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Setler [38]
3 years ago
15

حل الاسئلة لو سمحت يا زنماي

Mathematics
1 answer:
Klio2033 [76]3 years ago
5 0
I’m sorry can you translate? i don’t quite understand
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At the theater, tickets for adults cost $4.75
shutvik [7]
X+y= 26 and 4.75x + 2.25y= 83.50

y=26-x( substitute this into second equation for y and solve for x)

4.75x + 2.25(26-x)= 83.50

4.75x + 58.5-2.25x= 83.50

x= 10

Now solve for y by substituting your answer for x

10+ y= 26

y=16

Therefore, 16 tickets were purchased for kids and 10 for adults.

7 0
3 years ago
IN THE FIGURE BC IS PARALLEL TO AD. AREA OF TRIANGLE ABC IS 100 cm². WHAT IS THE AREA OF TRIANGLE BCD
Anuta_ua [19.1K]

Answer:

150 cm2

Step-by-step explanation:

double of triangle abc is 200

this is in middle of both

3 0
3 years ago
What is 2.13 times 0.197
irina [24]

Answer:

0.41961

Step-by-step explanation:

Line the numbers up, multiply, move the decimal five times to the left.

4 0
4 years ago
Find a pair of square numbers which give a difference of 39
nadya68 [22]
64-25=39 All the square numbers are 1,4,9,16,25,36,49,64,81,100
5 0
4 years ago
Tay-Sachs disease is a genetic disorder that is usually fatal in young children. If both parents are carriers of the disease, th
LuckyWell [14K]

Answer:

Step-by-step explanation:

Given that Tay-Sachs disease is a genetic disorder that is usually fatal in young children. If both parents are carriers of the disease, the probability that each of their offspring will develop the disease is approximately 0.25.

Let X be the no of children having this disease out of 4 occasions

Then X has two outcomes and each trial is independent of the other trial

Hence X is binomial with n =4, and p = 0.25

a) P(X=4) = 4C4 (0.25)^4 = 0.003906

b) P(X=1) = 4C1 (0.25)(0.75)^3\\= 0.4219

c) P(4th child/3 children did not) = 0.25 since independent.

4 0
3 years ago
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