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Dafna11 [192]
3 years ago
7

HELP PLZ I NEED THIS ANSWER FAST! D: im dumb-

Mathematics
1 answer:
vladimir1956 [14]3 years ago
5 0
Answer D
I could be wrong
Explanation
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A manufacturer of pickup trucks is required to recall all the trucks manufactured in a given year for the repair of possible def
Dafna11 [192]

Answer: Probability of trucks having both defects is 4%.

Step-by-step explanation:

Since we have given that

Probability of trucks having defective brake linings only = 6%

Probability of trucks having defective steering only = 3%

Probability of trucks having neither defect = 87%

Probability of trucks having either defect - 100 - 87 = 13%

Let the probability of trucks having both defects be 'x'.

P(defective brake lining) = P(B) = 0.06+x

P(defective steering) = P(S) = 0.03+x

So, Probability of the trucks having both defects is given by

P(S\cup B)=P(S)+P(B)-P(S\cap B)\\\\0.13=0.03+x+0.06+x-x\\\\0.13-0.03-0.06=2x-x\\\\0.04=x

So, Probability of trucks having both defects is 4%.

4 0
3 years ago
6) -5x - 7y= 11<br> x - 2y=-9
sladkih [1.3K]

Answer:

Please check the attachment.

HOPE U UNDERSTOOD

COMMENT IF ANY DOUBTS

THANK YOU.

3 0
4 years ago
Simplify each of the expressions by combining like terms.<br><br> 2x-4x+7x+3
Ksivusya [100]

Answer:

5x+3

Step-by-step explanation:

((2-4)+7)x+ 3

6 0
3 years ago
Read 2 more answers
Round each number to the nearest ten and estimate the sum.<br>82.14 + 38.5 + 41.3​
blagie [28]

82.14 will be rounded down to 80, 38.5 will be rounded up to 40, and 41.3 will be rounded down to 40.

80 + 40 + 40 = 160

The approximate sum is 160.

5 0
4 years ago
Read 2 more answers
Emma enjoys flying kites. her red kite has a maximum altitude of 117.46 meters, and her black kite has a maximum altitude of 362
Leokris [45]
1) let's convert the maximum altitude of the black kite from feet to meters. We can do it by using the following proportion:
1 ft : 0.3048 m = 362.26 ft : x
From which we find
x=110.42 m
This is the maximum altitude (in meters) of the black kite. The problem says that the maximum altitude of the red kite is 117.46 m, therefore the red kite is the one with higher maximum altitude.

2) Let's convert the maximum altitude of the red kite from meters to feet, again by using the proportion:
1 ft : 0.3048 m = x : 117.46 m
From which we find
x=385.37 ft
Therefore, the maximum altitude of the red kite in feet is 385.37 ft.
8 0
3 years ago
Read 2 more answers
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