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sesenic [268]
3 years ago
6

PLEASE EXPALIN :))))) ( THERES A PIC)

Mathematics
1 answer:
Bond [772]3 years ago
3 0
Altitudes make right angles so it is C
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If frank has 24 pennies 62 nickles 55 dimes 16 quarters and 19 fifty cent pieces how much money does he have
Nitella [24]

Answer:

Frank has $22.34.

Step-by-step explanation:

24 pennies - 0.01 x 24 = 0.24

62 nickels - 0.05 x 62 = 3.10

55 dimes - 0.10 x 55 = 5.50

16 quarters - 0.25 x 16 = 4.00

19 half dollar (50cent) - 0.50 x 19 = 9.50

0.24 + 3.10 + 5.50 + 4.00 + 9.50 = 22.34

8 0
4 years ago
Read 2 more answers
Explain how to find 80% of a number if 135% of that number is 540.
Dmitry_Shevchenko [17]

Answer:

x = 911.25

Step-by-step explanation:

let the number be x

by putting the word problem in equation, we get :

  • 80/100 × x = 135/100 ×540
  • 4/5 × x = 135/10 × 54
  • x = 135/10 × 54 × 5/4
  • x = 911.25

6 0
3 years ago
(9p-5q)^2=can anyone plss answers this ​
DIA [1.3K]

Step-by-step explanation:

{(9p - 5q)}^{2}

Hence according to ,

{(a - b)}^{2}  =  {a}^{2}   -  2ab +  {b}^{2}

So,

{(9p)}^{2}  - 2 \times 9p \times 5q +  {(5q)}^{2}

81 {p}^{2}  - 90pq + 25 {q}^{2} (ans)

8 0
3 years ago
Describe and correct the error in finding DC
sleet_krkn [62]

Answer:

DC = 2

Step-by-step explanation:

The wrong equation was used.

The right equation to use based on the midsegment theorem of a trapezoid is:

MN = ½(AB + DC)

MN = 8

AB = 14

Substitute

8 = ½(14 + DC)

Multiply both sides by 2

8*2 = ½(14 + DC)*2

2*8 = 14 + DC

16 = 14 + DC

16 - 14 = 14 + DC - 14

2 = DC

DC = 2

6 0
3 years ago
A rectangular field is four times as long as it is wide. If the perimeter of the field is 520 yards, what are the field's dimens
juin [17]

Answer:

Width = 52 yards

Length = 208 yards

Step-by-step explanation:

(2 * 4x) + 2x = 10x

10x = 520

x = 52

52 * 4 = 208

(208 * 2) + (52 * 2) = 416 + 104 = 520 yards

Your welcome!

Kayden Kohl

8th Grade Student

4 0
3 years ago
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