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Stells [14]
3 years ago
15

What is the value of x?

Mathematics
1 answer:
rewona [7]3 years ago
4 0
I have no clue but I just need points I’m Srry in advance
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one third of a land is on maize, a fifth of the remainder is on potatoes and the rest which is 0.5 ha is on beans. how much of t
disa [49]

Answer: 1250\ m^2

Step-by-step explanation:

Let x= Total land.

Then for Maize = \dfrac{x}{3}    

For Potatoes = \dfrac15(x-\dfrac {x}{3})=\dfrac15(\dfrac{2x}{3})=\dfrac{2}{15}x

For beans = x- (\dfrac{x}{3}+\dfrac{2}{15}x)=0.5 \ ha

\Rightarrow\ x- (\dfrac{5x+2x}{15})=0.5 \ ha\\\\\Rightarrow\ x- (\dfrac{7x}{15})=0.5 \ ha\\\\\Rightarrow\  \dfrac{15x-7x}{15}=0.5 \ ha\\\\\Rightarrow\  \dfrac{8x}{15}=0.5 \ ha\\\\\Rightarrow\  x=0.5\times\dfrac{15}{8} \ ha\\\\\Rightarrow\  x=0.9375 \ ha

1 ha = 10000.00 m²

0.9375 ha = 9375 m²

Land for potatoes = \dfrac{2}{15}(9375) =1250\ m^2

Hence, 1250\ m^2 of the land is on potatoes.

7 0
3 years ago
Solve for x.<br><br> 0.5x + 78.2 = 287
vladimir2022 [97]
0.5x + 78.2 = 287
          -78.2  -78.2

subtract 78.2 on both sides you will then get 0.5x = 208.8 you will then divide by 0.5 and the answer is x =  417.6
3 0
3 years ago
Read 2 more answers
Calculate the side lengths a and b to two decimal places. Will give five stars and brainliest to the first answer!!!!! Need help
garri49 [273]

Answer:

Using the Sine Rule , which states that

\frac{a}{Sin A}=\frac{b}{Sin B}=\frac{c}{SinC}

In Δ ABC

∠A +∠B+∠C=180°→→Angle Sum Property of Triangle

72°+85°+∠C=180°

∠C=180° - 157°

∠C= 23°

All the angles are in degrees.

\frac{a}{Sin 72}=\frac{b}{Sin 85}=\frac{6.2}{Sin 23}

Using the table of Sine, Calculating Sine Values

Sin 72°= 0.9510

Sin 85°=0.996

Sin 23°=0.390

\frac{a}{0.951}=\frac{b}{0.996}=\frac{6.2}{0.390}\\\\ a=\frac{6.2 * 0.951}{0.390}= 15.118\\\\ b=\frac{6.2 * 0.996}{0.390}=15.833

Among the five Options,

Option E: a= 15.09 and b=15.81  is approximately true.

7 0
3 years ago
Read 2 more answers
What is the equation of the line that passes through the point (5,0) and has a slope<br> of -1
erica [24]

Answer:

y = -x + 5

Step-by-step explanation:

X, Y, and B is given using fomula y = m(x) + b

Subsitute those variables.

0 = -(5) + b

Solve for m.

0 = -5 + b

+5  +5

b = 5.

Then plug in the b and take out the x and y.

y = -x + 5

8 0
3 years ago
A student wants to find the surface area of a triangular prism. It's bases are equilateral triangles with side lengths 7 cm and
Leviafan [203]

Answer:2. ; S ≈ 2063.6 cm. 2. 7. FOOD The can of soup has a surface area of 286.3 ... 10.0 cm. 8. The surface area of a cube is 294 square inches. Find the length of a ... Find the length of the third side of the triangle. ... 16. triangular prism: h = 6 inches, right triangle base with ... triangular prism, the triangles should be equilateral,.

Step-by-step explanation:2. ; S ≈ 2063.6 cm. 2. 7. FOOD The can of soup has a surface area of 286.3 ... 10.0 cm. 8. The surface area of a cube is 294 square inches. Find the length of a ... Find the length of the third side of the triangle. ... 16. triangular prism: h = 6 inches, right triangle base with ... triangular prism, the triangles should be equilateral,.

3 0
4 years ago
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