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Temka [501]
3 years ago
10

Please help thank you

Mathematics
2 answers:
eimsori [14]3 years ago
4 0

Answer:

D

Step-by-step explanation:

subsitute each of the x and y values for each of the equations and if they both equal each other It is correct.

Lilit [14]3 years ago
3 0

Answer:

x = 2, y= -1

Step-by-step explanation:

12x - y = 25

9x + y = 17

add both equations to eliminate y

21x = 42

divide by 21

x = 42/21

x = 2

sub x in equation i to find y

12(2) - y = 25

24 - y = 25

-y = 1

therefore y = -1, x = 2

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A car can travel 105 miles on 7 gallons of gas. How far can it travel on 9 gallons
Wewaii [24]

Find how far the car can travel on one gallon of gas, by dividing total miles by number of gallons:

105 miles / 7 gallons = 15 miles per gallon.


Now multiply that by the number of gallons to find total miles:

15 miles per gallon x 9 gallons = 135 total miles.

6 0
3 years ago
A data analyst has spreadsheets numbered
algol [13]

Answer:

\frac{2}{9}

Step-by-step explanation:

{\textrm}{Total number of objects here} = 9

(2 spreadsheets, 3 databases and 4 presentations,

{\textrm}({Total} = 2+3+4 = 9)

{\textrm}{No. of databases with an odd number} = 2 {\textrm}{(databases with number 1 and 3})

As  not mentioned other wise equal chances of all the outcomes is assumed so, by the classical definition of probability,

P(The chosen item is a odd numbered database)

=\frac{2}{9}

8 0
3 years ago
Which company’s tower holds the most water?
GuDViN [60]

Answer: First Option

Step-by-step explanation:

The formula to calculate the volume of a cylinder is:

V = \pi(\frac{d}{2})^2*h

Where d is the diameter of the cylinder and h is the height.

Notice that the term d is squared. This means that to increase the volume of a cylinder it is more efficient to increase its diameter as well. Therefore, look for the cylinder with the largest diameter among the options.

The first cylinder is 90 ft in diameter and 40 ft in height and its volume is

V = \pi(\frac{90}{2})^2*40

V=254469\ ft^3

You can verify that it is the tank that has the highest volume

8 0
3 years ago
In Raiders of the Lost Ark, Indiana Jones tried to remove a gold idol from a trapped pedestal. He replaces the idol with a bag o
Greeley [361]

Answer:

  2/3 liter

Step-by-step explanation:

3.00 g/cm³ = 3.00 kg/L . . . . . . . 1000 g = 1 kg; 1000 cm³ = 1 L

For a mass of 2.00 kg, you need ...

  (2.00 kg)/(3.00 kg/L) = 2/3 L ≈ 0.667 L

4 0
3 years ago
Read 2 more answers
I'm unsure of what the answer to this is, I need help.
Zigmanuir [339]

Answer:

I think it would be A

Step-by-step explanation:

Because 9/6 is 1.5 and when you do 3/2 it is also 1.5.

I hope this helps

4 0
3 years ago
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