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Vedmedyk [2.9K]
4 years ago
6

The graph of y = -3x + 2 intersects the graph of an exponential function at (-1, 5). Which of the following could be the exponen

tial function? y = 10(2)x y = 10(0.5)x y = 5x y = 5(2)x
Mathematics
2 answers:
dybincka [34]4 years ago
6 0
One way is to subsitute the point (-1,5) for every function and see which one gives a true statement

5=10(2)^(-1) is true

5=10(0.5)^-1 is false

5=5(-1) is false

5=5(2)^-1 is false



answer is y=10(2)ˣ
Leno4ka [110]4 years ago
6 0

Answer:

y=10(2)ˣ

Step-by-step explanation:

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8 0
3 years ago
Let n be an odd integer with exactly 11 positive divisors. Find the number of positive divisors of 8n^3
Tom [10]

Answer: 124

Step-by-step explanation:

As we know, the total number of positive divisors of n is the product of one more than each exponent in the prime factorization of n.

We know this product is equal to 11.

Since 11 is prime, so there can be only one number in this product, so the prime factorization of n must be $n=p^{10}$, where p is a prime number.

We take a cube of the prime factorization of n to give us a prime factorization for n^3

$$n^{3}=\left(p^{10}\right)^{3}=p^{30} .$$

We see that n^{3}\text{ has }$30+1=31$ positive divisors.

Now, 8n^3=2^3\times p^{30}

Totald divisiors = (3+1)(30+1)=4\times31=124

Hence, the number of positive divisors of 8n^3=124

4 0
3 years ago
As an estimation we are told 5 miles is 8 km covert 12 km to miles
eduard

Step-by-step explanation:

5miles=8km

? =12

5miles×12km=?×8km

60km miles=?×8km

?=60miles÷8

?=7.8miles

4 0
3 years ago
Please help Urgently. Best answer gets brainliest!
mr_godi [17]

is it (8,6)

I'm sorry if it's wrong

4 0
2 years ago
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morpeh [17]

Answer:

2:5

Step-by-step explanation:

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3 years ago
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