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Brums [2.3K]
4 years ago
9

Which expression represents, six times a number plus 8 times a number?

Mathematics
1 answer:
Goryan [66]4 years ago
6 0
B  is the answer 6a + 8b
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Peter began his trip at 1 on the number line shown above. He moved 3 positive counts on day one and 8 negative counts on day two
Montano1993 [528]

Answer:

-4

Step-by-step explanation:

1 + 3 = 4

4 - 8 = -4

4 0
2 years ago
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The equation of a line is (3)/(5)x+(1)/(3)y=(1)/(15) . The x-intercept of the line is , and its y-intercept is .
boyakko [2]

bxf-mgii-whr

Step-by-step explanation:

come I will teach

6 0
3 years ago
Plz help ASAP which choice is it and why ?
Delicious77 [7]

Answer:

i think it would be choice D

Step-by-step explanation:

this would be because the 20 is 19.8 tons rounded up, the (1.1) is the increase of the original amount plus the 9.8 rounded up, and the (1.05) is the increase by 5.1. the reason why they multiply these like 20(1.1)(1.05) is because each number in the parenthesis is the increase, when you multiply something by 1.1 it will give you it's 100% + the 10% growth, same goes for the 1.05 which will give you the 100% + the 5% of 20(1.1)

in other words if you just multiplied by .1 you would only get 10% of what you're seeking while if you multiply by 1.1 you would get the 110%. the 1 is 100%, and the extra percentage you seek is the decimal (number behind the dot) that follows

4 0
3 years ago
a parabolic lamp is facing due east. The bulb (located at the focus) is 8 inches away from the vertex (located at the origin). t
True [87]

9514 1404 393

Answer:

  3 1/8 inches

Step-by-step explanation:

For focus-vertex distance p, the equation of the parabola can be written ...

  y = x^2/(4p)

Here, we have p=8. We want to find the value of y when x=10 (the radius of the dish). That is ...

  y = (10^2)/(4·8) = 100/32 = 3 1/8

The dish is 3 1/8 inches deep.

7 0
3 years ago
(8 ,10) (-7 ,14) in a ti 84 calculator
SpyIntel [72]

Answer:

y=-4/15x+182/15 (12 and 2/15)

Step-by-step explanation:

Slope is 14-10/-7-8, which is 4/-15=-4/15

8 0
3 years ago
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