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joja [24]
3 years ago
10

Identify the x intercept and y intercept of the line 2x-4y=-12

Mathematics
1 answer:
RUDIKE [14]3 years ago
6 0
-12/2 = -6 = x
-12/-4 = 3 = y

The x intercept is -6 and the y intercept is 3
You might be interested in
Determine whether the pair of equations represent parallel lines, perpendicular lines, or neither.
Ivahew [28]

Answer:

Parallel

Step-by-step explanation:

Parallel lines have the same slope but different y-intercepts. If you multiply the top equation by 2, you get:

2(12x + 4y = 16)

24x + 8y = 32

This shows that both lines have the same slope, but then you find the y-intercepts, they are different:

1st equation y-int = 4

2nd equation y-int = 9/2 or 4.5

6 0
4 years ago
Out of 275 coins, 120 are quarters. Of the remaining coins, 20% are nickels and the rest are dimes and pennies. There are 3 penn
Airida [17]
Total number of coins in question = 275
Number of quarters among the total coins = 120
Then
Remaining number of coins = 275 - 120
                                              = 155
Percentage of coins that are nickel = 20%
Then
Number of coins that are nickel = (20/100) * 155
                                                   = 155/5
                                                   = 31
Remaining number of coins = 155 - 31
                                              = 124
Ratio of dimes to pennies = 1:3
Let us assume the common ratio to be = x
Then
x + 3x = 124
4x = 124
x = 124/4
   = 31
So
The number of pennies = 3 * 31
                                       = 93
From the above deduction we can conclude that there are 93 pennies. The correct option among all the options given in the question is option "C".
7 0
4 years ago
Read 2 more answers
Sheryl has a basket of ripe apples and peaches. The number of apples in the basket is 12 more then twice the number of peaches.
jonny [76]

Answer:12

Step-by-step explanation:Add 12 and 12 and you get 24.Subtract 36 from 24 because the total number is 36.So 36 -24 is 12.So 12 is your answer!

3 0
3 years ago
Next-door neighbors Bob and Jim use hoses from both houses to fill Bob's swimming pool. They know that it takes 12 h using both
Leokris [45]

Answer:

Jim's hose: 27 hours.

Bob's hose: 21.6 hours.

Step-by-step explanation:

Let t represent hours taken by Jim's hose.

Part of pool filled by Jim's hose in 1 hour would be \frac{1}{t}.

We have been given that Bob's hose, used alone, takes 20% less time than Jim's hose alone. This means that Bob's hose take will take 80% time of Jim's hose that is 0.8t.

Part of pool filled by Bob's hose in 1 hour would be \frac{1}{0.8t}.

We are also told that it takes 12 hours using both hoses. Part of pool filled by both hoses in 1 hour would be \frac{1}{12}.

Now, we will add rates of both hoses and equate with \frac{1}{12} as:

\frac{1}{t}+\frac{1}{0.8t}=\frac{1}{12}

\frac{0.8}{0.8t}+\frac{1}{0.8t}=\frac{1}{12}

\frac{0.8+1}{0.8t}=\frac{1}{12}

\frac{1.8}{0.8t}=\frac{1}{12}

Cross multiply:

0.8t*1=1.8(12)

0.8t=21.6

\frac{0.8t}{0.8}=\frac{21.6}{0.8}

t=27

Therefore, it will take 27 hours for Jim's hose to fill the pool alone.

Time take by Jim's hose alone: 0.8t\Rightarrow 0.8(27)=21.6.

Therefore, it will take 21.6 hours for Bob's hose to fill the pool alone.

3 0
4 years ago
Based on the order of operations, which is the first step in simplifying this expression? 9 + 5 x 2(20/4 - 2 + 1)
Leto [7]

Answer:

  1. (Parentheses)                P.E.M.D.A.S  
  2. Exponents(^)
  3. Multiply(X)
  4. Division(/)
  5. Addition(+)
  6. Subtraction(-)

Step-by-step explanation:

First simplify (20/4-2+1)=

9+5x2(4)=

then simplify again

14x8=112

simplify one more time and you get your answer.

122 is your answer.

So to answer the real question start with parentheses first then work and simplify the equation.

<u><em>Please give brainliest if you found this answer to be helpful!</em></u>

4 0
3 years ago
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