3 years ago

A tutor kept track of how many students she had helped every week for a year. The range of the number of tutored

1 answer:

3 0

Answer: the same time as the first time in the future and the other is a great way to get the best out of the way and I have to say that this was not.

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A triangle has vertices at A(-2,3), B(2,-2), and C(-2,-2). What is the area of the triangle?

Softa [21]

Answer:

The area of the given triangle ABC is 10 units.

Step-by-step explanation:

we have the area of the triangle when points are given is given by the relation

Area of triangle=

$\frac{1}{2} {x1 \times (y2 - y3) + x2 \times (y3 - y1) + x3 \times (y1 - y2)}$

and hence putting the Value

triangle = 1/2*( -2*(-2+2)+2*(-2-3)+(-2)*(3+2))

= 1/2*(0+2*(-5)+(-2)*5)

= 1/2*(-10-10)

= 1/2*(-20)

= (-10) units

Since area of the triangle is always positive, we neglect the minus sign and take 10 units as its area.

6 0

3 years ago

Is -7+9=-9+7 true,false,or open?

stellarik [79]

This statement will be false.

-7+9=2
-9+7=-2

$2 \neq -2$ , therefore, this statement is false.

5 0

3 years ago

Read 2 more answers

To rationalize the denominator of 2√10/3√11 , you should multiply the expression by which fraction?

kifflom [539]

$\text {You need to multiply by } \dfrac{ \sqrt{11} }{ \sqrt{11} }$

$\dfrac{2 \sqrt{10} }{3 \sqrt{11} } \times \dfrac{ \sqrt{11} }{ \sqrt{11} } = \dfrac{2 \sqrt{10} \sqrt{11} }{3 \times 11} = \dfrac{ 2\sqrt{110} }{33}$