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Bogdan [553]
3 years ago
7

Activity

Mathematics
2 answers:
Ipatiy [6.2K]3 years ago
8 0

Answer:

2d + 3

Step-by-step explanation:

Dylan’s weight is d.

Twice Dylan’s weight is 2d.

Three pounds more than twice Dylan’s weight is 2d + 3.

So, the expression for Alan’s weight in terms of Dylan’s weight is 2d + 3.

alina1380 [7]3 years ago
4 0

Answer:

Step-by-step explanation:

a=2d+3

b=3d-12

c=a+b so

c=2d+3+3d-12

c=5d-9

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Thomas rents a car for his vaccation the milliage included with the 54 miles forer every mile he drives over 54 miles he needs t
Sauron [17]

Answer:

$27

Step-by-step explanation:

Thomas rents a car for his vacation. The mileage include with the rental is 54 miles. For every mile he drives over 54 miles, he needs to pay $1 4/5. If he drives 69 miles, how much extra does he need to pay?

Total mileage included with the rental = 54 miles

Additional cost per mile after 54 miles = $1 4/5

Total miles Thomas drives = 69 miles

Extra miles Thomas drives = 69 miles - 54 miles

= 15 miles

how much extra does he need to pay?

Extra cost Thomas needs to pay = Additional cost per mile after 54 miles * Extra miles Thomas drives

= $1 4/5 * 15 miles

= 9/5 * 15

= (9 * 15) / 5

= 135/5

= 27

Extra cost Thomas needs to pay = $27

4 0
3 years ago
What is the remainder when (2x3 + x2 – 3x + 4) is divided by x – 2?
sergeinik [125]

Answer:

The remainder is  

−

7

Step-by-step explanation:

When  

P ( x ) = 2 x 3 – x 2 – 3 x + 7  is divided by  x + 2 ,we are dividing by  x −( − 2), so the remainder will be: P ( − 2 ) = 2 − 2 ) 3 –

(

−

2

)

2

–

3

(

−

2

)

+

7

=

−

16

−

4

+

6

+

7

=

−

20

+

13

=

−

7

8 0
3 years ago
What is the difference between the mean of each set?<br><br>a) 4<br>b) 5<br>c) 7<br>d) 9<br>​
Xelga [282]
Mean is the average

So the first mean is 11
The second one is 14.7 so round to 15

15-11 is 4. Hope that is correct
7 0
3 years ago
Read 2 more answers
30 18 24 4 = 18 make it true
Vesnalui [34]
30-[18-(24\4)] = 18

if you follow pemdas
3 0
3 years ago
Read 2 more answers
Can someone help me with part b on this question please?
Galina-37 [17]

9514 1404 393

Answer:

  12.0 cm

Step-by-step explanation:

The Pythagorean theorem applies:

  (12 cm)² +b² = (17 cm)²

  b² = (289 -144) cm² = 145 cm²

  b = √145 cm ≈ 12.04 cm

  b ≈ 12.0 cm . . . . rounded to 1 decimal place

8 0
3 years ago
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