeks

937 = 2x + 805

Subtract 805 from both sides.

132 = 2x

Divide both sides by 2

66 = x

Chad will need 66 weeks of lessons to learn 937 pieces.

4 0
3 years ago
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