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natima [27]
3 years ago
12

A kudzu plant is 1 6/7 feet tall. Over time, the plant grows to 4 2/9 feet. About how much does the plant grow ? Use rounding to

estimate
Mathematics
1 answer:
balandron [24]3 years ago
6 0

Answer:

The correct answer is 2 23/63

Step-by-step explanation:

To determine how much the plant grew, start by subtracting the starting whole number value from the ending whole number value.

4 - 1 = 3

Now do the same with the fractions. Use common denominators.

2/9 - 6/7

14/63 - 54/63

-40/63

Now add the two numbers together.

3 - 40/63 = 2 23/63

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12x^2-11x+2 sho work
Scrat [10]

Answer: (3x−2)(4x−1)

Step-by-step explanation:

<em>Start factoring with -11x.</em>

12x^(2)-11x+2

12x2+(−8−3)x+2

12x2+(−8x−3x)+2

12x2−8x−3x+2

<em>Factor the highest common denominator of each group.</em>

<em>Group the first two terms and the last two.</em>

(12x2−8x)+(−3x+2)

<em>Factor the highest common denominator (MCD) of each group.</em>

<em>4x(3x−2)−(3x−2)</em>

<em>Factoring the highest common denominator 3x−2.</em>

(3x−2)(4x−1)

4 0
3 years ago
The function y= 5^x passes through the point
wlad13 [49]
The correct answer is c :)
the point is described by two variables: x and y. it is written like that: (x, y). so the first variable in brackets is the x variable. the other is y. so pick every point a-d, put these values into the equation, solve it and check if the values before and after = are the same. if so - you are correct!
look:
c) (1, 5) so x=1, y=5
equation: y=5^x
putting values: 5=5^1 and this is true!
4 0
3 years ago
Statuary Hall is an elliptical room in the United States Capitol in Washington, D.C. The room is also called the Whispering Gall
dalvyx [7]

Answer: a) \frac{x^{2} }{2352.25 } + \frac{y^{2} }{529} = 1

b) The distance of two foci is 85.4 feet

c) Area = 3502.67 square feet

Step-by-step explanation: a) An ellipse has the equation in the form of:

\frac{x^{2} }{a^{2} }+\frac{y^{2} }{b^{2} } = 1, where a is the horizontal axis and b is the vertical axis.

For the Statuary Hall, a = \frac{97}{2} = 48.5 and b = \frac{46}{2} = 23, so the equation will be

\frac{x^{2} }{2352.25 } + \frac{y^{2} }{529} = 1.

b) To determine the distance of the foci, we have to calculate 2c, where c is the distance between one focus and the center of the ellipse. To find c, as a, b and c create a triangle with a as hypotenuse:

a^{2} = b^{2} + c^{2}

c^{2} = a^{2} - b^{2}

c = \sqrt{48.5^{2} - 23^{2} }

c = 42.7

The distance is 2c, so 2·42.7 = 85.4 feet.

The two foci are 85.4 feet apart.

c)The area of an ellipse is given by:

A = a.b.π

A = 48.5 · 23 · 3.14

A = 3502.67 ft²

The area of the floor room is 3502.67ft².

3 0
2 years ago
A student states that Figure JKLM is congruent to Figure PQRS. Determine if the student is correct or has made an error. ;D
lyudmila [28]

Answer:

Student has made an error

Step-by-step explanation:

If two figures are said to be congruent, this implies that area of both is same and both as exactly same or copy or each other.

But from the graph, it can be stated that height of figure JKLM is 4 units whereas that of other is 6 unit.

<em>Hence explained !</em>

4 0
2 years ago
How do I use 290-3x=75 as a word problem?
Papessa [141]
Two hundred and ninety subtract three X equals 75
4 0
3 years ago
Read 2 more answers
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