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irinina [24]
3 years ago
14

The length of a rectangle is 5 inches more than it's width, x. The area of a rectangle can be represented by the equation.x^2+5x

=300. What are the measure of the width and length? Width= ________ inches. Length = __________. Inches
Mathematics
1 answer:
Digiron [165]3 years ago
8 0

Answer:

the width=15; the length=20

Step-by-step explanation:

1. to solve the given equation: x²+5x-300=0;

x₁= -20; x₂=15, where 'x' can be only positive value. It means x=15;

2. according to the condtition the length is more, it means 15+5=20.

3. the width is x=15; the length is 20.

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3/4x-4/5=1/2x+1 what is x?
Afina-wow [57]
<span>3/4x - 4/5 = 1/2x + 1

</span>3/4x - 4/5 = 2/4x + 1

3/4x - 2/4x = 1 + 4/5

1/4x = 9/5

x =      (9x4) / (5x1)

x = 36/5

x = 7 1/5
8 0
3 years ago
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The volume of a cone with height h and radius r can be found using the formula V = ²h
asambeis [7]

V=\frac{\pi}{3}(9^2)(10)=\boxed{300\pi \text{ ft}^3}

3 0
2 years ago
Which of the following numbers are greater than or equal to 4/7? Is it 2/5, 0.57, or 2/3. Use explanation why.
Sergeeva-Olga [200]

Answer:

2/3

Step-by-step explanation:

2/5=0.4 and 4/7=0.571428

0.57<0.571428

---------------------------

2/3=0.6667

which is greater than or equal to 4/7

5 0
3 years ago
Andy's weight is 5 kilograms less than twice his brother's. Together they weigh 100 kilograms. What are their weights?
lakkis [162]

Answer:

Step-by-step explanation:

Let x be the brother's weight.

Then 2x-5 is Andy's weight.

x+(2x-5)=100

3x-5=100

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4 0
3 years ago
Can someone help me please?
Gwar [14]

Answer:

10.5 cm^2

Step-by-step explanation:

Area of a triangle = 1/2(L x H)

Reading from the diagram

length = 7 cm

height = 3 cm

therefore

Area of the triangle = 1/2( 7×3)

Area = 10.5 cm^2

4 0
3 years ago
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