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2 years ago

julia has 3 1/2 pounds of dog food. she plans to split it equally among her 7 dogs. how much dog food will each dog receive

Mathematics

2 answers:

Tcecarenko [31]2 years ago

5 0

Divide 3 1/2 by 7
7/2 x 1/7 = 7/14 = 1/2 pound

sweet [91]2 years ago

5 0

7/2 / 7 is going to be 2

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PLZ HELP

Alex

Answer:

The correct option is C ) 109.5°

Therefore,

$m\angle E=109.5\°$

Step-by-step explanation:

Given:

In Triangle DEF

d = 10

e = 18

f = 12

To Find

angle E = ?

Solution:

In Triangle DEF , Cosine Rule says

$\cos E=\dfrac{f^{2}+d^{2}-e^{2}}{2fd}$

Substituting the values we get

$\cos E=\dfrac{12^{2}+10^{2}-18^{2}}{2\times 12\times 10}$

$\cos E=\dfrac{-80}{240}=-\dfrac{1}{3}$

Therefore,

$\angle E=\cos^{-1}(-0.3333)$

$m\angle E=109.5\°$ ............As it is in Second Quadrant

Therefore,

$m\angle E=109.5\°$

4 0

3 years ago

Jacob and Sarah are saving money to go on a trip. They need at least $2000 in order to go. Jacob mows lawns and Sarah walks dogs

Paladinen [302]

Answer:

$20x+10y\ge 2000$

Step-by-step explanation:

Let x represent the number of lawns Jacob mowed and y represent the number of dogs Sarah walked.

Jacob charges $20 each time he mows a lawn, then he earns $20x for x lawns mowed.

Sarah charges $10 each time she walks a dog, then she earns $10y for y dogs walked.

In total, they will earn $(20x + 10y). They need at least $2000 in order to go on a trip, then

$20x+10y\ge 2000$

Note that $x\ge 0,\ y\ge 0.$

7 0

3 years ago

Compute the volume of a sphere with a radius of 12 inches.

dalvyx [7]

V=(4pr^3)/3 if r=12

V=2304p in^3

3 0

3 years ago

Harry Joodini has insured his home for 85% of its replacement value of $185,000. Use the chart to determine the amount of covera

Reika [66]

Total coverage = 0.85 x 185,000 = $157,250

Coverage for Loss of Use = 0.25 x 157250 = $39,312.50

7 0

3 years ago

Can someone help me please

laiz [17]

Area of trapezium= 1/2 × (a+b) × h

= 1/2 × (12 + 8) × 8

= 1/2 × 20 × 8

= 10 × 8

= 80 cm^3

Hope it helps you

3 0

2 years ago