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spin [16.1K]
2 years ago
13

Use the perimeter to find the length of segment AD. This is the distance from A to D. Explain how you found your answer. Please

help!

Mathematics
1 answer:
jekas [21]2 years ago
5 0

Answer:

AD = 5 units

Step-by-step explanation:

Given:

Perimeter = 18 units

BC = 4 units

CD = 3 units

Required:

Length of segment AD

Solution:

Perimeter = AB + BC + CD + AD

We can easily find AB,

AB = 6 units (distance from A to B)

Plug in the values

18 = 6 + 4 + 3 + AD

18 = 13 + AD

Subtract 13 from each side

18 - 13 = 13 + AD - 13

5 = AD

AD = 5 units

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If the measure of ZB is 40°, what measures can ZA and
lubasha [3.4K]

Answer: 30° and 110°

55° and 85°

70° and 70°

The sum of angles in a triangle is 180°. Therefore, since an angle has been given as 40°, the remaining angles will be:

= 180° - 40°

= 140°

Therefore,

30° + 110° = 140°

55° + 85° = 140°

70° + 70° = 140°

5 0
2 years ago
I need an answer what is 1.03 ÷ (-10.3)=?
Sloan [31]
The answer is - \frac{1}{10}
To figure this out,  convert both numbers to fractions. 1.03 = 1\frac{3}{100} and (-10.3) = -10\frac{3}{10}. Now, convert to improper fractions. 
 1\frac{3}{100}  = [tex] \frac{103}{100}
-10\frac{3}{10} = - \frac{103}{10}
Now, divide. Dividing fractions is the same as multiplying by the reciporical. So:
-\frac{103}{10}  \ becomes\  \frac{10}{103}
\frac{103}{100} *- \frac{10}{103} =  -\frac{1030}{10300} = - \frac{1}{10}
5 0
3 years ago
Please help!! Math problem and I don't know how to do it!! 14 points!!
IgorLugansk [536]

Let Brian's steps have a measure of 1, and Richard's steps have a measure of k. Then after each walks 5 steps away from the other, their distance apart is

... 5 + 5k

We are told that distance is equal to 9 of Richard's steps, so is equal to 9k.

... 5 + 5k = 9k

... 5 = 4k . . . . . . . subtract 5k

... 5/4 = k . . . . . . divide by 4

Richard's steps are 5/4 the size of Brian's steps. The appropriate selection is

... b) 5/4

6 0
2 years ago
LUAHLILULL-----
Ann [662]

x+y=19 and 6.5x+3y=74.5 can be used to determine the number of gifts wrapped and number of giftbags prepared where x represents the wrapped gifts and y represents giftbags.

Step-by-step explanation:

Let,

x be the gift wrapped with wrapping paper.

y be the gifts in gift bag.

Time for wrapping one gift = 6.5 minutes

Time for doing 1 gift bag = 3 minutes

Total gifts = 19

Total time = 74.5 minutes

According to given statement;

x+y=19

6.5x+3y=74.5

x+y=19 and 6.5x+3y=74.5 can be used to determine the number of gifts wrapped and number of giftbags prepared where x represents the wrapped gifts and y represents giftbags.

Keywords: linear equation, addition

Learn more about linear equations at:

  • brainly.com/question/788903
  • brainly.com/question/774670

#LearnwithBrainly

3 0
3 years ago
Which statements are true regarding the prism? Check all that apply
denis-greek [22]
What are the choices
8 0
3 years ago
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