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inessss [21]
3 years ago
6

12.12 + 170 + 6 = Factoring quadratics

Mathematics
1 answer:
Rashid [163]3 years ago
6 0

Answer:

188.12

Step-by-step explanation:

170+6=176 so

12+176 is188and then just add .12 and you have your answer.

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Write a whole number that rounds to 30,000 if we are rounding to the nearest ten thousand.
ahrayia [7]
I think it would be any number closest to 30,000 so maybe 29,900. Hope it's correct.
8 0
3 years ago
During a special sales event, the dealership offers a 10%
pshichka [43]

Answer:

1548

Step-by-step explanation:

10 percent *15840 =

(10:100)*15840 =

(10*15840):100 =

158400:100 = 1584

8 0
3 years ago
Read 2 more answers
Weekly wages at a certain factory are
fiasKO [112]

Answer:

0.34134

Step-by-step explanation:

in other to solve for this question we would be using the z score formula

z = (x - μ) / σ

x = raw score

μ = mean

σ = standard deviation

the question tells us to find the probability that a worker selected at random makes between $350 and $400

let x1 = 350 and x2= 400 with the mean μ = 400 and standard deviation σ = $50.

z1 = (x1 - μ) / σ = (350-400) / 50 = -1

z2 = (x2 - μ) / σ = (400 - 400) / 50 = (0/50) = 0

from tables, P(z <= -1) = 0.15866

P(z <= 0) = 0.5

then the probability would give us, P(-1 ≤ z ≤ 0) =0.5 - 0.15866 =

0.34134

that explains that the probability that a worker selected at random makes between $350 and $400 = 0.34134

5 0
3 years ago
The length of human pregnancies varies normally with a mean of 266 days and a standard deviation of 16 days.What is the median l
docker41 [41]

Answer:

The median length of all pregnancies will be 266 days.

Step-by-step explanation:

We have been given that the length of human pregnancies varies normally with a mean of 266 days and a standard deviation of 16 days. We are asked to find the median length of all pregnancies.

We know that mean, median and mode all are equal for normal distribution.

Since we are told that the length of human pregnancies varies normally, therefore, the median length of all pregnancies will be same as mean that is 266 days.

7 0
3 years ago
the sum of the digits of a two-digit number is 11 the tens digit is one less thn three times the ones didgit find the original n
shusha [124]

Answer:

The original number is 83

Step-by-step explanation:

let the number be ab

Sum of the two is 11

a + b = 11

tens digit a is one less than 3 times the ones digit

3b - a = 1

a = 3b - 1

3b -1 + b = 11

4b = 11 + 1

4b = 12

b = 12/4

b = 3

a = 3b - 1

a = 3(3) - 1

a = 9-1

a = 8

4 0
3 years ago
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