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marusya05 [52]
3 years ago
13

The perimeter of a television screen is 42 inches. The screen is 8 inches tall. How wide is it?

Mathematics
1 answer:
Leni [432]3 years ago
4 0

Answer:

13 inches

Step-by-step explanation:

Perimeter is all the sides added so your equation would be 8+8+x+x=42 then you combine like terms. 16+2x=42. Next you would isolate the variable 2x=26 and the divide the 2 on both sides and you get x=13. Meaning your width is 13 inches long

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zaharov [31]

Tell Me if I'm Wrong But I Believe It's 198m3

6 0
3 years ago
Suppose that two​ players, R and​ C, write down letters of the alphabet. If both write vowels or both write​ consonants, then th
vladimir2022 [97]

Answer:

-0.075

Step-by-step explanation:

[Player R, Player C] cases & outcomes :-

  • (Vowel, Vowel) = (0,0)
  • (Consonant, Consonant) = (0,0)
  • (Vowel, Consonant) = (6,-6)
  • (Consonant, Vowel) = (-5,5)
  • Prob (R chooses consonant) = 75% = 0.75
  • Prob (R chooses vowel) = 1 - 0.75 = 0.25
  • Prob (C chooses vowel) = 30% = 0.30
  • Prob (C chooses consonant) = 1 - 0.30 = 0.70

Average Loss of R = Expected value of : he choses consonant & C choses vowel; he chooses vowel & C choses consonant

= (0.75)(0.30)(-5) + (0.25)(0.70)(6)

-1.125 + 1.05

= -0.075

5 0
3 years ago
What is the value of t? Points D and E are midpoints of the sides of triangle ABC. The perimeter of the triangle is 48 units. 2
user100 [1]

Answer:

2

Step-by-step explanation:

A midpoint divides a segment in two equal segments

DB = 3t

AB = 6t

BE = 4t

BC = 8t

8t + 6t + 7t + 6 = 48

21t = 42

t = 2

8 0
3 years ago
Kelsey is on a road trip, and is reading a map that has a scale of
ycow [4]

Answer:

Her actual distance for the trip will be 112.5 miles.

Step-by-step explanation:

You need to analize the information provided in the exercise.

You know that the scale of the map Kelsey is reading is:

2\ inches=50\ miles

And according to the exercise, Kelsey's trip measures 4.5 inches on that map.

 Therefore, in order to calculate what will  be her actual distance for the trip (Let be x this distance), you can set up the following proportion:

\frac{50\ miles}{2\ inches}=\frac{x}{4.5\ inches}

Finally, you must solve for x. Then, you get:

 \frac{(50\ miles)(4.5\ inches)}{2\ inches}=x\\\\x=112.5\ miles

 Therefore, her actual distance for the trip will be 112.5 miles

5 0
3 years ago
Is 8/17 a rational number
scoundrel [369]

Answer:

No, give me brainliest please

Step-by-step explanation:

irrational because it is non terminating

6 0
3 years ago
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