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3 years ago

Could somebody answer this question please

Mathematics

2 answers:

nevsk [136]3 years ago

6 0

None of the above (e) is the answer. This problem can be easily solved with the formula m/x=k. Specifically for this problem, the equation would be 60/6=k. Basic division tells us that k=10, which is not one of the choices you had to choose from. Therefore, the answer is e.

Grace [21]3 years ago

5 0

If m varies directly with x, then that means that you have to find the slope. To make it easier, m = y-variable, and x = x-variable.

Because you are trying to find your constant of variation (another word for slope, rate of change, etc.), the change of y over the change of x is your equation. in other words, divide your m variable by x.

When m = 60 and x = 6, you can set it up. 60 / 6 = k; and k = 10 when solved. Since 10 is not one of the answer choices listed in your answer key, I believe that your answer is NONE OF THE ABOVE.

I hoped this helped you.

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kozerog [31]

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3 years ago

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marshall27 [118]

Answer:

-9

Step-by-step explanation:

-1.53 ÷ 0.17 =‬ -9

check work:

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3 years ago

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Select the correct answer from each drop-down menu.

finlep [7]

Answer:

Coordinates of point B are (10,-4)

Coordinates of point D are (3.6,-0.4)

Step-by-step explanation:

1) Point C(3.6, -0.4) divides in the ratio 3 : 2. If the coordinates of A are (-6, 5), the coordinates of point B are ____

Let the coordinates of B be $(x_2,y_2)$

Coordinates of A = $(x_1,y_1)=(-6,5)$

Coordinates of C=(x,y)=(3.6,-0.4)

We will use section formula over here

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m:n=3:2

$3.6=\frac{3x_2+2(-6)}{3+2} , -0.4=\frac{3y_2+2(5)}{3+2}3.6 \times 5 = 3x_2-12, -0.4 \times 5 = 3y_2+10\\18+12=3x_2 , -2=3y_2+10\\30=3x_2 , -12=3y_2\\10=x_2, -4=y_2\\$

Coordinates of B = (10,-4)

2)If point D divides in the ratio 4 : 5, the coordinates of point D are ____

(fraction)

Let the coordinates of D be $(x,y)$

Coordinates of A = $(x_1,y_1)=(-6,5)$

Coordinates of B= $(x_2,y_2)=(10,-4)$

We will use section formula over here

$x=\frac{mx_2+nx_1}{m+n} , y = \frac{my_2+ny_1}{m+n}$

m:n=3:2

$x=\frac{3(10)+2(-6)}{3+2} , y=\frac{3(-4)+2(5)}{3+2}\\x=3.6,y=-0.4$

Coordinates of point B are (10,-4)

Coordinates of point D are (3.6,-0.4)

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3 years ago

Two straight lengths of wire are placed on the ground, forming vertical angles. If the measure of one of the angles formed is 72

lord [1]

One of the other angles is 72. Vertically opposite angles are equal.

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That means they are to 180

x + 72 = 180

x = 180 - 72

x = 108

Answer

the for angles are

72 + 72 + 108 + 108

5 0

3 years ago