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Vesnalui [34]
2 years ago
9

PLEASE HELP SOMEONE PLEASE HELP ME ASAPPPPP

Mathematics
2 answers:
o-na [289]2 years ago
8 0

Answer:  

Step-by-step explanation:

8090 [49]2 years ago
6 0

The answer is B because if you replace x with 5 and y with 17 the equations will work

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Is 17.31 REPEATING at 31 irrational or rational
Amiraneli [1.4K]
Answer: Repeating per irrational.
8 0
3 years ago
Find the product -3,-4.-2.5
Assoli18 [71]

Answer:

-30

Step-by-step explanation:

-3(-4)(-2.5)

Apply rule -(-a) = a

=-3*4*2.5

Multiply the numbers: 3*4*2.5=30

=-30

6 0
3 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}

7 0
3 years ago
Maliah goes to an electronics store. Let y represent the price of a laptop and let z represent the price of a television. The eq
scZoUnD [109]

Answer:

hi

Step-by-step explanation:

8 0
3 years ago
30 points plz help I need help with question 16 plz plz plz help I need answer in 5 minutes.
kkurt [141]

Answer:

A. The area of the park is 251015.62 m squared.

B. The sod would cost $313769.52

C. The perimeter of the border is 1927.5 m

D. The cost fo the paving stone is going to be $5300.625

E. The total cost for the sod and pacing stone combined is $31139070.14

HOPE THIS HELPS I WOULD APPRECIATE BRAINLIEST IF POSSIBLE :)

5 0
2 years ago
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