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3 years ago

10/16 x 2/16 = 12/16 in multiplication form

Mathematics

1 answer:

ivann1987 [24]3 years ago

3 0

Correct answer:

5/64

Step-by-step explanation:

Multiply the numerators: 10 × 2 = 20
16 × 16 = 256
Put them together: 20/256
Simplify: 20/256 = 5/64

I hope this helps!

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2.1x 10^8 is how many times the value of 4.2 x 10^2?

Airida [17]

Answer:

Step-by-step explanation:

If you want to find out how many times larger something is than something else, you have to divide. We will set up a problem that looks like this:

$\frac{2.1*10^8}{4.2*10^2}$

Diving 2.1 by 4.2 gives us .5; to divide the exponents, we remember that if we divide like bases we have to subtract the exponents. 10 is our base in both cases, so 8 - 2 gives us 6, resulting in:

$.5*10^6$

However, this isn't in scientific notation. We need to move the decimal one more place to the right, which in trn reduces the exponent by 1:

$5*10^5$

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3 years ago

In the diagram, m∠1=(113−y)°, m∠2=36°, and m∠3=(x+34)°. Write an equation to solve for x and an equation to solve for y. Find

scoundrel [369]

Answer:

Sorry I don't know the answer but here's where you can find it! bit .ly/3gVQKw3

8 0

3 years ago

Read 2 more answers

Graph the image of the given triangle under a dilation with a scale factor of –4 and center of dilation (0,0).

Dvinal [7]

Step-by-step explanation:

Hey there!

The coordinates of a triangle are;

A (1,2)
B (1,-2)
C (-2,-2)
Scale factor = -4 and centre at (0,0)

Now, We have;

P(x,y)----------- P'(kx, ky)

Keep formula;

A(1,2)---------- A'(-4×1 ,-4×2)

= A'(-4, -8)

B(1,-2)------------- B'(-4,8)

C(-2,-2)-------------C'(8,8)

[ The A' should be kept in (-4,-8). There was no place in this graph so, i kept it just below -7. Please while plotting remember to keep it on "-8".]

Hope it helps..

8 0

4 years ago

A gardener has 640 feet of fencing to fence in a rectangular garden. One side of the garden is bordered by a river and so it doe

kari74 [83]

9514 1404 393

Answer:

160 ft (out from the river)
320 ft (parallel to the river)

Step-by-step explanation:

Let x represent the length of fence parallel to the river. Then the dimension of perpendicular to the river will be half the remaining fence: (640-x)/2. The total area will be ...

A = x(640-x)/2

This is the equation of a parabola that opens downward. It has zeros at x=0 and x=640, so its axis of symmetry is x = (0+640)/2 = 320. That is, the peak of the area curve is found when x=320.

The dimensions of the garden with the largest area are 160 ft wide by 320 ft long, where the long side is the river side.

6 0

3 years ago

I need some help with this question

VashaNatasha [74]

Answer:

(7w + 9x)(7w - 9x)

Step-by-step explanation:

Given expression;

49w² - 81x²

Now to solve the problem;

49w² - 81x² = 7²w² - 9²x²

Using differences of two squares;

x² - y² = (x + y)(x - y)

So;

7²w² - 9²x² = (7w + 9x)(7w - 9x)

7 0

3 years ago