3 years ago

Which inequality represents this sentence?

Mathematics

1 answer:

Natasha2012 [34]3 years ago

5 0

The last answer is correct

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Give your answer as a mixed number<br> 4 3/7 - 2 5/7<br> get brainliest urgent plz help

serg [7]

Answer:

$1\frac{5}{7}$

Step-by-step explanation:

$4\frac{3}{7} -2\frac{5}{7}$

Step 1. Simplify left side 4*7+3 , Right Side 2*7+5

$=\frac{31}{7} -\frac{19}{7} = \frac{12}{7}$

Step 2. Re-write 12/7 as mixed number

$\frac{12}{7} = 1\frac{5}{7}$

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3 years ago

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melamori03 [73]

Answer:

-1

Step-by-step explanation:

8 0

3 years ago

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Determine if the function f(x) = 4√x − 3x satisfies the Mean Value Theorem on [4, 49]. If so, find all numbers c on the interval

Vedmedyk [2.9K]

Answer:

Step-by-step explanation:

The mean value theorem states that for a continuous and differentiable function on a interval there exists a number c from that interval, that

$f'(c)=(f(b)-f(a))/(b-a)$

First we must determine the endpoints:

$f(49)=-119$

$f(4)=-4$

We find the derivative of the function, f'(c)

$f'(c)=3+2\sqrt{c}$

Therefore:

$3+2\sqrt{c}=((-119)-(-4))/((49)-(4))$

Simplify:

$3+2\sqrt{c}=-23/9$

$c=81/4$

7 0

3 years ago

-4x - 9(x - 2)? Need help

Veseljchak [2.6K]

Answer:

−13x+18

Step-by-step explanation:

=−4x+(−9)(x)+(−9)(−2)

=−4x+−9x+18

Combine Like Terms:

=−4x+−9x+18

=(−4x+−9x)+(18)

=−13x+18

6 0

3 years ago

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Half of the product of two consecutive numbers is 105. Which equation can be used to solve for n, the smaller of the two numbers

ss7ja [257]

Givens

The numbers are n and n + 1

Average = Av = 105

Equation

Av = (n)(n + 1)/2

Solution

Av = 105

n(n +1)/2 = 105 Multiply both sides by 2

n(n + 1) = 105 * 2

n(n + 1) = 210 Remove the brackets.

n^2 + n = 210 Subtract 210 from both sides

n^2 + n - 210 = 0

factor

(n+15)(n - 14)

n + 15 = 0

n = - 15

n = - 15 which is the smallest of the two answers.

n + 1 = - 14

8 0

3 years ago