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Tasya [4]
3 years ago
15

Evaluate f(x) = 5(x-4) when x=10

Mathematics
1 answer:
Tcecarenko [31]3 years ago
7 0

Answer:

Value of f(10)=30

Step-by-step explanation:

We have

f(x) = 5(x-4)

We need to find f(10)

f(10) = 5(10-4)\\\\=5\cdot6\\\\=30

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Read and solve please thank you!
MariettaO [177]

Answer: 3inch cubed

Step-by-step explanation:

.5•.5•.5= .125

.125•24=3

6 0
3 years ago
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Find the equation of the axis of symmetry and the coordinates of the vertex of the graph of y=4x^2+5x-1
Ivanshal [37]
Answer:

Axis of symmetry: x=-\frac{5}{8}

Vertex: (-\frac{5}{8},-2\frac{9}{16})

Step-by-step explanation:

The given quadratic equation is

y=4x^2+5x-1

By comparing to the general quadratic function; y=ax^2+bx+c

We have a=4,b=5,c=-1

The equation of the axis of symmetry is given by the formula;

x=-\frac{b}{2a}

We got this formula by completing the square on the general quadratic function.

We substitute a=4 and b=5 to obtain;

x=-\frac{5}{2(4)}

x=-\frac{5}{8}
is the axis of symmetry.

To find the y-value of the vertex, we put x=-\frac{5}{8} into the function to obtain;

y=4(-\frac{5}{8})^2+5(-\frac{5}{8})-1

y=4(-\frac{5}{8})^2+5(-\frac{5}{8})-1

y=-\frac{41}{16}

The vertex of the given function is (-\frac{5}{8},-2\frac{9}{16})
4 0
4 years ago
1. The spinner shown has six congruent sections.
kondaur [170]

Answer:

B

Step-by-step explanation:

The probability of obtaining a 3 is

P(3) = \frac{1}{6}

Then after 30 spins the predicted number of times it should land on 3 is

30 × \frac{1}{6} = 5

8 0
2 years ago
Help pls it’s the last day of summer school
Lyrx [107]
2 1/3 and it is the same for me lol
4 0
3 years ago
The table displays the mean for seven random samples. Sample Sample Mean 1 23.2 2 26.7 3 24.9 4 24.6 5 28.0 6 26.3 7 23.4 Which
madam [21]

Answer:

24.2 B

Step-by-step explanation:

This is right on edge

6 0
3 years ago
Read 2 more answers
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