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-BARSIC- [3]
3 years ago
6

Rodney is going to spray paint all the surfaces of the ramp shown

Mathematics
2 answers:
Sholpan [36]3 years ago
5 0
According to my calculations the answer is 6
bija089 [108]3 years ago
3 0

Answer:

6

Step-by-step explanation:

6

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Need the question answered asap
anygoal [31]

Step-by-step explanation:

First find the area of the rectangle with the variables.

(x + 5) \times x =  {x}^{2}  + 5x

Now the areas are equal, so we have to solve the equation

{x}^{2}  + 5x = 36 \\ x +  \sqrt{5x}  = 6 \\ 3.236x = 6 \\ x = 1.854

8 0
2 years ago
What is 4/15 / -3.4<br>​
seraphim [82]

Answer:

Factor the numerator and denominator and cancel the common facotors which would give you 0.07843137

4 0
3 years ago
What is the volume of a cone that has a height of 10 feet and a base with a diameter of 2 and half feet?
lyudmila [28]
Volume of a cone: 1/3\pir²h
r is the radius (diameter ÷ 2) and h is the height.

Find the radius first using the diameter: 2\frac{1} {2} ÷ 2 = 1.25

Now plug in the numbers into the formula.

1/3\pi1.25²10 = <span>16.4
</span>
The volume of the cone is 16.4 cubic feet.
6 0
3 years ago
How do i find the are and perimeter of the composite figure?
sineoko [7]

Answer:

perimeter :

4+10+4+ (pi * radius) .........."radius =5"

area:

(10*4)+(0.5 * pi * r square)

7 0
3 years ago
11. The completion of a chemical reaction is expressed by the equation y = 300 - 4x - XP, where y is
alina1380 [7]

Answer:

The reaction ca occur at 10 degree Celsius or -14 degree Celsius.                                          

Step-by-step explanation:

We are given the following in the question:

The completion of a chemical reaction is expressed by the equation

y = 300 - 4x -x^2

where y is  the number of seconds needed to complete the reaction and x is the temperature in degrees Celsius  at which the reaction occurs.

We have to find the temperature at which the reaction occurs, if the completion time of reaction is 160 seconds.

Putting y = 160

160 = 300 - 4x -x^2\\x^2 + 4x  - 140 = 0\\x^2 + 14x -10x -140 = 0\\x(x+14)-10(x+14)=0\\(x-10)(x+14) = 0\\(x-10) =0, (x+14) =0\\x = 10, x = -14

Thus, the reaction ca occur at 10 degree Celsius or -14 degree Celsius.

5 0
3 years ago
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