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miv72 [106K]
2 years ago
15

Use ab and b=24 to work out the value of these Questions

Mathematics
1 answer:
guajiro [1.7K]2 years ago
7 0

#a

a+b

  • Insert the value

=a+24(b)

#b

ab

=a(b)

  • Put the value

=a*24

#c

b/a

  • Put the value

=24/a

#d

(a+b) to the power of 2

  • Power means exponent (^)

=(a+b)^2

  • Put the value

=(a+24)²

=a²+576

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skelet666 [1.2K]

Answer:

38 m/s

Step-by-step explanation:

We are given that

D represent Rachel's remaining distance( in meters ) as  a function of time is given by

D=-38t+220

We have to find the Rachel's speed.

We know that

Velocity=\frac{ds}{dt}

Substitute the values then we get

v=\frac{d(-38t+220)}{dt}=-38 m/s

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Speed =\mid -38\mid =38m/s

Hence, the Rachel's speed is given by =38 m/s

4 0
3 years ago
Which expression is equivalent to 8(a+3)
Alex777 [14]

Answer:

8a + 24

Step-by-step explanation:

Use Distributive property: a(b +c) = a*b + a*c

Here a = 8 ;  b= a & c = 3

8(a + 3) = 8*a + 8*3

            = 8a + 24

8 0
2 years ago
How do I solve b/4 = 9
frutty [35]
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8 0
3 years ago
Read 2 more answers
On the first day of a trip, the Brenner family hikes 2.8 miles. On the second day, they hike 1.25 along a trail. They take a bre
Vadim26 [7]
They hiked more on the 2nd day because they are retracing their steps.
8 0
3 years ago
If 5.7×10^k= 570,000, what is the value of k?
antiseptic1488 [7]

Answer:

5

Step-by-step explanation:

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6 0
3 years ago
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