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Alja [10]
3 years ago
9

Simplify the following expression 6.187-0.36

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
6 0
To put add plus sign and minus sign, and it gives too negative 0.36, and the answer is equal to 5.827.

=6.187+-0.36
Answer is=5.827
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Benjamin threw a rock straight up from a cliff that was 48 ft above the water. If the height of the rock​ h, in​ feet, after t s
fomenos

Answer: It will take 4 seconds  for the rock to hit the​ water.

Step-by-step explanation:

Given : Benjamin threw a rock straight up from a cliff that was 48 ft above the water.

If the height of the rock​ h, in​ feet, after t seconds is given by the equation

h = -16 t^2+ 52 t + 48

To find : Time taken for the rock to hit the​ water.

When rock hit the water height becomes zero , i.e. put h = 0 , we get

-16 t^2+ 52 t + 48 =0

Divide equation by 2 , we get

-8t^2+26t+24=0

The Laue of x for ax²+bx+c =0 is x=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}

So , t=\frac{-26\pm\sqrt{(26^{2}-4(-8)(24))}}{2(-8)}

t=\dfrac{-26\pm 38}{-16}\\\\ t=-\dfrac{-26+38}{-16}=-0.75\ \ t=\dfrac{-26-38}{-16}=4

Since t cannot be negative , so t= 4

Hence, it will take 4 seconds  for the rock to hit the​ water.

5 0
3 years ago
Plz help me with this
Andreyy89
The answer would be C
7/9 = 0.77777778
8 0
3 years ago
Thank you, have a great day.
wel

Answer: ?

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Given:
Goryan [66]

Answer:

a.Converge

b.Diverge

Step-by-step explanation:

We are given that

A_n=\frac{6n}{-4n+9}

\lim_{n\rightarrow \infty}A_n=\lim_{n\rightarrow \infty}\frac{6n}{-4n+9}=\frac{6n}{n(-4+\frac{9}{n})}

\lim_{n\rightarrow \infty}\frac{6}{-4+\frac{9}{n}}=\frac{6}{-4}=\frac{-3}{2}

Because \frac{9}{\infty}=0

Hence, sequence An converges to \frac{-3}{2} when n tends to infinity or - infinity.

\sum_{n=1}^{\infty}An=\sum_{n=1}^{\infty}\frac{6n}{-4n+9}=diverges

Necessary condition for a series to converge :

an\rightarrow 0 when n tends to infinity .

But A_n tends to \frac{-3}{2}when n tends to infinity.

Therefore, given series is divergent.

5 0
3 years ago
Turn this into a formula and step by step on how to solve it.
True [87]

Answer:

2155.13

Step-by-step explanation:

Pi * r(squared)*h

7 0
3 years ago
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