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Anettt [7]
4 years ago
7

What is the sum of the coefficients of the expression 3x^4 + 5x^2 + x?

Mathematics
1 answer:
lukranit [14]4 years ago
7 0

Answer:

9

Step-by-step explanation:

coefficients = numbers in front of variables (x, x^2 etc)

so 5 + 3 + 1 = 9

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Which inequality is shown in this graph
Katena32 [7]

ANSWER

y \leqslant   - 2x - 2

EXPLANATION

The boundary line passes through (-2,2) and (0,-2).

The slope of this line is

m =  \frac{ - 2 - 2}{0 -  - 2}

m =  \frac{ - 4}{2}  =  - 2

The y-intercept is , c=-2.

The slope-intercept form of this line is given by;

y = mx + c

We substitute values to obtain;

y =  - 2x - 2

Since the lower half-plane is shaded the required inequality is

y \leqslant   - 2x - 2

7 0
3 years ago
Ma<br>Find the co-ordinate the image of a <br>point 6,4). Rotate it than<br>270<br>de acee​
telo118 [61]

Answer:

(4, - 6 )

Step-by-step explanation:

Under a counterclockwise rotation about the origin of 270°

a point (x, y ) → (y, - x ) , thus

(6, 4 ) → (4, - 6 )

6 0
4 years ago
Write the equation of an exponential function that passes through the points (2,48) and (5,750).
Otrada [13]
Ok, so the function form is y = a * bx.
Substitute in the values:
750 = a * b5
and
48 = a * b2
Then divide the two equations:
750/ 48 = (a * b5) / (a * b2)
So:
15.625 = b3
Take the cube root of both sides:
2.5 = b
Now, substitue b into one of the equations (the one with 48 has smaller numbers and is easier to work with.)
48 = a * 2.52
Simplify.
48 = a * 6.25
Divide both sides by 6.25
7.68 = a
Now substitute in a and b to write the exponential function:
y = 7.68 * 2.5x
7 0
3 years ago
HELP!!!!!!! ME!!!!!! ANSWER!!!!!
Wewaii [24]
I think it would be c.6
5 0
3 years ago
What is the area, in square meters, of the isosceles trapezoid below?
Greeley [361]

Answer:

Where is the triangle?

you might have to add a picture or a worded problem

Step-by-step explanation:

3 0
3 years ago
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