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vovangra [49]
2 years ago
11

Is (3,4) a solution to the equation y=4x-9

Mathematics
1 answer:
Mekhanik [1.2K]2 years ago
7 0
No (3,4) is not a solution to y=4x - 9 this is because if you place those co-ordinates in the equation it will be formed as this
4 = 4x3 -9
4x3 = 12
12- 9 = 3. not 4
therefore if you switch the co-ordiantes and do (4,3) instead of (3,4)
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The Leukemia and Lymphoma Society sponsors a 5k race to raise money. It receives $55 per race entry and $10,000 in donations, bu
photoshop1234 [79]
The net amount they raise is the amount they receive minus what they pay in expenses.

They receive:
$10,000 fixed amount in donations
$55 per person

They pay:
$15 per person

If there are x number of entries, they receive 55x from the entries.
Also, they pay 15x for the entries.

The net amount they raise is amount they receive min us amount they pay:

55x + 10,000 - 15x

which simplifies to

40x + 10,0000

They want to raise at least $55,000.
At least $55,000 means $55,000 or more.
They want to raise an amount greater than or equal to $55,000.

Now we write the inequality:

40x + 10,000 >= 55,000

Now we solve the inequality for x, the number of entries.

40x >= 45,000

x >= 1125

They must have 1125 or more race entries to raise $55,000.
6 0
3 years ago
Circle F has a diameter of 36m and = 240o. Find the length of . Leave your answer in terms of pi.
andrezito [222]

Answer:

So, the arc length is 24\pi

Step-by-step explanation:

We are given

diameter =36m

so, we can find radius

r=\frac{36}{2}=18m

and angle as

\theta=240

Since, it is in degree

so, we can change it in radian

\theta=240\times \frac{\pi}{180}

\theta=\frac{4\pi}{3}

now, we can find arc length

L=r\times \theta

now, we can plug values

L=18\times \frac{4\pi}{3}

L=24\pi


5 0
3 years ago
In the cafeteria, 80 juice boxes were put out for breakfast. After breakfast, there were 20 juice boxes left.
olchik [2.2K]

Answer:

The ratio of juice boxes remaining to juice boxes drunk = 20 / 60 = 1/3

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
FOR EASY BRAINLIEST ANSWER QUESTION BELOW!
Alex787 [66]

Answer:

56

Step-by-step explanation:

7 0
3 years ago
Play help due tomorrow
IgorC [24]
D. 42/8

You can get this by adding the blueberry and banana amounts together. Then multiply by 6. 
5 0
3 years ago
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