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jasenka [17]
3 years ago
12

Any help please? Having a hard time

Mathematics
2 answers:
german3 years ago
8 0

Answer:

the answer is c

Step-by-step explanation:

x and y have to be at least 12, so that's why the greater than sign was used

the amount of money had to be at most $230, so that's why the less than sign was used

they said x and y represent black and white respectively, so that means x is black and y is white, so it is 18x and 20y

gogolik [260]3 years ago
7 0

Answer:

x+y ≥ 12

18x+20y ≤ 230

Step-by-step explanation:

At least means that is the smallest number they can buy, so they must buy at least 12

x+y ≥ 12

no more than 230 means that is the maximum amount they can spend

18x+20y ≤ 230

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In the table below, x represents miles traveled and y represents the cost to travel by train.
Anastasy [175]

Answer:

The second equation is correct.

y=2.25x + 4

Step-by-step explanation:

We can systematically eliminate the others.

For equation 3 and 4, 6.5*2 and 12*x is already bigger than 8 of the first set of numbers.

For equation 1, 2*x+8.5 is also bigger than 8 from the first set.

Plugging in the values to equation 2, we always get the correct cost.

5 0
2 years ago
Read 2 more answers
Six divided by fivehundredsevenysik
ELEN [110]
I think you mean six-hundred and seventy six.

6 ÷ 576 = 0.010416

or 0.0104166667
8 0
3 years ago
**
EastWind [94]

Answer: A,C

Step-by-step explanation: They are facing each other making them interior angles

6 0
3 years ago
I am not sure on how to do this ​
sweet [91]

Answer:

CP = 8 cm

Step-by-step explanation:

Given two chords that intersect inside a circle, then then the product of the parts of one chord is equal to the product of the parts of the other chord, that is

DP × CP = AP × PB ← substitute values

6 × CP = 12 × 4

6CP = 48 ( divide both sides by 6 )

CP = 8

8 0
2 years ago
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Find the value of the expression:<br><br><br><br> 56 ÷ 7 + 7 × 3
miv72 [106K]
First, you have to apply the order of operations. 

Division and multiplication come first here and they go from left to right. So, 

56/7 = 8 
7*3 = 21 
Then, the addition. 
8 + 21 = 29. 

So the value of your expression is 29.
3 0
3 years ago
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