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DiKsa [7]
2 years ago
5

Please help me is importe ​

Mathematics
2 answers:
____ [38]2 years ago
7 0
It is D you are on it
beks73 [17]2 years ago
6 0

Answer

D. 20

Explanation

The common denominator of fractions is the least common multiple of the denominators.

The least common multiple of 4 and 5 is 20.

Therefore the common denominator of 1/4 and 3/5 is 20.

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If f(x)=2x^2+5√(x-2), complete the following statement:<br><br> f(3) = _____
dsp73
Given:
f(x) = 2x^{2} +5 \sqrt{x-2}

Asked:
f(3)

Solution:
Subtitute x with 3 in the function
f(x) = 2x^{2} +5 \sqrt{x-2}
f(3) = 2(3)^{2} +5 \sqrt{3-2}

Then simplify to find the value of f(3)
f(x) = 2(9) +5 \sqrt{1}
f(x) = 18 +5
f(x) = 23

The final answer is 23
5 0
3 years ago
Given f(x) and g(x) = k·f(x), use the graph to determine the value of k.<br> g(x)
djyliett [7]
<h2>Explanation:</h2>

The diagram for this exercise is attached below. We have two linear functions f(x) \ and \ g(x) and the following relationship:

g(x) = kf(x)

From the graph, we know that:

f(-3)=1 \\ \\ g(-3)=-3

Then, substituting into the relationship:

g(-3)=kf(-3) \\ \\ -3=k(1) \\ \\ \\ Finally: \\ \\ \boxed{k=-3}

3 0
3 years ago
Orlando is making a design for a logo. He begins with a square measuring 22 inches on a side.
mestny [16]

Answer: A

Step-by-step explanation:

The first square is 22 inches on a side.

The second is 17.6 inches on a side

the third is 14.08 inches on a side.

We can suppose that we have a constant rate of decrease betwen the sides cubes, this means that:

22in*x = 17.6in

where x is the rate of scale.

x = 17.6/22 = 0.8

Now we test this with the second and third:

17.6in*0.8  = 14.08in

Ok, this works.

then the side of n-th cube can be found with the equation

L = 22*0.8^(n-1)

we can try the different options and see which one gives a value smaller than 10.

A) n = 5

L = 22*0.8^4 = 9.01

Then the correct option is A

7 0
2 years ago
Read 2 more answers
How do you find the median I lowkey forgot
QveST [7]
You arrange the numbers from lowest to highest,And you cover the numbers untill your left ith the number in the middle.
3 0
3 years ago
45 POINTS please can someone write a linear equation with answer.
Rufina [12.5K]

x  y = 2x + 1

-1 y = 2 × (-1) + 1 = -1

0 y = 2 × 0 + 1 = 1

1 y = 2 × 1 + 1 = 3

2 y = 2 × 2 + 1 = 5

hope this helped

5 0
3 years ago
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