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3 years ago

How many subsets are there of the set {a,b,t,i,e}?

Mathematics

1 answer:

kipiarov [429]3 years ago

4 0

Answer:

subset a{vowel letters}

subset b{consonants letters}

HOPE IT HELPS

PLZZZ MARK BRAINLIEST

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which equation represents an exponential function that passes through the point (2, 80)? f(x) = 4(x)5 f(x) = 5(x)4 f(x) = 4(5)x

pav-90 [236]

we know that

if the exponential function passes through the given point, then the point must satisfy the equation of the exponential function

we proceed to verify each case if the point $(2,80)$ satisfied the exponential function

case A $f(x)=4(x^{5})$

For $x=2$ calculate the value of y in the equation and then compare with the y-coordinate of the point

$f(2)=4(2^{5})=128$

$128\neq 80$

therefore

the exponential function $f(x)=4(x^{5})$ not passes through the point $(2,80)$

case B $f(x)=5(x^{4})$

For $x=2$ calculate the value of y in the equation and then compare with the y-coordinate of the point

$f(2)=5(2^{4})=80$

$80=80$

therefore

the exponential function $f(x)=5(x^{4})$ passes through the point $(2,80)$

case C $f(x)=4(5^{x})$

For $x=2$ calculate the value of y in the equation and then compare with the y-coordinate of the point

$f(2)=4(5^{2})=100$

$100\neq 80$

therefore

the exponential function $f(x)=4(5^{x})$ not passes through the point $(2,80)$

case D $f(x)=5(4^{x})$

For $x=2$ calculate the value of y in the equation and then compare with the y-coordinate of the point

$f(2)=5(4^{2})=80$

$80=80$

therefore

the exponential function $f(x)=5(4^{x})$ passes through the point $(2,80)$

therefore

the answer is

$f(x)=5(x^{4})$

$f(x)=5(4^{x})$

7 0

3 years ago

A student gets 62% on their test. Which is a D. But the teacher offers to up that grade by 15%. What grade does that student hav

antoniya [11.8K]

Answer:

71%

Step-by-step explanation:

I'm not completely sure its correct but I think it is hopefully it helps!!!

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3 years ago

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Do the ratios 2/1 and 20/10 form a proportion?

Nutka1998 [239]

2/1 THATS 2 (caps my bad) and 20/10 that’s also 2 the proportion is y=2x

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3 years ago

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Timed math quiz problem 8

Sunny_sXe [5.5K]

Answer:

Step-by-step explanation:

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3 years ago

What is the answer to - 5y = - 5 and. 7x +6y=7

Vikentia [17]

Answer:

(1/7, 1)

Step-by-step explanation:

By "answer," you probably meant "solution." What is the "solution of the system of linear equations

- 5y = - 5

+ 7x +6y=7

The first eqation can be solved for y: y = 1. Substitute 1 for y in the secon equation. Then 7x + 6(1) = 7, or 7x = 1, or x = 1/7.

The solution to this system is (1/7, 1)

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3 years ago