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3 years ago

Help me please what number represented by the shaded position

Mathematics

1 answer:

Pavlova-9 [17]3 years ago

6 0

Count the total number of squares.

There are 10 by 10 of them or:

$\sf 10\cdot 10=100$

So there are a total of 100 squares, now count the shaded squares.

$\sf 4\cdot 4=16$

There are 16 shaded squares out of 100, this is a fraction:

$\sf\dfrac{16}{100}=\boxed{\sf 0.16}$

So your answer is C.

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Solve the equation.

Nutka1998 [239]

Answer:

Step-by-step explanation:

In this technique, if we have to factorise an expression like ax2+bx+c, we need to think of 2 numbers such that:

N1⋅N2=a⋅c=1⋅−12=−12

AND

N1+N2=b=−1

After trying out a few numbers we get N1=3 and N2=−4

3⋅−4=−12, and 3+(−4)=−1

x2−x−12=x2−4x+3x−12

x(x−4)+3(x−4)=0

(x+3)(x−4)=0

Now we equate the factors to zero.

x+3=0,x=−3

x−4=0,x=4

3 0

3 years ago

Help plssssssssssssss

laila [671]

Answer: (-3,-2)

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Which equation can be used to find 30 percent of 600

agasfer [191]

A/b *100
For example,
30/600.
30/600=0.05
0.05*100=5%

5 0

3 years ago

a person bought two watches for 2500, she sold one of them at 10% profit & the other one at 4% loss. what was her gain or lo

Zepler [3.9K]

Answer:

profit : RS 150 and profit % : 3%

Step-by-step explanation:

for profit 10% for loss 4%

s.p will be 2750. s.p will be 2400

Total s.p : 2750 +2400. total s.p : 5150

profit = s.p-c.p. profit%=?

=5150-5000. profit = p /c.p × 100

=150 = 150/5000×100

= 3%

8 0

2 years ago

Given: ABC is a right triangle with right angle C. AC=15 centimeters and m∠A=40∘ . What is BC ? Enter your answer, rounded to th

konstantin123 [22]

In order to answer this question, the figure in the first picture will be helpful to understand what a right triangle is. Here, a right angle refers to $90\°$ .