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katovenus [111]
3 years ago
11

2a-3,when a=47m+5,when m=3​

Mathematics
2 answers:
antiseptic1488 [7]3 years ago
7 0
2a-3 when a=4
Now replace a with 4 in 2a-3
So 2*4-3=8-3=5
Similarly, solve the second one
Ronch [10]3 years ago
3 0
2 times 4 is 8 subtract 3 and you have 5
7 times 3 is 21 plus 5 is 26
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If 80 percent is 72 marks what is full marks
Greeley [361]
100 - 80 = 20
80 = 72
20 = ?
72 / 80 = 0.9
20 x 0.9 = 180
180 + 72 = 252
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3 years ago
What is the difference of the two expressions?<br> (<br> 3<br> 7<br> + 9) − (<br> 2<br> 7<br> − 3)
ivann1987 [24]

Answer:

22

Step-by-step explanation:

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8 0
3 years ago
Food allergies affect an estimated 7% of children under age 5 in the US. What is the probability that in a kindergarden class of
bezimeni [28]

Answer:

Probability of atleast one of 12 student has food allergies ≈ 0.58 ( approx)

Step-by-step explanation:

Given: Probability of a children under age 5 has food allergies = 7%

                                                                                                        =\frac{7}{100}

To find : Probability of atleast one of 12 student has food allergies

Probability of a chindren under age 5 does not have food allergies = 1-\frac{7}{100}

                  ⇒ prob = \frac{93}{100}

now we find Probability of atleast one of 12 student has food allergies this means we have to find prob of 1 student, 2 student, 3 student, till 12 student have allergy out of 12 student of class then add all prob.

But instead of finding all these probability we find probability of student having no allergy.i.e., 0 student then subtract it from 1(total probability)

Probability of 0 student having allergy out of 12 student = (\frac{93}{100})^{12}

Therefore, Probability of atleast one of 12 student has food allergies

                  = 1-(\frac{93}{100})^{12}

                  = 0.581403702521

                  ≈ 0.58 ( approx)

                 

8 0
3 years ago
Read 2 more answers
What is the measure of _C?
Pani-rosa [81]

Answer:

70°

Step-by-step explanation:

A+B+C=180°

70°+40°+C=180°

C=180°-110°

C=70°

4 0
3 years ago
Read 2 more answers
A Basketball team with 16 members needs $6216 to purchase new jerseys each member is responsible for contributing an aqual share
Irina-Kira [14]
16 rounded to the tens place = 20
6216 rounded to the thousands place = 6000

6000/20 = 300 <==
8 0
3 years ago
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