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3 years ago

PLS HELP ME THIS IS HARDD

Mathematics

1 answer:

pogonyaev3 years ago

6 0

Answer:

it would be the second answer because the shape has to get 3/4 smaller than the pre-image

Step-by-step explanation:

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Factor: 10x^2-15x=0 ?

e-lub [12.9K]

Like every quadratic equation

$ax^2+bx+c=0$

where $c=0$

$ax^2+bx=0$

we can factor out $x$

$x(ax+b)=0$

And find the two solutions

$x=0,\quad x=-\dfrac{b}{a}$

In this case, the solutions are

$x=0,\quad x=\dfrac{3}{2}$

If you know that $x_1,\ x_2$ are the solutions to the quadratic equation

$ax^2+bx+c=0$

then you can factor the poynomial as

$a(x-x_1)(x-x_2)$

So, in this case, you have

$10x^2-15x = 10(x-0)\left(x-\dfrac{3}{2}\right)=10x\left(x-\dfrac{3}{2}\right)$

8 0

4 years ago

Someone please help me I will be so thankful

Volgvan

1/2 = 0.5 = 50% was found.

Looking at the scale, there are 5 dashes from 0 to 10,000. This means that each dash is worth $2,000. The thermometer is marked 2.5 dashes up; 2.5(2000) = 5000.

5000/1000 = 1/2; 1/2 = 0.5; 0.5 = 50%.

8 0

3 years ago

If m>BFC = 8x+13 and m

deff fn [24]

Answer:

12x - 73

Step-by-step explanation:

DFE + CFD = 12x + 7

DFE + 90 = 12x + 7

DFE = 12x + 7 - 90

DFE = 12x - 83

therefore

DFE = AFB ( vertically opposite angles are equal)

AFB = 12x - 83

7 0

3 years ago

What is an array for 4*2=8?

12345 [234]

The array is times between 4 in 2 = 8

5 0

3 years ago

I jar contains 5 green erasers, 2 striped erasers, 4 pink erasers, and 3 white erasers, you select an eraser at random. What is

Rina8888 [55]

There are 14 erasers in the jar all together, and 10 of them are not pink.

The probability of picking a not-pink one is

10/14 or 5/7 or 0.0.7143... or 71.43% .

3 0

3 years ago