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Vanyuwa [196]
3 years ago
9

Twice the larger of two consecutive integers is equal to fifteen less than three times the smaller. Find the integers.

Mathematics
1 answer:
Alexxandr [17]3 years ago
7 0

Answer:

17,18

Step-by-step explanation:

let the smaller integer be "a" and the larger be "b"

Then 2b = 3a -15              ........................equ 1

but they are consecutive integers, b= a+1 ; substitute b into equ 1,thus,

2(a+1) = 3a - 15

2a + 2 = 3a-15

collect like terms,

2+15 =3a-2a

17 = a

b= a+1

b = 17+1

b=18.

The integers are 17,18

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Write the equation of the line in slope intercept form that goes through points (1,8) and (5,20)
pantera1 [17]

Answer:

y=3x+5

Step-by-step explanation:

Point slope equation:

y=mx+b

m-slope, b- is y-intercept

equation given 2 points

y-y1 = m(x-x1)

For point (1,8) and slope m=(y2-y1)/(x2-x1) = 20-8/5-1=12/4=3

y-8 =3(x-1)

arange it in point slope format

y-8=3x-3

y=3x-3+8

y=3x+5

6 0
3 years ago
Comparing 491,111 and 409,867
Andrei [34K]
491,111 is greater than 409,867
6 0
3 years ago
Read 2 more answers
A computer can sort x objects in t seconds, as modeled by the function
r-ruslan [8.4K]

Answer:

  36 objects

Step-by-step explanation:

You want the value of x when t=9, so you're solving ...

  9 = 0.007x^2 +0.003x

  9 = 0.007(x^2 + 3/7x)

From here, we observe that an approximation is probably sufficient.

 9/0.007 = x(x +3/7) . . . . . the expression on the right is nearly x^2

  x ≈ 3/√.007 ≈ 35.9 ≈ 36

We can check:

  .007(36)(36 3/7) = 9.18

  .007(35)(35 3/7) = 8.68

To keep the computer busy for 9 seconds, it needs to sort 36 objects.

 

6 0
3 years ago
Solve in logarithms no scam<br>94100×√38.2\5.68^3×8.14<br>pls help don't scam pls<br>​
maks197457 [2]

Answer:

389.89879489

Step-by-step explanation:

1. Multiply

(5.68^3 × 8.14= 1491.65851648)

94100 × √38.2 / 1491.65851648

<u>2</u><u>.</u><u> </u><u> </u><u>evaluate root</u>

(√38.2 = 6.18061485)

94100 × 6.18061485 / 1491.65851648

<u>3</u><u>.</u><u> </u><u> </u><u>multiply </u>

(94100 × 6.18061485 = 581595.85796324)

581595.85796324 / 1491.65851648

<u>4</u><u>.</u><u> </u><u> </u><u>divide</u>

(581595.85796324 / 1491.65851648 = 389.89879489)

8 0
3 years ago
A bee's wings can beat about 6.48 * 10 ^ 5 times an hour. How is this number written in standard form?
luda_lava [24]

Answer:

648000 times/hr

Step-by-step explanation:

6.48 * 10^5
Move the decimal 5 times to the right.
The answer you should get is 648000 times per hour.

8 0
3 years ago
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