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3 years ago

A=the quantity of 4 minus all raised to the five - minus-2 power

Mathematics

1 answer:

Katena32 [7]3 years ago

5 0

Answer:

step by step explanation

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storchak [24]

Question:

Lisa walks at an average speed of 6 km/h for 15 hours.

Dan completes the same distance in an hour. Calculate Dan's average speed.

Answer:

$Speed = 90km/hr$

Step-by-step explanation:

Given

Lisa:

$Speed = 6km/hr$

$Time = 15\ hr$

First, we calculate the distance covered by Lisa:

$Distance = Speed * Time$

$Distance = 6km/hr * 15\ hr$

$Distance = 90km$

So, Dan distance can be represented as:

$Distance = 90km$ --- Dan completes the same distance as Lisa

$Time = 1\ hr$ -- Time to complete the distance

Dan's average speed is:

$Speed = \frac{Distance}{Time}$

$Speed = \frac{90km}{1\ hr}$

$Speed = 90km/hr$

Hence, Dan's average speed is 90km/hr

4 0

3 years ago

Solve: 22,440=6,200e^0.06T 22,440=6,200e^0.1T

Tomtit [17]

Answer:

$22440=6200e^{0.06T}$

$\implies \dfrac{561}{155}=e^{0.06T}$

$\implies \ln\dfrac{561}{155}=\ln e^{0.06T}$

$\implies \ln\dfrac{561}{155}=0.06T$

$\implies T=\dfrac{50}{3}\ln\dfrac{561}{155}$

$\implies T=21.43826314...$

$22440=6200e^{0.1T}$

$\implies \dfrac{561}{155}=e^{0.1T}$

$\implies \ln\dfrac{561}{155}=\ln e^{0.1T}$

$\implies \ln\dfrac{561}{155}=0.1T$

$\implies T=10\ln\dfrac{561}{155}$

$\implies T=12.86295789...$

3 0

2 years ago

Is triangle A'B'C' a dilation of triangle ABC? Explain.

tresset_1 [31]

C.No, it is not a dilation because the points of the image are not moved away from the center of dilation proportionally.

3 0

4 years ago

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a garden is in a shape of a rectangle ABCD and a semi circle AD the diameter of the semi circle carol is going to cover the gard

ser-zykov [4K]

The shape of the garden is composite figure of a rectangle and a semicircle. The area of that shape will be
Area = AB x CD + π x AD² / 4
Once the area is calculated, the number of boxes of fertilizer is determined
Area / 12 m = Number of boxes
After getting the number of boxes, the total cost can be determined
£4.99 x Number of boxes

5 0

3 years ago

The measure of c is?

Cloud [144]

$answer \\ \sqrt{208} \\ solution \\ hypotenuse = c \\ perpendicular = 8 \\ base = 12 \\ using \: pythagoras \: theorem \\ {h}^{2} = {p}^{2} + {b}^{2} \\ or \: {c}^{2} = {8}^{2} + {12}^{2} \\ or \: {c }^{2} = 64 + 144 \\ or \: {c}^{2} = 208 \\ c = \sqrt{208} \\ hope \: it \: helps$

3 0

3 years ago

Read 2 more answers