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3 years ago

I dont get this ............

Mathematics

1 answer:

Karo-lina-s [1.5K]3 years ago

6 0

Answer:

i think these inequalities shows B

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One number is four times another number and their difference is 24. find the number.

Flura [38]

8 and 32.

8 times 4 = 32
32 - 8 = 24

4x - x = 24.
^ ^
1 2

3 0

2 years ago

A student solved a quadratic equation as shown here:

djverab [1.8K]

Answer:

x = 3/2 or x = -4

Step-by-step explanation:

The identifiable error the students have is that before the left hand side of the equation is factorized, the right hand side value of 12 ought to be brought to the left hand side, leaving a net value of zero on the right hand side. Then whatever is factored on the left hand side is then equated to zero and then we can find the two values of x after setting each of the individual factors to zero

We proceed as follows;

$2x^{2} + 5x = 12\\2x^{2} + 5x - 12 = 0\\2x^{2} + 8x -3x -12 = 0\\2x(x+4) -3(x+4) = 0\\(2x-3)(x+4) = 0\\2x-3 = 0 or x+4 =0\\2x=3 or x=-4\\x = 3/2 or x= -4\\x = 1.5 or- 4$

6 0

2 years ago

On a map, ½ inch represents 200 miles. How long would a line on a map need to be in order to represent 1800 miles?

givi [52]

9 because 1,800 divided by 200 is 9

6 0

2 years ago

Help me please please I beg

alexdok [17]

Answer:

Step-by-step explanation:

if using centimeters to determine the perimeter then it's just cm.

If you're using centimeters to determine area it would be cm^2.

If you're using centimeters to determine volume it would be cm^3.

I hope this helps you. Have a blessed day.

:);)

7 0

2 years ago

the vertex of a triangle is located at (-2,3). it is rotated 90 degrees clockwise about the origin. what is the new y- coordinat

irina1246 [14]

Answer:

90° clockwise rotation rule (about the origin) for a point

Step-by-step explanation:

(x , y) → (y, -x)

Swap x and y......change the sign on x

Can you take it from here ???

5 0

2 years ago