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maria [59]
4 years ago
11

Does anyone know how to do this?

Mathematics
2 answers:
Arte-miy333 [17]4 years ago
5 0

Answer:

71%

Step-by-step explanation:

She has 65% for 1st paper which have 120marks, we can calcule how marks she done:

120*0,65=78

On the 2nd pper she done:

80*0,80=64

The total marks was 120+80=200

She done 78+64=142

200—>100%

142—->x%

X=14200/200=71

Total procent score is 71%

Andrew [12]4 years ago
4 0

Answer:

Yes

Step-by-step explanati

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I also need to know what m∠cdb is
Oliga [24]

Answer:

x = 4

m<cdb = 82

Step-by-step explanation:

The exterior angle thm states that the exterior angle of a triangle is equal to the sum of the opposite interior angles:

7x + 2 + 17x = 98

24x + 2 = 98

24x = 96

x = 4

m<cdb =

y + 98 = 180

y = 180 - 98

y = 82

3 0
3 years ago
Based on what you know now, how are linear and exponential functions alike?
Ainat [17]

Answer:

They're similar in that they both have to maintain a steady rate of rise as they grow. While graphing, you can't adjust the slope or exponent after traveling up a graph.

Step-by-step explanation:

5 0
3 years ago
10% OFF! What was the original price of a set of dishes whose sale price is $216?
Romashka [77]

Answer:

240

Step-by-step explanation:

If we get 10% off, we still have to pay 100-10 = 90%

Let x be the original price

x *90% = 216

.90x = 216

Divide each side by .90

.90x/.90 = 216/.90

x =240

The original price is 240

4 0
3 years ago
Read 2 more answers
One side of a square is 11 ft. Tom found that the area of his square is 22. Is Tom correct? Explain why he is correct or incorre
guapka [62]

Answer:

Tom is incorrect.

Step-by-step explanation:

A square by definition implies that all sides of the square are the same measurements. In the case of finding the area, A = s². Tom, however, solved it as A = 2s.

In this case:

Area of square = s² = 11² = 121 ft²

121 ft² is the correct measurement.

~

3 0
3 years ago
Read 2 more answers
The temperature was -5 degrees Fahrenheit when Sally went to s school on Monday. The temperature rose 20 degrees Fahrenheit duri
brilliants [131]

Answer:

-40 degrees Fahrenheit.

5 0
3 years ago
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