3 years ago

20 POINTS FOR EVER SOLVES THIS

Mathematics

2 answers:

Bas_tet [7]3 years ago

5 0

Answer:

1 or a or the first one

Katyanochek1 [597]3 years ago

4 0

Answer:

I think the first one is correct

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What is the solution for <br> x+y>2<br> 2x-y>1

blagie [28]

Answer:

x>1 and y>1

Step-by-step explanation:

x+y>2....... (i)

2x-y>1...... (ii)

Adding equations (i) and (ii),

x+y+2x-y>2+1

3x>3

x>3/3

x>1.

Putting the value of x in equation (i),

1+y>2

y>2-1

y>1.

3 0

3 years ago

NO LINKS!!! Find the equation of the PARABOLA with a vertex at (-2, 6) and passing through the point (1, -3)

levacccp [35]

General equation of parabola

y=a(x-h)²+k

for vertex(h,k)

Now

$\\ \rm\Rrightarrow y=a(x+2)^2+6$

Put (1,-3) and find a

$\\ \rm\Rrightarrow -3=a(1+2)^2+6$

$\\ \rm\Rrightarrow -9=a(3)^2$

$\\ \rm\Rrightarrow -9=9a$

$\\ \rm\Rrightarrow a=-1$

equation of parabola

$\\ \rm\Rrightarrow y=-(x+2)^2+6$

7 0

2 years ago

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Michaela spent a total of 12 1/2 hours doing her online learning work this week. If she spent 5 3/4 of those hours working on Mo

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3 years ago

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3 × 1 1/2 as a mixed number in simplest form

Anna11 [10]

Answer:

1.5 - 1 1/5 = 3

= 0.3

Step-by-step explanation:

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3 years ago

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Bella paints rows of flowers for an art piece. There are 9 flowers in each of the 6 rows. She paints 1/3 of the flowers yellow.

Sindrei [870]

Answer: 18 yellow flowers

Step-by-step explanation:

There are 9 flowers in each of the 6 rows. The total number of flowers planted is therefore:

= 6 rows * 9 flowers per row

= 54 flowers

A 1/3 of these flowers were yellow flowers so the number of yellow flowers planted is:

= 1/3 * 54

= 54/3

= 18 yellow flowers

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3 years ago