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WARRIOR [948]
3 years ago
13

Farmer Brown and Farmer Green were talking over their fence one afternoon. Farmer Brown said, "If you gave me one of your cows,

we would have the same number of cows." Farmer Green said, "If you gave me one of your cows, I would have twice as many cows as you." How many cows do they have in total?
Mathematics
1 answer:
qaws [65]3 years ago
3 0

Farmer Brown has 5 cows and farmer Green has 7 cows

Step-by-step explanation:

Let the no. of cows farmer brown has be 'b'

Let the no. of cows farmer green has be 'g'

Given that,

B+1 = G-1

G = B + 2

G+1 = 2(B-1)

G+1 = 2B - 2

G = 2B -3

B + 2 = 2B - 3

2 + 3 = 2B - B

B = 5

G = B +2

G = 5 + 2

G = 7

Farmer Brown has 5 cows and farmer Green has 7 cows

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3 years ago
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Lala eats three times as many pancakes as her little sister Carmen. If Carmen eats m pancakes, how many pancakes does Lala eat?
GarryVolchara [31]

Answer:21

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3 0
3 years ago
22.
Vlada [557]

Step-by-step explanation:

\sqrt{p}  =  \sqrt[r]{w -  {as}^{2} }

Find raise each side of the expression to the power of r

That's

<h2>( \sqrt{p} )^{r}  =  (\sqrt[r]{w -  {as}^{2} } ) ^{r}</h2>

we have

<h2>( \sqrt{p} )^{r}  =  w -  {as}^{2}</h2>

Send w to the left of the equation

<h2>( \sqrt{p} )^{r}  - w =  -{as}^{2}</h2>

Divide both sides by - a

We have

<h2>{s}^{2}  =  -\frac{( \sqrt{p} )^{r}  - w}{a}</h2>

Find the square root of both sides

We have the final answer as

<h2>s =  \sqrt{ -\frac{( \sqrt{p} )^{r} - w }{a} } </h2>

Hope this helps you

3 0
3 years ago
?? “solve the missing elements for each problem. use 3.14 for area
velikii [3]

Answer:

Problem 4:

Radius = 11 cm.

Circumference = 69.08 cm.

Problem 5:

Radius = 14 mm.

Circumference = 87.92 mm.

Problem 6:

Radius = 9 inches.

Circumference = 56.52 inches.

Problem 7:

Diameter = 32 ft.

Circumference = 100.48 ft.

Problem 8:

Diameter = 26 yards.

Circumference = 81.64 yards.

Problem 9:

Diameter = 12 cm.

Circumference = 37.68 cm.

Step-by-step explanation:

Problem 4:

Given:

Diameter GH = 22 cm

We need to find the radius EF and Circumference of the circle.

Now radius is given by half of the diameter

Also Circumference is given by π times diameter.

Radius EF = \frac{1}{2}\times Diameter = \frac{1}{2}\times 22 = 11 \ cm

Circumference = \pi \times Diameter = 3.14 \times 22 = 69.08\ cm

Hence Radius = 11 cm

Circumference = 69.08 cm.

Problem 5:

Given:

Diameter OP = 28 mm

We need to find the radius MN and Circumference of the circle.

Now radius is given by half of the diameter

Also Circumference is given by π times diameter.

Radius MN = \frac{1}{2}\times Diameter = \frac{1}{2}\times 28 = 14 \ mm

Circumference = \pi \times Diameter = 3.14 \times 28 = 87.92\ mm

Hence Radius = 14 mm

Circumference = 87.92 mm.

Problem 6:

Given:

Diameter EF = 18 inches

We need to find the radius CD and Circumference of the circle.

Now radius is given by half of the diameter

Also Circumference is given by π times diameter.

Radius CD = \frac{1}{2}\times Diameter = \frac{1}{2}\times 18 = 9 \ in

Circumference = \pi \times Diameter = 3.14 \times 18 = 56.52\ in

Hence Radius = 9 inches.

Circumference = 56.52 inches.

Problem 7:

Given:

Radius GH = 16 ft

We need to find the Diameter CD and Circumference of the circle.

Now Diameter is given by twice the radius.

Also Circumference is given by π times diameter.

Diameter KJ = 2 \times radius = 2 \times 16 = 32 \ ft

Circumference = \pi \times Diameter = 3.14 \times 32 = 100.48\ ft

Hence Diameter = 32 ft.

Circumference = 100.48 ft.

Problem 8:

Given:

Radius LM = 13 yards

We need to find the Diameter CD and Circumference of the circle.

Now Diameter is given by twice the radius.

Also Circumference is given by π times diameter.

Diameter NO = 2 \times radius = 2 \times 13 = 26 \ yards

Circumference = \pi \times Diameter = 3.14 \times 26 = 81.64\ yards

Hence Diameter = 26 yards.

Circumference = 81.64 yards.

Problem 9:

Given:

Radius NO = 6 cm

We need to find the Diameter CD and Circumference of the circle.

Now Diameter is given by twice the radius.

Also Circumference is given by π times diameter.

Diameter PQ = 2 \times radius = 2 \times 6 = 12 \ cm

Circumference = \pi \times Diameter = 3.14 \times 12 = 37.68\ cm

Hence Diameter = 12 cm.

Circumference = 37.68 cm.

3 0
3 years ago
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d1i1m1o1n [39]

Answer:

Step-by-step explanatio

We look for the side

To know how many meters of wire we must first know the measurement of the sides of the land. They give us a land area of ​​196 m², as the land is square, we can take the square root of the area and we have the dimension of the sides

L = √196 m²

L = 14 m

Once the value of the side of the land is obtained, we proceed to determine the perimeter of the land, which will give us the size of the wire to fence

P = L + L + L + L

P = 14m + 14m + 14m + 14m

P = 56 m (this is the dimension of the wire for one turn of the ground)

They ask us for 5 laps.

56m * 5 = 280m

it takes 280 m

6 0
3 years ago
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