2 years ago

FOR BRAINLIEST PLEASE HELP!!!!!!!

Mathematics

1 answer:

fiasKO [112]2 years ago

3 0

I think it's C. drawing a king from a deck

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Please need help on this one

kakasveta [241]

Answer:

25 degrees

Step-by-step explanation:

Use a trig. ratio

$sin^{-1}$ =3/7

Plug it into a calculator

$sin^{-1}$ =25.3

7 0

2 years ago

If a car can go from 0 to 60 mi/hr in 8.0 seconds, what would be its<br> acceleration ?

tresset_1 [31]

If a car goes from 0 to 60 mph in 8.0 seconds, its acceleration would be 60/8 which is equal to 7.5mph/sec

6 0

2 years ago

Mr. Altamirano opens an account with a simple interest on an account with $1000 at 3% annually for 9 months. How much interest d

Aleksandr [31]

Answer:

$270

Step-by-step explanation:

Multiply 1000 by .03 or 3%. Then mulrioly that number by 9 because it is that amoint of interest for nine months.

3 0

2 years ago

What is the vertex of the function?

egoroff_w [7]

<h2>Explanation:</h2><h2></h2>

Here you haven't provided any function, so I'll assume this one:

$f(x)=3x^2-18x+33$

This is a quadratic function whose graph represents a parabola. Any parabola has its vertex at the point:

$V(x,y) \\ \\ \\ x=-\frac{b}{2a} \\ \\ y=f(-\frac{b}{2a}) \\ \\ \\ where: \\ \\ \\ f(x)=ax^2+bx+c \\ \\ \\ So: \\ \\ a=3 \\ \\ b=-18 \\ \\ c=33$

Therefore:

$x=-\frac{(-18)}{2(3)}=3 \\ \\ f(3)=3(3)^2-18(3)+33=27-54+33=6$

Therefore, the vertex is:

$\boxed{V(3,6)}$

6 0

3 years ago

Evaluate 21 - n for n = 3 *<br><br> please help me with this

qwelly [4]

Answer:

Step-by-step explanation:

21-n; n=3

Substitute n for 3:

21-3

Solve.

4 0

2 years ago

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