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sergey [27]
3 years ago
7

HELP ME PLEASE

Mathematics
1 answer:
stiks02 [169]3 years ago
8 0

Answer:

No.

Step-by-step explanation:

Amount of time that Hank has today for hike = 4 hours

Lengtht of hike trail = 6 miles

Elevation gain of trail = 3000 feet

The expression Hanks use as a general guide is:

\frac{1}{2}d+\frac{1}{2}e

Here,

d is the distance in miles, so for given case d = 6

e is the elevation gain in thousands, so for given case e = 3

Using these values, the approximate time Hank would need for the hike comes out to be:

\frac{1}{2}(6)+\frac{1}{2}(3)= 4.5

Thus, Hank would need 4.5 hours to complete the hike. Since, he has only 4 hours available today he wont be able to complete the hike.

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bulgar [2K]

Answer:

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4 0
3 years ago
Find the surface area
Brut [27]

Answer:

Step-by-step explanation:

area of top=7×6=42 yd²

area of bottom=3×6=18 yd²

area of two rectangles=2[4×6]=48 yd²

area of two trapezoids=2[1/2(7+3)×3.5]=35 yd²

total surface area=42+18+48+35=143 yd²

7 0
3 years ago
A bakery offers a sale price of $3.45 for 4 muffins. What is the price per dozen?
Vlad [161]

Answer:

Cost of 4 muffins = $3.45

Cost of 12 muffins = (3 sets of  x 4 muffins = 12)

Cost of 3 sets of muffins = $3.45 x3 = $10.35

Step-by-step explanation:

3 0
3 years ago
Can someone please help me ASAP
maxonik [38]

mean

=(0.9+0.5+0.3+1.1)/4

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6 0
4 years ago
Two streets bounding your triangular lot make an angle of 74∘. The lengths of the two sides of the lot on these streets are 126
ycow [4]

Answer: a) Yes, there is enough fance

b) 58.1° and 47.9°

c) The city will not approve, because 1/3 of the area is just 2220.5ft²

Step-by-step explanation:

a) using law of cosines: x is the side we do not know.

x² = 126² + 110² - 2.126.110.cos74°

x² = 20335.3

x = 142.6 ft

So 150 > 142.6, there is enough fance

b) using law of sine:

sin 74/ 142.6 = sinα/126 = sinβ/110

sin 74/ 142.6 = sinα/126

0.006741 = sinα/126

sinα = 0.849

α = sin⁻¹(0.849)

α = 58.1°

sin 74/ 142.6 = sinβ/110

sin 74/ 142.6 = sinβ/110

0.006741 = sinβ/110

sinβ = 0.741

β = sin⁻¹(0.741)

β = 47.9°

Checking: 74+58.1+47.9 = 180° ok

c) Using Heron A² = p(p-a)(p-b)(p-c)

p = a+b+c/2

p=126+110+142.6/2

p=189.3

A² = 189.3(189.3-126)(189.3-110)(189.3-142.6)

A = 6661.5 ft²

1/3 A = 2220.5

So 2300 >  2220.5. The area you want to build is bigger than the area available.

The city will not approve

7 0
3 years ago
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