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3 years ago

How do i write 98.5 in scientific notation?

Mathematics

1 answer:

Brilliant_brown [7]3 years ago

3 0

Scientific notation is 9.85 × 10^1

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G(b) = 5b- 9 h(b) = (b - 1)^2 Evaluate. (hog)(-6) =

laiz [17]

Given:

The two functions are:

$g(b)=5b-9$

$h(b)=(b-1)^2$

To find:

The value of $(h\circ g)(-6)$ .

Solution:

We have,

$g(b)=5b-9$

$h(b)=(b-1)^2$

We know that,

$(h\circ g)(b)=h(g(b))$

$(h\circ g)(b)=h(5b-9)$

$(h\circ g)(b)=[(5b-9)-1]^2$

$(h\circ g)(b)=[5b-10]^2$

Putting $b=-6$ , we get

$(h\circ g)(-6)=[5(-6)-10]^2$

$(h\circ g)(-6)=[-39-10]^2$

$(h\circ g)(-6)=[-49]^2$

$(h\circ g)(-6)=2401$

Therefore, the value of $(h\circ g)(-6)$ is 2401.

7 0

3 years ago

Eight less than the product of 4 and a number is equal to 9.

Len [333]

Answer:

4x - 8 = 9

Step-by-step explanation:

Hope this helps! :)

Please choose me! I was first! :) PLS BRAINLIEST I NEED ONE MORE! :(

5 0

3 years ago

Read 2 more answers

Hong rented a truck for one day. There was a base fee of $20.95, and there was an additional charge of 90 cents for each mile dr

Goryan [66]

Answer: Hong drove the truck for 294 miles.

Step-by-step explanation:

Let m represent the number of miles for which he drove the truck.

There was a base fee of $20.95, and there was an additional charge of 90 cents for each mile driven. It means that the expression for the cost of driving the truck for m miles in a day is

20.95 + 0.9m

Hong had to pay $285.55 when he returned the truck. It means that

20.95 + 0.9m = 285.55

0.9m = 285.55 - 20.95

0.9m = 264.6

m = 264.6/0.9

m = 294 miles

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3 years ago

10. What is the value of the function f(x) = 7x when x = 0.75 ?

melomori [17]

Answer:

7(0.75) = 5.25

f = 7

Step-by-step explanation:

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3 years ago

O no I accidentally made this 20 points

harkovskaia [24]

Answer:

Step-by-step explanation:

nonproportional. doesn't pass through the origin, so it's not proportional

8 0

3 years ago