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3 years ago

14

How much larger is 10 7 than 10 3 What operation can we use?

1 answer:

Dmitrij [34]3 years ago

8 0

Answer:

9,999,000

subtraction

Step-by-step explanation:

We can compare numbers using subtraction or division.

A question like "how much larger" usually means a comparison by subtraction. For example, how much larger is 10 than 8. Use subtraction: 10 - 8 = 2. Answer: 2.

A question like "how many times larger" usually means a comparison by division. For example, how many times larger is 30 than 5? Use division: 30/5 = 6. Answer: 6.

Here, the question is "how much larger" not "how many times larger," so we will compare with subtraction.

10^7 - 10^3 = 10,000,000 - 1,000 = 9,999,000

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{(a, b), (a + 2, b - 4) }

Nataliya [291]

Answer:

$y=-2x+2a+b$

Step-by-step explanation:

step 1

Find the slope

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

we have the ordered pairs

(a, b), (a + 2, b - 4)

substitute the values in the formula

$m=\frac{b-4-b}{a+2-a}$

$m=\frac{-4}{2}$

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step 2

Find the equation of the line in point slope form

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we have

$m=-2$

$point\ (a,b)$

substitute

$y-b=-2(x-a)$

step 3

Convert to slope-intercept form

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isolate the variable y

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3 years ago

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4 years ago

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Mary and her family ordered a large pizza for dinner. Half of the pizza is plain and half of the pizza has pepperoni. Mary loves

Julli [10]

Answer:

3/10 of the renaming full pizza has pepperoni

Step-by-step explanation:

Here, we want to calculate how much of the remaining pizza had pepperoni.

From the question, 1/2 has pepperoni and 1/2 is plain without pepperoni

she eats 1/5 of the pizza having pepperoni, this means that she is actually left with some parts is the half having pepperoni

The actual of the half remaining with pepperoni will be 1/2 - 1/5 = 3/10

This means that 3/10 of the remaining full pizza has pepperoni

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3 years ago

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Step-by-step explanation:

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3 years ago

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Maru [420]

Answer:

Option 4

Step-by-step explanation:

Given:

Sinθ = $\frac{15}{17}$

Since, cos2θ = 1 - 2sin²θ

cos2θ = $1-2(\frac{15}{17})^2$

cos2θ = 1 - $\frac{450}{289}$

cos2θ = $\frac{289-450}{289}$

cos2θ = $-\frac{161}{289}$

Therefore, Option 4 will be the answer.

8 0

3 years ago