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AlekseyPX
2 years ago
12

1. 4(p+9)=202. -2(x+1)=4Solve for X​

Mathematics
2 answers:
Viefleur [7K]2 years ago
6 0

Answer: The answer for number 1 is X= -4

               The answer for number 2 is X= -3

olya-2409 [2.1K]2 years ago
4 0

Answer:

-4/1

Step-by-step explanation:

1)4(p+9)=20

4p+36=20

4p=20-36

4p=-16

p=-16/4

p=-4

2)-2(x+1)=4

-2x-2=4

-4x =4

x=4/4

x=1

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The sum of a number 1/6 of that number 2 1/2 of that number and seven is 12 1/2 find the number
Zigmanuir [339]

Answer:

Step-by-step explanation:

x = the number

x + 1/6x + 2 1/2x + 7 = 12 1/2

3 + (1/6 + 1/2)x = 12 1/2 - 7

3 + (1/6 + 3/6)x = 5 1/2

3 2/3x = 5 1/2

x = (11/2) / (11/3)

x = 11 / 2 * 3 / 11

x = 3/2

x = 1 1/2

5 0
3 years ago
A media poll of 500 air travelers surveyed in national airports found that 370 favor tighter security procedures in boarding pla
serg [7]

Answer:

92% Confidence interval:  (0.7078,0.7722)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 500

Number of travelers who favor tight security, x = 370

\hat{p} = \dfrac{x}{n} = \dfrac{370}{500} = 0.74

92% Confidence interval:

\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

z_{critical}\text{ at}~\alpha_{0.08} = \pm 1.645

Putting the values, we get:

0.74\pm 1.645(\sqrt{\dfrac{0.74(1-0.74)}{500}}) = 0.74\pm 0.0322\\\\=(0.7078,0.7722)

3 0
3 years ago
-4.368 - 3.86 And also 16.37 + (-29.786)
Scorpion4ik [409]

Answer:

-8.228 and -13.416

Step-by-step explanation:

math

4 0
3 years ago
A trapezoid is a quadrilateral with exactly one pair of parallel sides.
qaws [65]

Answer:

true

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
A rectangular picture frame has a length that is 6 cm greater than the width. The total perimeter is 36
Elan Coil [88]

Answer:

Step-by-step explanation:

width= x

length= x+6

perimter  = 2x+ 2(x+6)

36= 2x+ 2x+ 12

36= 4x + 12

36-12= 4x

4x= 24

x= 6

therefore width= 6cm

length= 6+6 = 12

3 0
2 years ago
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