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andrew11 [14]
3 years ago
8

A trapezium named pqrs with right angles at q&r. PQ equals to 9 cm, PR equals to 4 cm and RS equals to 6 cm. calculate the p

erimeter of a trapezium
Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
6 0

Answer:

Step-by-step explanation:

Draw a picture. Seriously, this time you need to, so you can see that PS is the hypotenuse of a right triangle with legs of length 3 and 4 .

PS = √(3² + 4²) = 5

Perimeter = PQ + QR + RS + PS = 9 + 4 + 6 + 5 = 24 cm

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Answer:

Step-by-step explanation: This is the answer

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2 years ago
Fernanda and Jose were working on an assignment in their geometry class in which they were to write the equation of the graph be
Alborosie

Answer:

yes they both are wrong

Step-by-step explanation:

Center of the Circle is (h,I) which is (4,-3)

so h= 4 and k = -3

radius is 4 units (3+1)

Equation for circle

(x - h) {}^{2}  + (y - k) {}^{2}  = r {}^{2}

substitute all the values in this equation

(x  - 4) { }^{2}  + (y - ( - 3)) {}^{2}  = 4 {}^{2}  \\ (x - 4) {}^{2}  + (y + 3) {}^{2}  = 16

4 0
2 years ago
Suppose lim f(x)=-1, lim f(x)=-1, and f (-3) is not defined.
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Its e all of them hope it helped
4 0
2 years ago
Find the simple interest earned in an account with $300 at 5% annual interest for 7 years.
Fiesta28 [93]

Option A

The simple interest earned is $ 105

<em><u>Solution:</u></em>

Given that, $300 at 5% annual interest for 7 years

Therefore,

Principal = $ 300

Rate of interest = 5 %

Number of years = 7

<em><u>The simple interest is given by formula:</u></em>

Simple\ Interest = \frac{p \times n \times r }{100}

Where,

p is the principal

r is the rate of interest

n is the number of years

<em><u>Substituting the values in formula,</u></em>

Simple\ Interest = \frac{300 \times 7 \times 5 }{100}\\\\Simple\ Interest = 3 \times 7 \times 5\\\\Simple\ Interest = 105

Thus simple interest earned is $ 105

8 0
3 years ago
A wireless phone plan costs Eric $35 for a month of service during which he sent 450 text messages. If he was charged an fixed a
Taya2010 [7]

Answer:

5 cents

Step-by-step explanation:

Let m = cost per message

450m + 12.5 = 35    subtract 12.5 from both sides

450m = 35-12.5

450m = 22.5           divide both sides by 450

m = 22.5/450

m = .05

The cost is $.05 per message  ... 5 cents

4 0
3 years ago
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