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viktelen [127]
3 years ago
14

Can someone help on this question

Mathematics
2 answers:
fgiga [73]3 years ago
8 0

Answer:

a)  60 points

b)  0 point

c)  22 points

d)  -11 points

Step-by-step explanation:

a)  20 * 3 = 60 points (all answered correct)

b)   0 point (Minimum score if you don't answer any of the questions)

c)  10 * 3 = 30 points

    (14 - 10)  * -2 = -8 points

    right minus wrong =  30 - 8 = 22 points  

d)  5 * 3 = 15 points

    (18 - 5) * -2 = -26 points

    right minus wrong = 15 - 26 = -11 points

kicyunya [14]3 years ago
7 0

Answer:

a) 3 x 20 = 60

b) -2x20 = -40

question c and d are unclear as we do not know how many questions were wrong and how many were not answered.

Sorry but I hope that helped

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Answer:

$77

Step-by-step explanation:

First, let's find the total money they have raised.

$157 + $366 = $523

They have raised $523 in the first two weeks.

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Answer:

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3 years ago
Alex wrote 103.903 in expanded form as 100+3 x 1+9 x 1/100 +3 x 1/1000. Explain his mistake then tell how to correct it.
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Your mistake was in this part  9 x 1/100 . After the decimal point the place value starts with tenths so you should write 9 x 1/10 .

Place values

Before the decimal point

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After the decimal point

9 tenths = 9 x 1/10

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3 thousandths= 3 x 1/1000

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Answer:

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Step-by-step explanation:

We are told that the areas of 2 of the faces are 84cm² and 56cm².

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Thus, it means they would have the same height.

Let's find the highest common factor between 84cm² and 56cm².

The highest number that can be divide each equally is 7.

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