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expeople1 [14]
3 years ago
12

It is attached please help! Why is it c?

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
6 0
The answer is B.
The total hours worked is 5 x 8 teams is 40 hours x 2 cars per hour is 80 cars.
$600/80= $7.50 per car
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Suppose a normal distribution has a mean of 222 and a standard deviation of 16. What is the probability that a data value is bet
valentina_108 [34]
Mean of the distribution = u = 222
Standard Deviation = s = 16

We have to find the probability that a value lies between 190 and 230.

First we need to convert these data values to z score.

z= \frac{x-u}{s}

For x = 190, 
z= \frac{190-222}{16}=-2

For x = 230
z= \frac{230-222}{16}=0.5

So, we have to find the percentage of values lying between z score of -2 and 0.5

P( -2 < z < 0.5) = P(0.5) - P(-2)

From standard z table, we can find and use these values.

P(-2 < x < 0.5 ) = 0.6915 - 0.0228 = 0.6687

Thus, there is 0.6887 probability that the data value will lie between 190 and 230 for the given distribution. 

5 0
3 years ago
In the equation shown below what is the "a"value? <br><br> y= 2x2square +4x -9
Marat540 [252]

Answer:

The "a" value is 2x^2

Step-by-step explanation:

This is because it is the first part of the equation. The parts of the equation are given the values a, b, and c based on their position in the equation.

If this answer is correct, please make me Brainliest!

6 0
3 years ago
Determine whether the given triangle has no solution, one solution or two solutions. Then solve the triangle. Round measures of
yuradex [85]

Answer:

The triangle has one solution. The remaining side c ≈ 4 and remaining angles B = 30°; C = 31°.

Option D is correct.

Step-by-step explanation:

if angle A is obtuse and if a > b then the triangle has one solution

We are given ∠ = 119° which is obtuse and side a= 7 and side b - 4 i.e 7>4 so, the triangle has one solution.

Finding remaining side c and ∠B and ∠C

Using Law of sines to find ∠B

a/sin A = b/sin B

7/sin 119° = 4/sin B

7 * sin B = 4 * sin 119

7*sin B = 4(0.874)

sin B = 3.496/7

B = sin^-1(0.4994)

B = 29.96 = 30°

We know that sum of angles of triangle = 180°

So, 180° = 119° + 30° +∠C

180° = 149° + ∠C

=> ∠C = 180° - 149°

∠C = 31°

Now finding c

b/sin B = c /sin C

4/Sin 30 = c/sin 31

4* sin 31 = c*sin 30

4*0.515 = c* 0.5

=> c =  4*0.515/0.5

c = 4.12 ≈ 4

So, Option D one solution; c ≈ 4; B = 30°; C = 31° is correct.

7 0
3 years ago
Jose's monthly bank statement showed the following deposits and withdrawals:
cestrela7 [59]

Answer:

$147.01

Step-by-step explanation:

$58.64 - $32.50 is $26.14

$26.14 + 46.25 is $72.39

$72.39 - ($16.04+$7.50) is $48.85

Lastly, 48.85 + $98.16 = $147.01

8 0
2 years ago
Each person in a group buys a movie ticket, a drink, and a popcorn. How much does the group pay when there are 5 people in the g
Leya [2.2K]

Answer:

10.75$

Step-by-step explanation:

$5.00 + $2.75 + $3.00 = $10.75 x5 = $53.75

Ticket     Drink   Popcorn   Multiply it by five,

Results is $53.75

Make sure to brainiest me!

- Jackson

8 0
1 year ago
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