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Cerrena [4.2K]
3 years ago
5

Can someone please explain what I have to do​

Mathematics
1 answer:
Pepsi [2]3 years ago
4 0

Answer:

16.7 cm

Step-by-step explanation:

Area of a triangle = ½*base*height

Area of the shaded region = area of triangle = 100.2 cm³

base = w

height = 12 cm

Plug in the value into the equation:

½*w*12 = 100.2

6w = 100.2

w = 100.2/6

w = 16.7 cm

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Answer:

What would be the compound interest rate if Tom borrowed $6000 at a 3% interest rate for 2 years?

Step-by-step explanation:

Matbe 23 days

3 0
3 years ago
Molly took part in a math quiz and scored 55 points on 30 questions. Of the questions, there were 3-point word problems, 2-point
seropon [69]

Answer:

3\ point\ word = 5

2\ point\ word = 15

1\ point\ word = 10

Step-by-step explanation:

Given

Represent

3-point word with T;

2-point with U and

1-point with V

U = 5 + V --- (1)

If total questions is 30, then

T + U + V = 30 --- (2)

If total points is 55, then

3T + 2U + V = 55 --- (3)

Substitute 5 + V for U in (2) and (3)

T + U + V = 30 --- (2)

T + 5 + V + V = 30

T + 5 + 2V = 30

T + 2V = 25 ---- (4)

3T + 2U + V = 55 --- (3)

3T + 2(5 + V) + V = 55

3T + 10 + 2V + V = 55

3T + 10 + 3V = 55

3T  + 3V = 55 - 10

3T  + 3V = 45

Divide through by 3

T + V = 15 ---- (5)

Subtract (5) from (4)

(T + 2V = 25 )- (T + V = 15)

T - T + 2V - V = 25 - 15

V = 10

Recall that:

U = 5 + V

U = 5 + 10

U = 15

Substitute 10 for V in (5)

T + V = 15

T + 10 = 15

T = 5

3 0
3 years ago
PLS HELP
Korvikt [17]

Answer:

$18.80

Step-by-step explanation:

1410/75 = 18.8

4 0
3 years ago
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Evaluate each expression for d = -3.
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Answer:

d = - 3

Step-by-step explanation:

There's no expression

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Https://www.dropbox.com/s/vnurvg2iqim6xnd/Screenshot%202016-10-18%2008.25.52.png?dl=0
5 0
4 years ago
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