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3 years ago

Practice multiplying numbers by powers of 10.

Mathematics

1 answer:

Juliette [100K]3 years ago

8 0

Answer:

Multiply (400 + 20 + 3) x 10000

Add 4 zeros to the end of 423

Step-by-step explanation:

423 x 10,000 = Adding the amount of zero’s in 10000 to 423

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3 years ago

100 decreased by 50% and 150 decreased by 60% Compare

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3 years ago

Solve this problem 8x + 4(x-1) a. 32x+3 b. 12x-4 c. 12x+4 d. 9x-4

Lilit [14]

Answer:

Step-by-step explanation:

8x +4(x -1)

Expand by multiplying 4 into each term inside the bracket:

= 8x +4(x) +4(-1)

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2 years ago

Read 2 more answers

a line with slope 3 passes through point (0,10). What is the y-coordinate of the point on the line with x-coordinate 2

skad [1K]

The y-coordinate is 16

<h3>Solution:</h3>

Given that a line with slope 3 passes through point (0, 10)

To find the y-coordinate of the point on the line with x-coordinate 2

Which means the point is (2, y)

Let us find the required y co-ordinate using slope formula

The slope of line is given as:

For a line containing points $(x_1 , y_1)$ and $(x_2 , y_2)$ is given as:

$\text {slope}=m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

$\text {Here } x_{1}=0 ; y_{1}=10 ; x_{2}=2 ; y_{2}=y$

Given that slope "m" = 3

Substituting the values we get,

$\begin{array}{l}{3=\frac{y-10}{2-0}} \\\\ {3=\frac{y-10}{2}} \\\\ {6=y-10} \\\\ {y=10+6=16}\end{array}$

Thus the y-coordinate is 16

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3 years ago