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dalvyx [7]
3 years ago
7

What is the simplest fraction whose value is equal to the number $\textcolor{red}{\heartsuit}$ depicted on this number line?

Mathematics
1 answer:
GenaCL600 [577]3 years ago
8 0

Answer:

Step-by-step explanation:

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TiliK225 [7]

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8 0
3 years ago
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What is 10% of 80??????????????????
r-ruslan [8.4K]
8 is 10% of 80

Convert the percentage into a decimal:
\frac{10}{100} = 0.1

Multiply the decimal by 80:
0.1 \times 80 = 8
4 0
3 years ago
Read 2 more answers
4 strips of paneling 40cm long and 4cm wide are arranged to form a square. What is the area of the inner square in cm
Rom4ik [11]

The area of the square will be 640 sq cm.

Step-by-step explanation:

Given,

Number of strip = 4

Length (l) of each strip = 40 cm

Width (b) of each strip = 4 cm

To find the area of the inner square.

Formula

The area of rectangle = l×b

If the area of a square is A, each side will be √A

Now,

Area of each strip = 40×4 sq cm = 160 sq cm

Area of 4 strips = 160×4 sq cm = 640 sq cm

Hence,

The area of the square will be 640 sq cm.

4 0
4 years ago
I’m having trouble with these types of questions.
german

The sum of all the angles in a triangle should always add up to 360° and seeing that this is an isosceles triangle 2 of the angles should be equal.

So there would be 2 30° angles and 360-60=300 so the 3rd angle would be equal to 300° . Hope this helps!

5 0
3 years ago
Find A and B if sin2xcos3x = A sin 5x + B sin x
patriot [66]
Recall that

\sin(x+y)=\sin x\cos y+\cos x\sin y
\sin(x-y)=\sin x\cos y-\cos x\sin y

Adding these together, you have

\sin(x+y)+\sin(x-y)=2\sin x\cos y
\dfrac12\sin(x+y)+\dfrac12\sin(x-y)=\sin x\cos y

Replace x with 2x and y with 3x. You end up with

\dfrac12\sin(2x+3x)+\dfrac12\sin(2x-3x)=\sin2x\cos3x
\sin2x\cos3x=\dfrac12\sin5x+\dfrac12\sin(-x)=\dfrac12\sin5x-\dfrac12\sin x

and so A=\dfrac12 and B=-\dfrac12.
7 0
3 years ago
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