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Ierofanga [76]
2 years ago
14

Please help me, eshay lad

Mathematics
2 answers:
AfilCa [17]2 years ago
6 0

Answer:

122.5 cm²

Step-by-step explanation:

Area of this trapezium:

1/2 × 35 × 7

= 245/2 = 122.5 cm²

mylen [45]2 years ago
6 0

Answer:

122.5

Step-by-step explanation:

(a+b)h/ 2 = (21+14 )7/2= 35 x 7 / 2 = 122.5

I hope im rght! i

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A multiple-choice test contains 10 questions. There are four possible answers for each question. a) In how many ways can a stude
AnnZ [28]

Answer :

<h3>4^{10} <u> =1048576 ways </u> a student can answer the questions on the test if the student answers every question.</h3>

Step-by-step explanation:

Given that a multiple-choice test contains 10 questions and there are 4 possible answers for each question.

∴ Answers=4 options for each question.

<h3>To find how many ways  a student can answer the given questions on the test if the student answers every question :</h3>

Solving this by product rule

Product rule :

<u>If one event can occur in m ways and a second event occur in n ways, the number of ways of two events can occur in sequence is then m.n</u>

From the given the event of choosing the answer of each question having 4 options is given by

The 1st event of picking the answer of the 1st question=4 ,

2nd event of picking the answer of the 2nd question=4 ,

3rd event of picking the answer of the 3rd question=4

,....,

10th event of picking the answer of the 10th question=4.

It can be written as  by using the product rule

=4.4.4.4.4.4.4.4.4.4

=4^{10}

=1048576

<h3>∴ there are 1048576 ways a student can answer the questions on the test if the student answers every question.</h3>
3 0
2 years ago
Simplify. your answer can only contain positive exponets
Dahasolnce [82]
\frac{4x}{3y}

8 0
3 years ago
Plz help I will mark you brainlist plz ​
amid [387]

Here is all the work and answers for these questions they are all correct i checked them all and ive done this assignmnet before

4 0
3 years ago
A rectangular room is
MAVERICK [17]

We should fuigre it out by first doing 1.7x since we don't know the 2 different widths and lengths.

P= 2*length + 2*width(the distance around)

Question says...

2(1.7x)+2x = 28

3.4x+2x=28

5.4x=28

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x = 5.2m: the width  The length is : 8.8m

8 0
2 years ago
2+2= ? please answer asap
musickatia [10]

Pretty sure it’s 4 idk tho this is a tough one. Hahahaha

6 0
2 years ago
Read 2 more answers
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