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aleksley [76]
3 years ago
5

Please helppp!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Masteriza [31]3 years ago
3 0
The unit rate would be 11/2. Hope this helped.
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The volume of the box is modeled by the function V (x) = 5x^2 + 5x. What is the volume when x= 4?
liubo4ka [24]
V= 5 x 4^2 + 5 x 4
V= 5 x 16 + 20
V= 80+ 20
V= 100
Answer is C 100 cubic units
3 0
3 years ago
Find the distance along an arc on the surface of the earth that subtends a central angle of 6 minutes (1 minute = 1/60 degree).
bazaltina [42]

Answer:

6.914miles (to 3 decimal places)

Step-by-step explanation:

Length of an arc = θ/360 *2πr

angle subtended by arc at the center of the earth = 6 minutes

1 minute =1/60 degree

6 minute= 6/60 degree =0.1°

θ=0.1°

radius of earth = 3960 miles

distance along the arc = \frac{0.1}{360}*2\pi  *3960

    =6.9142857143miles

3 0
3 years ago
What is the answer to 9.99999999×9.999999999
fiasKO [112]
The answer would be <span>99.99999989.</span>
7 0
3 years ago
Solve the simultaneous equations
riadik2000 [5.3K]

Answer:

x = -2, y = 3

Step-by-step explanation:

2x + 3y = 5

5x - 2y = -16

In order to find the value of a variable, we must eliminate the other variable by multiplying the equations to get the same coefficient.

We can multiply the first equation by 5 and the second one by 2 to get the same coefficient for x, the equations then become:

10x + 15y = 25

10x - 4y = -32

Now we can subtract:

19y = 57

y = 3

Since we know the value of y, we can substitute it into one of the original equations:

2x + 3(3) = 5

2x + 9 = 5

2x = -4

x = -2

3 0
2 years ago
I have $460 less than dotun. Altogether we have $1280. How much do we have
nalin [4]

Answer:

you have $180, total there is $1280

Step-by-step explanation:

5 0
3 years ago
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