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3 years ago

What is the exponential equation

Mathematics

1 answer:

Len [333]3 years ago

3 0

I am pretty sure it’s the second one

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Whats is nineteen point five diveided by one hundred

Dennis_Churaev [7]

19,5/100=0,195................

5 0

3 years ago

What is the combined mass of the moon(7.3*10^22)earth(590*10^22)and pluto(1.3*10^22)

yan [13]

It's the sum of the three masses:

$7.3\cdot10^{22} + 590\cdot10^{22} + 1.3\cdot10^{22} = (7.3 + 590 + 1.3)10^{22} = 598.6\cdot10^{22}$

6 0

3 years ago

What is a simplified eCarlotta thinks that 3y + 5y3 is the same as 8y4. Which statement shows that it is NOT the same?Xpression

stira [4]

Questions:

(a) What is a simplified expression for (x + y) – (x – y)?

(b) Carlotta thinks that $3y + 5y^3$ is the same as $8y^4$ . Which statement shows that it is NOT the same?

Answer:

$(x + y) - (x - y) =2y$

$3y + 5y^3 \ne 8y^4$

Step-by-step explanation:

Solving (a):

Given

$(x + y) - (x - y)$

Required

Simplify

$(x + y) - (x - y)$

Open brackets

$(x + y) - (x - y) = x + y - x + y$

Collect Like Terms

$(x + y) - (x - y) = x - x+ y + y$

$(x + y) - (x - y) = y + y$

$(x + y) - (x - y) =2y$

Solving (b):

Given

$3y + 5y^3$ and $8y^4$

Required

Which expression shows they are not the same

The expression that shows this is:

$3y + 5y^3 \ne 8y^4$

Take for instance; y=2

Substitute 2 for y in $3y + 5y^3 \ne 8y^4$

$3*2 + 5*2^3 \ne 8*2^4$

Evaluate all exponents

$9 + 5*8 \ne 8*16$

$9 + 40 \ne 128$

$49 \ne 128$

The above expression supports $3y + 5y^3 \ne 8y^4$

5 0

3 years ago

How many birds fly south every year?

Paraphin [41]

Answer:

I believe it is 4 billion

Step-by-step explanation:

Hope I helped!

5 0

3 years ago

Is (5,-4) a solution to the linear inequality 2x - 3y is less than or equal to 7

grandymaker [24]

To check, plug the x and y values into the inequality

2x-3y<7
2(5)-3(-4)<7
10+12<7
22<7

Clearly, 22 is not less than or equal to 7, so this point is not a solution to the linear inequality

5 0

4 years ago