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2 years ago

Please help and i apreciate it

Mathematics

2 answers:

mash [69]2 years ago

7 0

The functions have the same value at the points where they intersect.

The answer is the first choice.

f(2) = 0, and g(2) = 0, so f(2) = g(2)

also

f(0) = 4, and g(0) = 4, so f(0) = g(0)

Answer: Choice A.

LuckyWell [14K]2 years ago

3 0

I think the answer is letter c

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Help please, answer number 1.

gayaneshka [121]

Answer:

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Step-by-step explanation:

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2 years ago

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The sides of a quadrilateral are 3, 4, 5, and 6. Find the length of the shortest side of a similar quadrilateral whose area is 9

Georgia [21]

Answer:

9 units.

Step-by-step explanation:

Let us assume that length of smaller side is x.

We have been given that the sides of a quadrilateral are 3, 4, 5, and 6. We are asked to find the length of the shortest side of a similar quadrilateral whose area is 9 times as great.

We know that sides of similar figures are proportional. When the proportion of similar sides of two similar figures is $\frac{m}{n}$ , then the proportion of their area is $\frac{m^2}{n^2}$ .

We can see that length of smaller side of 1st quadrilateral is 3 units, so we can set a proportion as:

$\frac{x^2}{3^2}=\frac{9}{1}$

$\frac{x^2}{9}=\frac{9}{1}$

$x^2=9\cdot 9$

$x^2=81$

Take positive square root as length cannot be negative:

$\sqrt{x^2}=\sqrt{81}$

$x=9$

Therefore, the length of the shortest side of the similar quadrilateral would be 9 units.

4 0

3 years ago

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Which equation can be used to find the area of the of the trapezoid?

Leto [7]

Answer:

C) 1/2(15 +23)(9)

Step-by-step explanation:

The formula for the area of a trapezoid in terms of base lengths b1 and b2 and height h is ...

... A = 1/2(b1 +b2)h

Substituting the values shown in the figure, this becomes ...

... A = 1/2(15 +23)(9) . . . . . matches selection C

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2 years ago

When a number is stated as a percentage, it means that number represents a portion of

dedylja [7]

100. Percent means out of hundred, so one percent means one out of a hundred, two percent means two out of a hundred, etc.

6 0

3 years ago

Write the expression (4x-2)×6(2x+7) in the standard form of a quadratic expression ax^{2}+bx+c. What are the values of the coeff

lesya [120]

(4x-2)×6(2x+7) =

(4x-2) × 12x + 42 =

48x^2 -24x + 168x -84 = 0

48x^2 +144x -84 = 0

a = 48 b = 144 and c = -84
and the solution is
x1=.5 and x2=-3.5

7 0

3 years ago