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vovikov84 [41]
3 years ago
5

Please can someone help!

Mathematics
2 answers:
KIM [24]3 years ago
6 0

Answer:

Charles: 17 points

Adam: 25 points

Bethany: 30 points

stira [4]3 years ago
6 0

Answer:

Adam scored 25 points.

Bethany scored 30 points.

Charles scored 17 points.

Step-by-step explanation:

A = Adam, B = Bethany, C = Charles

What we know:

C + 8 = A

A +  5 = B

A + B + C = 72

Charles:

C + 8 + 5 = B

C + (C + 8) +  (C + 13) = 72

72 - 8 - 13 = 51

51/3 = 17

Charles scored 17 points.

Bethany:

17 + 13 = 30

Bethany scored 30 points.

Adam:

17 + 8 = 25

Adam scored 25 points.

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nekit [7.7K]

Answer:

21 books were added

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7 0
2 years ago
2. Using the substitution method, Jose is solving the following system of equations
Svetradugi [14.3K]

Answer:

3

Step-by-step explanation:

the answer is 3 if you check very well

5 0
3 years ago
Plz plz help there are 2 answers
Lelechka [254]

Answer:

A)~ 2(x+2)=2x+14~(NO)

B)~14(x+3)=14x+42~(YES)

C)~14(x+5)=14x+70~(NO)

D)~7(2x+6)=14x+42~(YES)

E)~2(2x+20)=14x+40~(NO)

So,~ B ~and ~ D ~ are~ your ~ answers

<h3><u>---------------------------</u></h3><h3><u>hope it helps...</u></h3><h3><u>have a great day!!</u></h3>

4 0
3 years ago
Para embalar una caja se emplea 4,2 m de cinta adhesiva. ?Cuántas cajas se podrán embalar con tres rollos que tienen 3 hm, 7 dam
kompoz [17]

For this case, we perform the conversions:

First roll:

1 \ Hectometer --------> 100 \ meters\\3 \ Hectometer --------> x

x = \frac {3 * 100} {1}\\x = 300 \ meters.

We make a rule of three to determine the number of "c" boxes that can be packed with 300 meters of adhesive tape.

1 -----------> 4.2

c -----------> 300

c = \frac {300 * 1} {4.2}\\c = 71.42857143\\c = 71

You can pack 71 boxes.

Second roll:

1 \ Decametro --------> 10 \ meters\\7 \ Decameter --------> x\\x = \frac {7 * 10} {1}\\x = 70 \ meters.

We make a rule of three to determine the number of "c" boxes that can be packed with 70 meters of adhesive tape.

1 -----------> 4.2

c -----------> 70

c = \frac {70 * 1} {4.2}\\c = 16.66666667\\c = 16

You can pack 16 boxes.

Third roll:

1 -----------> 4.2

c -----------> 50

c = \frac {50 * 1} {4.2}\\c = 11.9047619\\c = 11

You can pack 11 boxes.

Thus, in total you can pack11 + 16 + 71 = 98 \ boxes

Answer:

98 boxes

4 0
3 years ago
What is the area of a rectangle with a length of 3in and a with of 5 square root of 2
abruzzese [7]

Answer:

The area of the rectangle = 15√2 in²

Step-by-step explanation:

What is the area of a rectangle with a length of 3in

and a width of 5√2.

……………………………………………

FORMULA :

area of a rectangle = length × width

===============================

Then

The area of the rectangle = 3 × 5√2 = 15√2

7 0
2 years ago
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