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swat32
3 years ago
10

jordan is twice as old as kevin. kevin is 4 times old as george. if george is 2 years old, then how old is jordan and kevin

Mathematics
2 answers:
Marina CMI [18]3 years ago
7 0
Kevin is 8 years old and Jordan is 16.
umka2103 [35]3 years ago
3 0
I think Jordan would be 16 and Kevin would be 8. Sorry if this is wrong...
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If k(x) = 5x-6, which expression is equivalent to (k+k) (4)?
goldenfox [79]

Answer:

<em>5(4) - 6 + 5(4) - 6</em>

Step-by-step explanation:

k(x) = 5x - 6

(k+k)(x) = 5x - 6 + 5x - 6

(k+k)(4) = 5(4) - 6 + 5(4) - 6

=> Option D is correct

Hope this helps!

5 0
3 years ago
Find the domain and range of the exponential function h(x) = 125x.
kirill [66]
H(x) = 125^x

Domain: all the real numbers (from negative infinity to infinity)

Range: all the positive real numbers.

As x decreases 125^x decreases approaching to 0. The function will never reach the value 0 but will approximate to it as x goes to negative infinity. The rate of decreasing gets lower and lower, with a limit of zero, when x becomes more and more negative.

As x increases 125^x increases indefinetely and at an increasing rate. That means that the increase is accelerated (the bigger the value of x the bigger the rate of increasing).
4 0
2 years ago
A cell phone provider will allow you to buy a phone over time. They require a $50 initial payment and then charge $25 per month.
kumpel [21]

Answer:

25

Step-by-step explanation:

Given that:

Initial payment done for buying the phone = $50

Charges per month for the phone = $25 per month

To find:

The equation to represent the situation and its slope.

Solution:

First of all, let us assume that m represents the number of months for which monthly is to be made.

Charges paid for one month = $25

Charges paid for m months =  $25m

Total cost of the phone = Initial payment + Charges paid for m months

C = 25m + 50

It is a linear equation between two variables C and m.

This equation can be compared with slope intercept form of a line.

Slope intercept form of a line is represented by:

y=Mx+c

M is the slope.

On Comparing, we get:

y = C, M = 25, x = m, c = 50

Therefore, the slope is <em>25</em>.

5 0
2 years ago
I need help on this math question !!!!
vichka [17]

D. Although I'm not 100% sure

4 0
2 years ago
15% of 25 is what? Please answer asap
olganol [36]

Answer: 3.75

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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