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Mars2501 [29]
3 years ago
11

What is the area to this problem?

Mathematics
1 answer:
Nady [450]3 years ago
6 0

Answer:

56 units²

Step-by-step explanation:

Each triangle has an area that is ...

... A = 1/2bh = 1/2·7·4

There are 4 such triangles, so the total area is ...

... 4A = 4(1/2)·7·4 = 2·7·4 = 56 . . . . units²

_____

An area formula customarily used when the diagonals are pependicular to each other is that the area is half the product of their lengths.

... A = (1/2)d1·d2 = (1/2)·14·8 = 56

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In a multiple choice examination of 20 questions, four marks are given for each correct answers and one mark is deducted for eac
mrs_skeptik [129]

Step-by-step explanation:

Total no. of questions = 20

Marks given for a correct answer = 4

Marks deducted for a wrong answer = 1

No. of questions attended by the candidate = a

No. of questions the candidate gets correct = c

No. of questions the candidate gets wrong = a - c

Marks obtained for correct answers = 4c

Marks deducted for wrong answers = 1 (a - c)

Total marks scored by the candidate =

Marks obtained for correct answers - Marks deducted for wrong answers

Total marks scored by the candidate = 4c - 1 (a - c)

= 4c - a + c

= 5c - a

4 0
3 years ago
I need help with my math homework quick please it was due a week ago!
photoshop1234 [79]

Answer:

-7

Step-by-step explanation:

16-23=-7 because 23 is bigger than 16 so its going to end in a negative.

7 0
2 years ago
Read 2 more answers
Herr is a balance hanger diagram a circle has a mass of three grams and a square has a mass of two grams which is the mass of th
Naily [24]

The hanger diagram ideally should be in balance with all the shapes hung on it.

On the left side, it shows that the circles are 9 grams and the squares are 12 grams. The triangles are 2t grams. Therefore, on the left side we have,

9 + 12 + 2t

On the right side, it shows the circles are 6 grams and the squares are 6 grams, while the triangles are 5t grams. Therefore on the right side we have

6 + 6 + 5t.

For the hanger to be in balance, we should have

undefined

3 0
1 year ago
What is equivalent to 4 2/3
Svet_ta [14]
8
46
is equivalent to 4
23
because 4 x 2 = 8 and 23 x 2 = 46
12
69
is equivalent to 4
23
because 4 x 3 = 12 and 23 x 3 = 69
16
92
is equivalent to 4
23
because 4 x 4 = 16 and 23 x 4 = 92
4 0
3 years ago
Perform the indicated operation.<br>(3x - 4)2
pashok25 [27]

Answer:

6x-8

Step-by-step explanation:

you multiply 2*3x=6x then 4*2=8

therefore 6x-8=(3x-4)2

8 0
2 years ago
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