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vivado [14]
3 years ago
15

Find 2 values for x for which f(x)=-28

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
8 0

-7 x 4= -28

-14 x 2+ 28


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Julio ran 17 miles less than Adam last week.julio ran 13 miles how many miles did Adam run?
Vlad [161]
In the given question there are certain information’s based on which the answer to the question can be easily reached.
Let us assume that the distance ran by Adam = x
The the distance ran by Julio = (x - 17) miles
It is also given that Julio had run 13 miles
The we can create an equation and that is
x - 17 = 13
x = 13 + 17
  = 30
So Adam ran a distance of 30 miles.

8 0
2 years ago
Read 2 more answers
If an object is propelled upward from a height of 48 feet at an initial velocity of 96 feet per second, then its height after t
ivolga24 [154]

Answer:

the number of seconds to reach the height is 3 seconds

Step-by-step explanation:

The computation of the seconds that reach the height is as follows;

Given that

h = -16t^2 + 96t + 48

here

H = 192 feet

So,

192 = -16t^2 + 96t + 48

-16t^2 + 96t - 144 = 0

Divide by -16

t^2 - 6t + 9 = 0

t^2 - 3t - 3t + 9

t(t - 3) - 3(t - 3)

t = 3 seconds

Hence, the number of seconds to reach the height is 3 seconds

5 0
3 years ago
If P(x) = 0.20, find the complement.
eimsori [14]
Complement of P(x) = 1 - P(x) = 1 - 0.2 = 0.8
8 0
3 years ago
Find dy/dx. if y = 8u - 6 and u = 3x - 8.
Dmitriy789 [7]

Use the chain rule:

\dfrac{\mathrm dy}{\mathrm dx}=\dfrac{\mathrm dy}{\mathrm du}\dfrac{\mathrm du}{\mathrm dx}

We have

y=8u-6\implies\dfrac{\mathrm dy}{\mathrm du}=8

u=3x-8\implies\dfrac{\mathrm du}{\mathrm dx}=3

so we get

\dfrac{\mathrm dy}{\mathrm dx}=8\cdot3=\boxed{24}

Alternatively, you can substitute <em>u</em> in the definition of <em>y</em> and differentiate with respect to <em>x</em> :

y=8u-6=8(3x-8)=24x-64\implies\dfrac{\mathrm dy}{\mathrm dx}=24

7 0
3 years ago
A student currently is averaging 65.0% of the points in lecture (worth 60% of total grade) and has a 75.0% in lab (worth 40% of
earnstyle [38]

Answer:

69

Step-by-step explanation:

If she is averaging 65% of the worth of lectures.

the lectures she had was supposedly rated out of 60. Therefore, the 65% will be 65% of 60(total grade)

0.65 * 60 = 39

On the second part, if we apply the same method, we have

0.75 * 40 = 30

All we have to do on add both together

39 + 30 = 69.

therefore, get total grade in the course is 69

6 0
3 years ago
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