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mars1129 [50]
3 years ago
14

Is the point (2,9) a solution to the equation below?

Mathematics
1 answer:
Basile [38]3 years ago
3 0

Answer:

A. No

Step-by-step explanation:

the point (2, 9) means x = 2 and y = 9.

plug this into the equation:

9 = -5 * 2 + 1

9 = -10 + 1

9 = -9

Not true, this is not a solution

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5 squared - -9 squared / 5 - -9​
allsm [11]

Answer:

25 & 81

Step-by-step explanation:

5 squared is 25

9 squared is 81

if that's what you're looking for

8 0
4 years ago
Read 2 more answers
Find the product or type<br> "impossible"<br> [6 ]I-1<br> 1 11<br> (-5<br> -5 3
ValentinkaMS [17]

Answer:

"impossible"

Step-by-step explanation:

I think.  :/

4 0
3 years ago
Read 2 more answers
A jar contains 12 caramels, 7 mints and 16 dark chocolates. What is the probability of selecting a mint? What is the probability
jarptica [38.1K]

Answer:

23/35

Step-by-step explanation:

Probability ratio will be expresses with denominators of 12+7+16=35

Probability of selecting carmel is 12/35

Probability of selecting mints is 7/35=1/5

Probability of selecting chocolates is 16/35

Probability of not selecting a carmel will be given by 1-probability of selecting a carmel since maximum probability is always 1 or 100%

Probability of not selecting a camel will be 1-12/35=35/35-12/35=23/35

Alternatively, the probability of not selecting a carmel is equivalent to the sum of probability of either selecting a dark chocolate or mint which will be 7/35+16/35=23/35

The answers are the same, 23/35

5 0
3 years ago
Solve for y<br> 2x + 5y &gt; 3y + 10
vladimir1956 [14]

Answer:

y>5-x

Step-by-step explanation:

To solve this problem we need start by grouping terms in the same side of inequality.

Lets begging by grouping 'y' terms on the left side of inequality sign, to do this, subtract 3y to both sides:

2x+5y-3y>3y-3y+10

2x+2y>10

Now lets subtract 2x to both sides of inequality.

2x-2x+2y>10-2x

2y>10-2x

Now isolate variable x by dividing the inequaiity by 2.

y>5-x

That is the solution

7 0
3 years ago
A student solved this problem by making a table.
bagirrra123 [75]
Hello! I can help you with this! For this problem in order to find the amount of months it will take for them to have the same amount of money, we can write and solve an equation. 

1. Okay. Amira has $80, and saves $40 a month. Max has $40 and saves $50 a month We have the numbers, so we can write the equation. Set it up like this:

80 + 40x = 40 + 50x

We set it up like this, because each girl has some money, but they're saving more to add to the total. Let's start solving. Subtract 40x from both sides. 40x - 40x cancels out. 50x - 40x is 10x. That shortens to 80 = 40 + 10x. Subtract 40 to get both sides by themselves. 40 - 40 cancel out. 80 - 40 is 40. That simplifies to 40 = 10x. Now, divide each side by 10 to isolate the x. 10x/10 cancel out. 40/10 is 4. Let's test this out and see if it works. 40 * 4 is 160. 160 + 80 is 240. 50 * 4 is 200. 200 + 40 is 240. 240 = 240. There. x = 4. Amira and Sasha will have the same amount of money in 4 months.
4 0
3 years ago
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