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2 years ago

Can someone help with this? the question is "What is the value of x that makes the equation true?"

Mathematics

1 answer:

Ivan2 years ago

4 0

Answer:

1.25

Step-by-step explanation:

8 - 3 ( values given ) = 5

With 4 variables that should be equal, we need to get a total of 5

5 divided by 4 is 1.25

To check, multiply 1.25 by 4 and add 3 which is 8

Sorry if it's confusing, I don't really get the question-

But I tried :')

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Can someone explain this differentiation question to me? I can differentiate but then I'm not sure what I am doing

weeeeeb [17]

note that gradient = $\frac{dy}{dx}$ at x = a

calculate $\frac{dy}{dx}$ for each pair of functions and compare gradient

(a)

$\frac{dy}{dx}$ = 2x and $\frac{dy}{dx}$ = - 1

at x = 4 : gradient = 8 and - 1 : 8 > - 1

(b)

$\frac{dy}{dx}$ = 2x + 3 and $\frac{dy}{dx}$ = - 2

at x = 2 : gradient = 7 and - 2 and 7 > - 2

(c)

$\frac{dy}{dx}$ = 4x + 13 and $\frac{dy}{dx}$ = 2

at x = - 7 : gradient = - 15 and 2 and 2 > - 15

(d)

$\frac{dy}{dx}$ = 6x - 5 and $\frac{dy}{dx}$ = 2x - 2

at x = - 1 : gradient = - 11 and - 4 and - 4 > - 11

(e)

y = √x = $x^{\frac{1}{2} }$

$\frac{dy}{dx}$ = 1/(2√x) and $\frac{dy}{dx}$ = 2

at x = 9 : gradient = $\frac{1}{6}$ and 2 and 2 > $\frac{1}{6}$

4 0

3 years ago

7th grade math help me please :(

coldgirl [10]

Answer:

<h2>92 remainder 280</h2>

Step-by-step explanation:

$\frac{65600}{710}=92\:remainder\:280\\\\\frac{65600}{710}=92\frac{280}{710}$

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2 years ago

If justin has 90 tacos and loses 15 how many does he have

Ne4ueva [31]

Answer:75

Step-by-step explanation:

90-15=75

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2 years ago

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9966 [12]

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3 years ago

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DiKsa [7]

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3 years ago