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mr_godi [17]
4 years ago
15

What is 6r2 + r, r = 5

Mathematics
1 answer:
Kryger [21]4 years ago
4 0

Answer:

65

Step-by-step explanation:

6(5)(2)+5

30(2)+5

60+5

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If f(x)=4x-6 and the domain of f is {2,4,6}, what is the range of f(x)?
pychu [463]

f(x)=4x-6\\\\D=\{2,\ 4,\ 6\}\\\\R=\boxed{?}\\\\Calculate\ values\ of\ f(2),\ f(4)\ and\ f(6).\\\\Put\ the\ values\ of\ x\in\{2,\ 4,\ 6\}\ to\ the\ equation\ of\ the\ function:\\\\f(2)=4(2)-6=8-6=2\\f(4)=4(4)-6=16-6=10\\f(6)=4(6)-6=24-6=18\\\\Answer:\ The\ range\ is\ equal\ R=\{2,\ 10,\ 18\}\to\boxed{D.}

8 0
4 years ago
Write the equation y = -(x – 5)2 + 21 in standard form.
GuDViN [60]

Answer:

y = − x + 31

Step-by-step explanation:

y  =  − 2 x + 31

5 0
3 years ago
Find x, if the perimeter is 106 <br> 3x+6<br> 2x-3
slega [8]
So we are given that the perimeter is 106 and two problems to solve
we will write this as an equation
106 = 3x + 6
we will subtract 6 from both sides
100 = 3x 
now divide by 3 to isolate the variable
we will get 33 1/3 as the x

for the second one
106 = 2x - 3
add three to both sides
109 = 2x 
divide by 2 to isolate the variable
we will get 54 1/2 as the x

Hope this helps :)
3 0
4 years ago
RESULTADO DE 79 MAS X IGUAL 452
EastWind [94]
El resultado de 79 mas X igual 452 es 141
3 0
3 years ago
School started at 9:15am. After two period lasting 50min each, children had a break. At what time was the break?
pogonyaev

Answer:

10:55

Step-by-step explanation:

9:15/10:05/10:55

6 0
3 years ago
Read 2 more answers
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