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MrRa [10]
3 years ago
12

Dara has 12 red couners. She has 7 more red counters than yellow counters. How many yellow counters does dara have ?

Mathematics
2 answers:
morpeh [17]3 years ago
7 0
She has 5 yellow counters
Katarina [22]3 years ago
6 0

Answer:

Yellow couners Dara have 5.

Step-by-step explanation:

Given : Dara has 12 red couners. She has 7 more red counters than yellow counters.

To find : How many yellow counters does dara have .

Solution : We have given

Dara has red couners =  12.

Let the yellow couners = x

According to question :

Red = 7 more than yellow.

Red = 7 + yellow .

12 = 7 + x .

On subtracting both sides by 7.

x = 12 -7 .

x = 5.

Therefore, Yellow couners Dara have 5.

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12 yellow balls and 9 red balls are placed in an urn. Two balls are then drawn in succession without replacement. What is the pr
denis23 [38]

Answer:

\frac{9}{35}

Step-by-step explanation:

When the first draw is done there are 9 red balls in a sample size of 21. So there probability of drawing a red ball will be \frac{9}{21}

When the second draw is done, there will be 12 yellow balls in a sample size of 20 since the first ball will not have been replaced into the bag. So the chance of someone drawing the second ball in the second draw is \frac{12}{20}

The probability of them happening in this order is the product of both probabilities:

\frac{9}{21}  * \frac{12}{20}  = \frac{9}{35}

8 0
3 years ago
B. Solve for the product of the following fractions. Express your answer in simples form.
sladkih [1.3K]

Answer:

  1. 5/9
  2. 1/5
  3. 1/7
  4. 5/54
  5. 1/4
  6. Hope it helps you
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3 years ago
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3 years ago
Slope intercept of (2,-12) and (5,6)
nlexa [21]

Answer:

<em>The slope of the line is m=6.  </em>

<em>The y-intercept is (0,−24).  </em>

<em>The equation of the line in the slope-intercept form is y=6x−24.</em>

Step-by-step explanation:

The slope of the line passing through the two points P=(x1,y1) and Q=(x2,y2) is given by m=y2−y1x2−x1.

We have that x1=2, y1=−12, x2=5, y2=6.

Plug the given values into the formula for the slope: m=(6)−(−12)(5)−(2)=183=6.

Now, the y-intercept is b=y1−m⋅x1 (or b=y2−m⋅x2, the result is the same).

b=−12−(6)⋅(2)=−24.

Finally, the equation of the line can be written in the form y=mx+b.

y=6x−24.

Answer:

The slope of the line is m=6.

The y-intercept is (0,−24).

The equation of the line in the slope-intercept form is y=6x−24.

8 0
3 years ago
Read 2 more answers
A company that makes boxes finds that 6 out of 8 boxes are damaged.What percent of the boxes are damage?
Elanso [62]
8 boxes is 100%, 6 out of 8 is 6/8 x 100% = 75%
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3 years ago
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