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Bess [88]
3 years ago
12

Which number is prime? 85 49 70 31

Mathematics
2 answers:
Citrus2011 [14]3 years ago
5 0

Answer: 31 is a prime number because only 1 times itself equals 31. no other two factors equal 31 as a product.

Step-by-step explanation:

MrMuchimi3 years ago
4 0

Answer:

31 or D

Step-by-step explanation:

please give brainest

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D(x+a)=c(x+b) make x the subject of the formula
kiruha [24]

Answer:

w more infor

mation ab

Step-by-step explanation:

3 0
3 years ago
There are 8 performers who will present their comedy acts this weekend at a comedy club. One of the performers insists on being
Natalija [7]
Well, the keyword here is One of the performers insist on being the last.

So, the amount of performers that we can arrange freely is 7 performers.

Different ways we can schedule their appearance is :

7 ! = 7 x 6  x 5 x 4 x 3 x 2 x 1
   
 
    = 5040

hope this helps
5 0
3 years ago
An automobile manufacturer has given its van a 47.2 miles/gallon (MPG) rating. An independent testing firm has been contracted t
Romashka-Z-Leto [24]

Answer:

Test statistic = 1.664

Step-by-step explanation:

The hypothesis :

H0 : μ = 47.2

H1 : μ ≠ 47.2

Given that :

Sample mean, xbar = 47

Sample size, n = 250

Standard deviation, σ = 1.9

The test statistic :

(xbar - μ) ÷ (σ/√(n))

T = (47 - 47.2) ÷ (1.9/√(250))

T = (0.2 / 0.1201665)

Test statistic = 1.664

7 0
3 years ago
9. You are planning a school carnival. The equipment costs $180 to rent. You plan to charge $4.00 per
Andru [333]
In total would be 00.08 because you need to divide to get your answer
3 0
3 years ago
Read 2 more answers
after a lady is seated in a restaurant, she realizes that she only has $48.00. if she must pay 7% sales tax and wishes to leave
Alexeev081 [22]

Answer:

$38.84

Step-by-step explanation:

1) 48.00 x 0.07 = 3.36 (she must pay this amount)

2) 48.00 x 0.1 = 4.8 (she must tip this much)

48.00 - 4.8 + 3.36 = 39.84

She has 39.84 dollars she can use to order food with.

7 0
3 years ago
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