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4 years ago

Answer this please!! Help me !!

Mathematics

1 answer:

Mars2501 [29]4 years ago

8 0

I cant see it.... my laptop will not let me see the attachment

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Based on the family the graph below belongs to, which equation could represent the graph?

tatuchka [14]

Answer: y=-0.6x^3- 1

Step-by-step explanation:

In the graph, first we must see the points where the line intersects the axis.

We can see that it goes throug the point (0, -1)

Now, of the given options the only two that are 0 when x is -1, are:

f1(x) =y = 0.6*x^2 - 1

f2(x) =y = -0.6x^3 - 1

We also can see that for all the positive values of x, y has a negative value, so let's value bot functions in x = 2, and see what happens.

f1(2) = 0.6*4 - 1 = 1.4

f2(2) = -0.6*8 - 1 = -5.8

so the correct option is

y=-0.6x^3- 1

3 0

3 years ago

Read 2 more answers

Help me with this!!!!

andrezito [222]

Answer: I think it would be 3.5

Step by Step Explanation: BRAINLIEST?!?

8 0

3 years ago

Read 2 more answers

A truck is carrying 3 tons of cement and 150 pounds of bricks. How many pounds does the truck's load weigh in total

vodomira [7]

Answer: $6,150 \text{ pounds}$

Step-by-step explanation:

Given: The weight of cement = 3 tons

The weight of bricks = 150 pounds

We know that $\text{1 ton = 2,000 pounds}$

Therefore, $\text{3 tons}=3\times2,000=6,000$

Now, the total weight of load in truck = $150+6,000=6,150\text{ pounds}$

Hence, the truck's load weigh in total = 6,150 pounds.

5 0

4 years ago

HELP!!!!

Andrei [34K]

Answer: 90° , 60° and 30° .

Step-by-step explanation:

Given : In a right triangle with a leg of 4 units and a hypotenuse of 8 units.

One angle should be 90°. (A right triangle has a 90° angle.)

Let the given leg is the side opposite to the angle $\theta$ in the triangle.

Then by trigonometry , we have

$\sin\theta=\dfrac{4}{8}=\dfrac{1}{2}$ [Sine of an angle is the ration of the side opposite to the angle and the hypotenuse of a right triangle.]

Also , $\sin 30^{\circ}=\dfrac{1}{2}$

$\Rightarrow\ \theta = 30^{\circ}$

Let x be the measure of the third angle.

BY Angle sum property of triangle , we have

$90^{\circ}+30^{\circ}+x= 180^{\circ}\\\\ 120^{\circ}+x= 180^{\circ}\\\\ x=180^{\circ}-120^{\circ}\\\\ x= 60^{\circ}$

Therefore , the measures of all angles in the triangle : 90° , 60° and 30° .

4 0

3 years ago

Deborah usually works 16 hours a week but this week she worked 22 hours what is the change in hours?

Andreyy89

Answer:6hours

Step-by-step explanation: 22-16

8 0

3 years ago