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sdas [7]
2 years ago
6

Find the value of 4x-6 when x=3 and y=-2

Mathematics
1 answer:
Bas_tet [7]2 years ago
8 0
Answer:
6

Step by step explanation:

4(3)-6
Multiply
4 x 3
Now subtract the numbers
12-6
The solution is 6

Was this solution helpful?
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A bowl has 8 green grapes and 15 red grapes. Henry randomly chooses a grape, eats it, and then chooses another grape....
frosja888 [35]

Answer:

About 41.5%

Step-by-step explanation:

<em>Given:</em>

<em>A bowl has 8 green grapes and 15 red grapes. Henry randomly chooses a grape, eats it, and then chooses another grape.</em>

<em>To Find:</em>

<em>What is the probability that both grapes are red?</em>

<em>Answer choices:</em>

<em>about 39.7%</em>

<em>about 41.5%</em>

<em>about 42.5%</em>

<em>about 44.5%</em>

<em>Solution:</em>

<em>Since, there are 8 green grapes and 15 red grapes, the total number of grapes is 23 .</em>

<em>As the red grapes are 15..</em>

<em>Thus,</em>

<em>The probability of choosing a red grape the first time is 15/23.</em>

<em>Because out of the total 23 grapes only 15 were red grape.</em>

<em>The probability of choosing the red grape the second time will be 14/22. Because the number of red grapes has already decreased by one and so is the total number of grapes after first choice</em>

<em>Hence, the probability of choosing or eating two red grapes will be :</em>

<em>15/23×14/22</em>

<em>=105/253</em>

<em>=0.415</em>

<em>= 41.5%</em>

<em>Therefore, the probability that both grapes are red is about 41.5%</em>

5 0
2 years ago
Mentally estimate the total cost of items that have the following prices 1.85 $ .98 $3.49 $9.78 and $6.18 round off your answer
Andrews [41]
The total cost is $22.28, rounded to the nearest half dollar is $22.50.
5 0
3 years ago
Which figure is described below?
IRINA_888 [86]

Answer:

Option A.

Step-by-step explanation:

Circle contains all points in a plane that are equidistant from a point, i.e., center of the circle.

The locus of points 9 units from the  point (-1,3) on the coordinate plane.

It means, the figure represents the set of all points which are 9 units from the  point (-1,3).

So, the given describes a circle with of 9 units and center at (-1,3).

Therefore, the correct option is A.

5 0
3 years ago
-3 3/4 divided by -10
Alexandra [31]

Answer:

0.375

or

3/8

Step-by-step explanation:

used a calculator to do 3/4 and added it to -3 then divided that by -10

5 0
2 years ago
M=x^3+y^2-6(x-y)-2021
EastWind [94]

Answer:

Not sure explain it again

Step-by-step explanation:

B

8 0
2 years ago
Read 2 more answers
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