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barxatty [35]
2 years ago
10

HELP HELP HELP HELP HELPPP

Mathematics
2 answers:
Kisachek [45]2 years ago
6 0

Answer:

2,-2

Step-by-step explanation:

the sum is 2+(-2)=0

the difference is 2-(-2)=4

gavmur [86]2 years ago
3 0

Answer:

pretty sure its 2 and -2

Step-by-step explanation:

2+-2=0

2--2= 4

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Number of ponits = number of games won x3 + number of games drawn Grangers have got 42 points. They have drawn 6 games. How many
Helga [31]

Answer:

Number of games Grangers won = 12

Step-by-step explanation:

Given:

Number of ponits = [Number of games won]3 + number of games drawn

Grangers have = 42 points

Number of game drawn = 6 games

Find:

Number of games Grangers won

Computation:

Number of ponits = [Number of games won]3 + number of games drawn

42 = [Number of games won][3] + 6

36 = [Number of games won][3}

[Number of games won] = 12

Number of games Grangers won = 12

7 0
3 years ago
Which describes a correct way to construct a scatterplot?
Tanzania [10]
<span>Draw a graph. Label the x- and y- axis. Choose a <span>range </span>that includes the maximums and minimums from the given data.</span><span> For example, our x-values go from 3 to 6.3, so a range from 3 to 7 would be approprite.

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3 0
2 years ago
Read 2 more answers
Pls help will mark brainliest <br><br> solve the system using a matrix.
umka2103 [35]

Answer:wertyuiop[]\]

';lkjhgfd

Step-by-step explanation:

7 0
2 years ago
The number of mosquitoes M(x), in millions, in a certain area depends on the June rainfall x, in inches: M(x) = 13 x - x2. What
My name is Ann [436]

Answer:

The number of mosquitoes is maximum for 6.5 inches rainfall.

Step-by-step explanation:

The given function is

M(x)=13x-x^2                   .... (1)

where, M(x) is number of mosquitoes in millions and x the June rainfall in inches.

We need to find the rainfall that produces the maximum number of mosquitoes.

Differential the above function with respect to x.

M'(x)=13-2x               .... (2)

Equate first derivative equal to 0.

13-2x=0

2x=13

x=\frac{13}{2}=6.5

Differential function (2) with respect to x.

M''(x)=-2

Double derivative is negative. So, the value of function is maximum at x=6.5.

Therefore, the number of mosquitoes is maximum for 6.5 inches rainfall.

4 0
3 years ago
What is the volume a circular spray tank if it has a diameter of 5 feet and height of 7 feet
Sedbober [7]
V=hpir^2
d/2=r
5/2/2.5

h=7
V=7pi2.5^2
v=7pi6.25
V=43.75pi
aprox pi=3.141592
V=137.44465


V=43.75pi ft^3 or aprox 137.44465 ft^3

7 0
3 years ago
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