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2 years ago

What is the simplest form of 3(0.44r-2.1)-2.1(r-0.3)

Mathematics

2 answers:

Anna35 [415]2 years ago

8 0

It the same answer as the one on top it correct

netineya [11]2 years ago

3 0

Answer:

−0.78r − 5.67

Step-by-step explanation:

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Angela earns $11.50 per hour. If she works more than 40 hours a week she earns double time. This week she worked a total of 48 h

WARRIOR [948]

Answer:

11.50 x 40 regular hours is $460

double time is 11.50 x 2 = $23 an hour

She makes $23 an hour for 8 hours = $184

$460 + $184 = $644 paycheck

5 0

3 years ago

Write a cubic function whose graph goes through the points: (-5, 0) (1, 0) (2, -2) (4, 0)

Free_Kalibri [48]

Answer:

f(x) = $\frac{1}{7}(x+5)(x-1)(x-4)$

Step-by-step explanation:

Let the equation of the give cubic function is,

f(x) = p(x - a)(x - b)(x - c)

Here, a, b, c and d are the x-intercepts of the given graph.

Since, x-intercepts given in the graph are x = -5, 1 and 4,

Equation of the curve will be,

f(x) = p(x + 5)(x - 1)(x - 4)

Since, the graph of this function passes through (2, -2) also

-2 = p(2 + 5)(2 - 1)(2 - 4)

-2 = -p(14)

p = $\frac{2}{14}$

p = $\frac{1}{7}$

Therefore, equation will be,

f(x) = $\frac{1}{7}(x+5)(x-1)(x-4)$

5 0

3 years ago

Solve for x.

butalik [34]

Answer:

There are no Solutions.

Step-by-step explanation:

I don't know, but the answer is correct!

6 0

3 years ago

On the plane curve defined by the parametric equations below, what point corresponds to t= -1

Anton [14]

The equation x=2t-1 represent the x-coordinate. To get the value of x, substitute t with -1.

That is: x = 2(-1) - 1
= -2-1
= -3
Likewise, the equation y=t∧-3 represent the y-coordinate. Substituting t with -1,

y = (-1)∧-3
= -1

The point that correspond to t=-1 is (-3,-1).

6 0

2 years ago

Read 2 more answers

I need help, i don’t understand if

MakcuM [25]

Answer:

(6,6)

Step-by-step explanation:

Hope this helps!

7 0

3 years ago