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Illusion [34]
3 years ago
8

Dora and kyle had spent 50 min doing yard work and had stopped for lunch at 12]30 pm

Mathematics
1 answer:
anyanavicka [17]3 years ago
6 0

Answer:

11:40am because 50 mins before 12:30pm is 11:40am

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Solve the system using elimination<br> y=-3x+6<br> y=x^2-4
ElenaW [278]
Mutiply first equation by -1 and add to 2nd

-y=3x-6
<u>y=x^2-4 +</u>
0=x^2+3x-10
factor like any equation
what 2 numbers multiply to -10 and add to 3
-2 and 5
0=(x-2)(x+5)
set to zero
x-2=0
x=2

x+5=0
x=-5
solve for y in each case

for x=2
y=2^2-4
y=4-4
y=0
(2,0) is a point

for x=-5
y=(-5)^2-4
y=25-4
y=21
(-5,21) is another



the solutions are
(2,0) and
(-5,21)
8 0
3 years ago
What percent of 80 is 248
Yuliya22 [10]

Answer:

310%

Step-by-step explanation:

Convert the fraction to a decimal, then multiply by  100.

4 0
3 years ago
Read 2 more answers
Write the equation of the line in​ slope-intercept form that passes through the points​ (-12, -6) and​ (8, 9).
irakobra [83]

Answer:

(-10.5, -2)

Step-by-step explanation:

This is wrong btw haha

4 0
3 years ago
Complete the table below to classify the triangles as scalene or isosceles.
BartSMP [9]

Answer:

1) Isosceles

2) Scalene

3) Scalene

Step-by-step explanation:

The 1st choice is isosceles because 2 side lengths are equal.

The 2nd and 3rd choice are scalene because none of the sides equal the other sides.

8 0
3 years ago
Two stores carry a similar stereo for the same original price of $573. One store offers a 16% discount and the second store sell
nevsk [136]

Answer:

The second store price is cheaper beacuse 16% of 573 gives off $91.68 and when u do that u get $481.32 so 458.40 is cheaper.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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