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Diano4ka-milaya [45]
3 years ago
14

Need help homework due tomorrow! is it correct and need help on 9

Mathematics
1 answer:
Lera25 [3.4K]3 years ago
3 0

Answer:

B. -1

Step-by-step explanation:

I just looked over it quickly, everything looks correct.

To see if a number is in the solution set, plug it in and see if its true:

0 - 9 > -10

-9 > -10

true

-1 - 9 > -10

-10 > -10

false

1 - 9 > -10

-8 > -10

true

2 - 9 > -10

-7 > -10

true

The only solution that doesn't work is B. -1

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- of a number is 27. What's the number?<br> k.
nikklg [1K]

Answer:

Three of those boxes equals 27, you would take 27/3 to find out that each box is worth 9. You now want to take 9*4 to get your total number

9*4=36

So 3/4 of 36 is 27

Step-by-step explanation:

5 0
4 years ago
The family of this graph?
muminat

Answer:

Step-by-step explanation:

The shape of this graph is that of a parabola.  In this case the parabola opens down.  The general form of the equation of such a parabola is

y = a(x - h)^2 + k, where (h, k) is the vertex and a is a coefficient to be determined.

In this particular case we can obtain the coordinates of the vertex (h, k) from the graph.  They are (3, 4).  Thus, h = 3 and k = 4.  The graph goes through (1.5, 0).  Use this information to determine the value of the coefficient a:

Then the equation of this parabola must be y = a(x - 3)^2 + 4.

0 = a(1.5 - 3)^2 + 4

Then:

0 = a(-1.5)^2 + 4, or

0 = 2.25a + 4, or

2.25a = -4, or

a = 16/9

Thus, the final result:  The equation of this parabola is

y = (16/9)(x - 3)^2 + 4

whose graph is a parabola that opens down and has vertex (3, 4).            

7 0
3 years ago
Explain how a bar model can be used to show a subtraction problem
DanielleElmas [232]
5 is the answer thanks 
for question and answers
3 0
4 years ago
Read 2 more answers
Reagan has a rectangular bedspread that measures 238 centimeters by 435 centimeters. She wants to sew a fringe around the edge o
sesenic [268]

Answer: 1346cm

Step-by-step explanation:

From the question, we are informed that Reagan has a rectangular bedspread that measures 238 centimeters by 435 centimeters and that he wants to sew a fringe around the edge of the bedspread.

This simply means that we have to find the perimeter of the rectangular bedspread and this will be:

= 2(length + width)

= 2(435 + 238

= 2(673)

= 1346cm

The length of fridge needed by Reegan is 1346cm.

3 0
3 years ago
Read 2 more answers
I need an answer for this
RUDIKE [14]

Answer:

Step-by-step explanation:

18+12+9

4 0
3 years ago
Read 2 more answers
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