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2 years ago

Please help Urgently and need working out!

Mathematics

1 answer:

ziro4ka [17]2 years ago

8 0

For question 3

A) m= 7/2
B) w=4.8
C) x=1/2

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Find the midpoint of each side of the trapezoid. Connect the midpoints. What is the most precise classification of the quadrilat

alex41 [277]

The midpoints of the sides of the trapezoid are:
M ( - 1 , 1 ), N ( 1, - 1 ), P ( 3, 1 ), Q ( 1, 3 ).
MN = NP = PQ = QM = √ ( 2² + 2² ) = √ 8 = 2√2
∠MNP = ∠NPQ = ∠PQM = ∠QMN = 90°
Answer:
The quadrilateral formed by joining the midpoints of the sides of the trapezoid is a square.

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3 years ago

The perimeter of the following figure consists of ___ line segment(s) and one semicircle.

adoni [48]

Answer:

Step-by-step explanation:

The semicircle doesn't have any sides and the dotted lines are just there as an image for u.

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3 years ago

Read 2 more answers

Ivan and Tanya share £150 in the ration 4 : 1

VLD [36.1K]

Add the ratio to get total shares: 4 +1 = 5

Divide the total amount to share by the total shares:

150 / 5 = 30

Now multiply each set of shares by that:

4 x 30 = 120

1 x 30 = 30

120-30 = 90 more

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4 years ago

Order these decimals

Serjik [45]

Least 8.334
67/8
8.38
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2 years ago

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Use mathematical induction to prove that the statement is true for every positive integer n. 8 + 16 + 24 + . . . + 8n = 4n(n + 1

mezya [45]

First show the statement holds for $n=1$ . The left hand side is just 8, and the right hand side is $4(1)(1+1)=8$ , so it's true.

Assume the statement holds for $n=k$ , i.e.

$8+16+\cdots+8(k-1)+8k=4k(k+1)$

and use this to show it holds for $n=k+1$ , i.e.

$8+16+\cdots+8(k-1)+8k+8(k+1)=4(k+1)(k+2)$

By the assumption above, you have

$\underbrace{8+16+\cdots+8(k-1)+8k}_{n=k}+8(k+1)=4k(k+1)+8(k+1)=4(k+1)(k+2)$

so the statement is true for all $n\ge1$ .

3 0

3 years ago