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TiliK225 [7]
3 years ago
8

Please help me! Immediate Urgent help please!

Mathematics
1 answer:
KATRIN_1 [288]3 years ago
6 0

Answer:

  • a = 144
  • b = 67

Step-by-step explanation:

When a transversal crosses parallel lines, the interior same-side angles are supplementary. That means ...

  a° and 36° are supplementary, so

  a = 180 - 36 = 144

and

  b° and 113° are supplementary, so

  b = 180 -113 = 67

_____

The bases of this trapezoid are parallel, as indicated by the right-pointing arrow on each one. The left- and right-ends of the trapezoid are lines between the parallel bases that meet the requirement for the marked angles next to each one to be supplementary.

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Tickets to a concert cost $2 for children, $3 for teenagers and $5 for adults. When 570 people attended the concert, the total t
Ilia_Sergeevich [38]

Answer: 220

<u>Step-by-step explanation:</u>

Children (x): $2

Teens (y): $3, \frac{3}{4}x

Adults: (z): $5

Quantity: x + y + z = 570  ⇒  x + \frac{3}{4}x + z = 570  ⇒ 1.75x + z = 570  

Cost: 2x + 3y + 5z = 1950  ⇒  2x + 3(\frac{3}{4}x) + 5z = 1950  ⇒  2x + 2.25x + 5z = 1950  ⇒  4.25x + 5z = 1950

Qty:    1.75x +  z =  570  →  5(1.75x +  z =  570)  →    8.75x + 5z = 2850

Cost: 4.25x + 5z = 1950 → -1(4.25x + 5z = 1950 → <u> -4.25x - 5z</u> = <u>-1950 </u>

                                                                                  4.50x        =   900

                                                                                          x       =    200

Teens (y): \frac{3}{4}x

           y = \frac{3}{4}(200)

             = \frac{600}{4}

             = 150

Quantity: x + y + z = 570  

              200 + 150 + z = 570

                     350     + z = 570

                                    z = 220


6 0
3 years ago
How do you put 3/4% ,3/25%, and 11/20% as a decimal
Ahat [919]
First 3/4: this is actually 0.75. but the percent means we have to divide it by 100:

0.0075

3/25 is actually 0.12 (because it's equal to 12/100: i multiplied both numbers by 4)

and if it's a percent, again we "move to "move the point" or in other words divide by a 100:

0.0012 (think of dividing by 10 as of moving the coma to the left and adding zeros if there is noone to move)

the last one is equal to 55/100 (multiplied both by 5), so 11/20 % is 0.0055


I hope this was clear, let me know if you have questions!

4 0
3 years ago
(practice quiz)<br>subject: Mathematics ​
Charra [1.4K]

Answer:

80cm by 60cm

Step-by-step explanation:

For every inch is to 40 cm.

Length = 2in*40=80 cm

Width. =1.5in*40=60cm

6 0
3 years ago
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PLEASE HELP MEH! I NEED HELP ASAP
Vladimir [108]

Answer:

Planet D

Step-by-step explanation:

1.5*10^9 = 1,500,000,000

1.07*10^8 = 107,000,000

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3 0
3 years ago
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If I understand you, a person eats about 14 pounds of turkey a year.  So we will divide all that turkey (1120 pounds) by 14 to find out how many years.

1,120 ÷ 14 = 80   So it will take 80 years.   (Since babies can't eat that much turkey a year it will actually take more than 80 years - or the person can eat more than 14 pounds in some years to make up for their early years when they ate less)  I know it's a math question, but I also like to be realistic about it.  Who measures the amount of turkey they eat yearly anyway?  :-)
3 0
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