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3 years ago

7

Darius has mowed 1/5 of his backyard. Which is a better estimate for how much of the lawn he has left to mow: almost all of the

lawn or about half of the lawn?

2 answers:

makkiz [27]3 years ago

7 0

The correct response would be almost all

astraxan [27]3 years ago

4 0

1/5 means like very little, so almost all of it

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A function y = g(x) is graphed below. What is the solution to the equation g(x) = 3?

hodyreva [135]

closed interval on x=3 and open at x=5

for all values between these numbers, y=3

so [3,5)

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3 years ago

Q.1 Simplify :-<br><br>(i) (- 625 ) + 925 + 100 + (-200)

Dmitrij [34]

825 - 625i

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2 years ago

Triangle ABC has vertices at A(-2,1), B(-2,-3), and C(1,-2). What is the area of the triangle? a 18 square units b 9 square unit

natka813 [3]

Answer:

Option C. 6 square units

Step-by-step explanation:

we know that

Heron's Formula is a method for calculating the area of a triangle when you know the lengths of all three sides.

Let

a,b,c be the lengths of the sides of a triangle.

The area is given by:

$A=\sqrt{p(p-a)(p-b)(p-c)}$

where

p is half the perimeter

p= $\frac{a+b+c}{2}$

we have

Triangle ABC has vertices at A(-2,1), B(-2,-3), and C(1,-2)

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

step 1

Find the distance AB

$d=\sqrt{(-3-1)^{2}+(-2+2)^{2}}$

$d=\sqrt{(-4)^{2}+(0)^{2}}$

$dAB=4\ units$

step 2

Find the distance BC

$d=\sqrt{(-2+3)^{2}+(1+2)^{2}}$

$d=\sqrt{(1)^{2}+(3)^{2}}$

$dBC=\sqrt{10}\ units$

step 3

Find the distance AC

$d=\sqrt{(-2-1)^{2}+(1+2)^{2}}$

$d=\sqrt{(-3)^{2}+(3)^{2}}$

$dBC=\sqrt{18}\ units$

step 4

$a=AB=4\ units$

$b=BC=\sqrt{10}\ units$

$c=AC=\sqrt{18}\ units$

Find the half perimeter p

p= $\frac{4+\sqrt{10}+\sqrt{18}}{2}=5.70\ units$

Find the area

$A=\sqrt{5.7(5.7-4)(5.7-3.16)(5.7-4.24)}$

$A=\sqrt{5.7(1.7)(2.54)(1.46)}$

$A=\sqrt{35.93}$

$A=6\ units^{2}$

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3 years ago

How many games must be played when 7 players are in the tournament?

AURORKA [14]

I believe the answer is 14

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2 years ago

What numbers does the square root of 125 fall between

attashe74 [19]

9 and 10

11 and 12

13 and 14

15 and 16

the square root of 125 is 11.18 so therefore it falls between 11 and 12

3 0

2 years ago

Read 2 more answers