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1 year ago

PLEASE HEPP IM STUCK

Mathematics

1 answer:

Ann [662]1 year ago

8 0

Answer:

m = -4

Step-by-step explanation:

We are given that a line intersects the points (-2, 9) and (3, -11).

We want to write the slope of this line.

The slope (m) can be found using the formula $\frac{y_2-y_1}{x_2-x_1}$ , where $(x_1, y_1)$ and $(x_2, y_2)$ are points.

Even though we have everything we need to calculate the slope, let's label the values of the points to avoid any confusion & mistakes.

$x_1=-2\\y_1=9\\x_2=3\\y_2=-11$

Now substitute these values into the formula (remember that the formula has subtraction).

m= $\frac{y_2-y_1}{x_2-x_1}$

m= $\frac{-11-9}{3--2}$

Simplify.

m= $\frac{-11-9}{3+2}$

Subtract the values on top.

m= $\frac{-20}{3+2}$

Now add the values on the bottom together.

m= $\frac{-20}{5}$

Now divide -20 by 5.

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Help please!!!! it makes so sense

Tamiku [17]

Answer:

(- $\frac{1}{5}$ , 0 )

Step-by-step explanation:

to find where the line crosses the x- axis, let y = 0 in the equation and solve for x

5x - 2(0) + 1 = 0

5x - 0 + 1 = 0

5x + 1 = 0 ( subtract 1 from both sides )

5x = - 1 ( divide both sides by 5 )

x = - $\frac{1}{5}$

the line crosses the x- axis at (- $\frac{1}{5}$ , 0 ) or ( - 0.2, 0 )

4 0

2 years ago

Read 2 more answers

Whats 0 divide 0 i really want to know

Gelneren [198K]

Answer

N/A

Step-by-step explanation:

lets take a step into our imaginations, ok?

So when you divide, you're basically splitting the numerator into as many parts as the denominator.

imagine you have a chocolate bar, and it has 6 pieces and you want to split it evenly between your 3 friends.

you split it into three equal parts to get 2 pieces per person.

When you divide 0 by 0, your splitting 0 chocolate bars into 0 equal portions, which is why this problem isn't solvable.

4 0

3 years ago

Can someone help me

erik [133]

Answer:

6 < x < 23.206

Step-by-step explanation:

To properly answer this question, we need to make the assumption that angle DAC is non-negative and that angle BCA is acute.

The maximum value of the angle DAC can be shown to occur when points B, C, and D are on a circle centered at A*. When that is the case, the sine of half of angle DAC is equal to 16/22 times the sine of half of angle BAC. That is, ...

(2x -12)/2 = arcsin(16/22×sin(24°))

x ≈ 23.206°

Of course, the minimum value of angle DAC is 0°, so the minimum value of x is ...

2x -12 = 0

x -6 = 0 . . . . . divide by 2

x = 6 . . . . . . . add 6

Then the range of values of x will be ...

6 < x < 23.206

_____

* One way to do this is to make use of the law of cosines:

22² = AB² + AC² -2·AB·AC·cos(48°)

16² = AD² + AC² -2·AD·AC·cos(2x-12)

The trick is to maximize x while satisfying the constraints that all of the lengths are positive. This will happen when AB=AC=AD, in which case the equations be come ...

22² = 2·AB²·(1-cos(48°))

16² = 2·AB²·(1 -cos(2x-12))

The value of AB drops out of the ratio of these equations, and the result for x is as above.

4 0

3 years ago

Read 2 more answers

HELP ASAP

Alexxandr [17]

Answer: A − 9/7

Step-by-step explanation:

Hi, to answer this question we have to convert all the numbers into decimal form.

-3 1/3 = - (3x3+1)/3 =-10/3 = - 3.3334

-4/5 = -0.8

Since he number must greater than −3 1/3 but less than − 4/5.

−3 1/3 < x < − 4/5.

- 3.3334 < x < -0.8

The correct option is A = -9/7 , because in decimal form is equal to -1.28-

- 3.3334 < -1.28 < -0.8

5 0

3 years ago

The Gourmet Bakery sells cooks for $2 each and cupcakes for $4 each. A total of 110 desserts are sold, and the total profit made

Anettt [7]

Answer:

x = 63

y = 47

Step-by-step explanation:

Given that the number of cookies sold is x and that of cupcakes i y, we have:

x + y = 110

2x + 4y = 314

Please see the image for the detailed steps.

7 0

3 years ago