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marta [7]
3 years ago
13

Please help me it one question and give explanation because a lot of people lie and make me get wrong:(

Mathematics
1 answer:
Akimi4 [234]3 years ago
7 0

Answer:

H

Step-by-step explanation:

it doesn't accurately reflect a representation because you still don't know exactly how much the birds and snakes are. you know what they are together but not apart and that's not acceptable

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Evaluate the function f(x) = -4x + 2, when x = -1.
Mkey [24]

Answer:

Option D

Step-by-step explanation:

f(x) = -4x + 2

f(-1) = -4(-1) + 2 = 4 + 2 = 6

3 0
3 years ago
Use logarithmic differentiation to find dy/dx. y = (1 + x)^1/x, x > 0
vovangra [49]

Use exp/log functions to rewrite y as

y = (1+x)^{\frac1x} \implies y = \exp\left(\ln\left(1+x)^{\frac1x}\right)\right)

One of the properties of logarithms lets us bring down the exponent, so

y = \exp\left(\dfrac{\ln(1+x)}x\right)

Now take the derivative of both sides with respect to x. By the chain and quotient rules,

\dfrac{dy}{dx} = \exp\left(\dfrac{\ln(1+x)}x\right) \times \dfrac{\frac x{1+x} - \ln(1+x)}{x^2}

Simplify:

\boxed{\dfrac{dy}{dx} = \frac{x - (1+x)\ln(1+x)}{x^2(1+x)} (1+x)^{\frac1x}}

6 0
2 years ago
QUESTION 11.1
lawyer [7]

The group paid $ 5250 at first city and $ 6250 at second city

<u>Solution:</u>

Let x = the charge in 1st city before taxes

Let y = the charge in 2nd city before taxes

The hotel charge before tax in the  second city was $1000 higher than in the first

Then the charge at the second hotel before tax will be x + 1000

y = x + 1000 ----- eqn 1

The tax in the first city was 8.5% and the  tax in the second city was 5.5%

The total hotel tax paid for the two cities was $790

<em><u>Therefore, a equation is framed as:</u></em>

8.5 % of x + 5.5 % of y = 790

\frac{8.5}{100} \times x + \frac{5.5}{100} \times y = 790

0.085x + 0.055y = 790 ------- eqn 2

<em><u>Let us solve eqn 1 and eqn 2</u></em>

<em><u>Substitute eqn 1 in eqn 2</u></em>

0.085x + 0.055(x + 1000) = 790

0.085x + 0.055x + 55 = 790

0.14x = 790 - 55

0.14x = 735

<h3>x = 5250</h3>

<em><u>Substitute x = 5250 in eqn 1</u></em>

y = 5250 + 1000

<h3>y = 6250</h3>

Thus the group paid $ 5250 at first city and $ 6250 at second city

8 0
3 years ago
Pls help will give brainiest<br> Find the length of A.
Reptile [31]

Answer:

5

Step-by-step explanation:

13^2=169

12^2=144

169-144=25

Root 25 is 5

7 0
3 years ago
Read 2 more answers
Describs how to identify the coordinate of an improper fraction on a number line.
Ainat [17]

Answer:

Step-by-step explanation:In order to graph the improper fraction you have to change it to a mixed number

say we have 4/3 ,as a mixed number it would be 1 1/3 so we would graph

the 1 1/3 at 1 and break the space in between 1 and 2 into 3 and mark the first 3rd tally

7 0
3 years ago
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