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Rudik [331]
3 years ago
7

Points A(7, -5), B(-1, -2), and C(-4, 6) form triangle ABC on a coordinate plane. According to its sides, triangle ABC is a(n) _

____ triangle
Mathematics
1 answer:
prohojiy [21]3 years ago
7 0
Isosceles Triangle, has 2 equal sides and angles. 
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consider the equation is Y equals 1/square root of x and y=x-2. approximate solution of the system equations
emmasim [6.3K]

Answer:

x=1 and x=4

Step-by-step explanation:

We have the following system of equations:

y=\sqrt{x} and y=x-2

To solve the problem, we need to equal the two equations:

x-2=\sqrt{x} ⇒ (x-2)^{2} =x ⇒ x^{2} -4x + 4 = x  

⇒ x^{2} -5x + 4 = 0  

So you need to find two numbers that added equal to 5 and multiplied equal to 4. These two numbers are x=-1 and x=-4.

Then, the factorized form of the polynomial is: (x-1)(x-4).

The, the solution to the system of equations is: x=1 and x=4.

5 0
3 years ago
Find the solution(s) to the system of equations represented in the graph.
jolli1 [7]

Answer:

(-3,0) and (0,3)

Step-by-step explanation:

The solution to the system of equation is where the two graphs intersect

The intersect at two points

(-3,0) and (0,3)

3 0
3 years ago
The following dot plot shows the number of chocolate chips in each cookie that Shawn has. Each dot represents a different cookie
Westkost [7]

Answer:

It is 5. I got it right on khan academy! Thanks for the answer!

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
At what interest rate must you invest $4500 to have $7,000 after 6 years, if the interest is compounded quarterly?
labwork [276]

Answer:

The amount is $8358.7 and the interest is $3858.7.

Step-by-step explanation:

Explanation

STEP 1: To find amount we use formula:

A=P(1+rn)n⋅t

A = total amount

P = principal or amount of money deposited,

r = annual interest rate

n = number of times compounded per year

t = time in years

In this example we have

P=$4500 , r=7% , n=2 and t=9 years

After plugging the given information we have

AAAA=4500(1+0.072)2⋅9=4500⋅1.03518=4500⋅1.857489=8358.7

STEP 2: To find interest we use formula A=P+I, since A=8358.7 and P = 4500 we have:

A8358.7II=P+I=4500+I=8358.7−4500=3858.7

4 0
3 years ago
Which value of x makes the equation true?
Gnesinka [82]

Answer:

C. x=8.5

Step-by-step explanation:

-18+3x+x=-2(2x-25)

-18+4x=-4x+50

   +4x   +4x

-18+8x=50

+18      +18

8x=68

8    8

x=8.5

5 0
3 years ago
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