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3 years ago

What is the perimeter of this book?

Mathematics

1 answer:

Lana71 [14]3 years ago

7 0

C. 32in. >> 10+10+6+6=32.

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Jack has 12 pencils and 7 pens. How many more pencils than pens does he have?

Olegator [25]

12-7=5
all you have to do it subtract the number of pens from the number of pencils

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3 years ago

The sum of two numbers is 22. the difference is 6. what are the two numbers?

DaniilM [7]

Answer: 14 & 8

14 + 8 = 22

14 - 8 = 6

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2 years ago

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Jacob Is Twice as old as Sue. The sum of their ages is 69 years. How old is Jacob?

NemiM [27]

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3 years ago

WILL GIVE BRAINLIST SOON AS I CAN SOMEBODY PLEASE HELP ME

fgiga [73]

Answer:

A= 75.06 Sq Cm

Step-by-step explanation:

Please refer to the picture attached with this.

In ΔABD

AB = 8.5 , AD = 6 and say BD = x

Applying Pythagoras theorem in this triangle

Pythagoras theorem says

$a^2+b^2=c^{2}$

where c is the side opposite to the right angle, and b and a are the other two sides of the right angled triangle.

$x^2+6^2=8.5^{2}$

$x^2=72.25-36$

$x^2=36.25$

$x=6.02$

Hence side $a = x +19$

a = 6.02+19

a = 25.02

Now we apply the formula for area of a triangle which is given as

$A=\frac{1}{2}\times b \times h$

Where b is the base , here we have base as a = 25.02

h is the height , here h = 6

Putting these values in Formula we get

$A=\frac{1}{2}\times 25.02 \times 6$

$A= 25.02 \times 3$

$A=75.06$

Hence Area of the triangle is 75.06 sq cm

5 0

3 years ago

You spin the spinner and flip a coin. Find the probability of the compound event. The probability of spinning a prime number and

elixir [45]

The probability of spinning a prime number and not flipping heads will be given as follows:
P(Prime)*P(Tails)
P(Prime)=3/5
P(Tails)=1/2
Thus
P(Prime) and P(Tails)
=3/5×1/2
=3/10

3 0

3 years ago

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