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3 years ago

M s

Mathematics

1 answer:

user100 [1]3 years ago

5 0

Answer:

Step-by-step explanation:

s = 6m.... (given)

We need to find the value of s when m = 3

So plug m = 3 in the above equation, we find:

s = 6*3

s = 18

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Solve for the coefficient a in vertex form for the parabola in Daredevil Danny’s practice jump

LuckyWell [14K]

Answer:

-8/25 or -0.32

Step-by-step explanation:

Vertex is (25, 32)

The function in vertex form:

y = a(x - 25)² + 32

x- intercepts are 15 and 35:

0 = a(15 - 25)² + 32 or 0 = a(35 - 25)² + 32
0 = a*100 + 32
100a = - 32
a = -32/100
a = -8/25 or -0.32

8 0

3 years ago

Is <img src="https://tex.z-dn.net/?f=2%5E%7B-3%7D" id="TexFormula1" title="2^{-3}" alt="2^{-3}" align="absmiddle" class="latex-f

TEA [102]

Answer:

Rational

Step-by-step explanation:

$2^{-3}$ simplifies to $\frac{1}{8}$ .

Therefore, it is rational.

$2^{-3}\\\\\text {Apply negative exponent rule: } a^{-n} = \frac{1}{a^n} \\2^{-3}= \frac{1}{2^3}\\ \rightarrow 2^3 = 2*2*2=8\\\boxed{2^{-3}=\frac{1}{8}}$

Brainliest Appreciated.

5 0

3 years ago

PLS HELP WILL MARK BRAINLIEST

Kitty [74]

Answer:

Step-by-step explanation:

I think its three i dont do alot of this but yea

5 0

4 years ago

Read 2 more answers

A cargo train and a passenger train, which start from two stations that are 710 km apart, are traveling towards each other. The

ExtremeBDS [4]

Answer:

The trains will meet in 3 hours.

Step-by-step explanation:

The initial distance between the trains was 710 km, but since the cargo train started an hour before the passenger train, it has already covered some distance towards it. The distance the cargo train has covered is simply the product of its speed $v_{ct}$ and the time taken $t$ :

$D =v_{ct}t=(110km/hr)* 1hr =110km.$

So the distance left between the trains is the starting distance minus this distance:

$D_{left}=710km-110km=600km.$

Now both trains are travelling towards each other, this means the rate at which the distance that is being covered is equal to the sum of the speeds of the trains:

$v_{tot}=v_{ct}+v_{pt}=(110km/hr)+(90km/hr)=200km/hr$

Now that we have the speed, it is easy to calculate the amount of time it will take for the trains to meet:

$t=\frac{D_{left}}{v_{tot}} =\frac{600km}{200km/hr} =\boxed{3\:hours.}$

Thus the cargo train and the passenger train will meet in 3 hours.

7 0

3 years ago

Determine how far the vehicle travels in 3 hours.

Vlad1618 [11]

Answer:

Motorcycle travel 150 miles in 3 hours

step by step explanation:

3:0,5=6

. 6

___

150

7 0

3 years ago