2 years ago

if both addends are round to greater number, will the estimate be greater than or less the the estimate number

Mathematics

1 answer:

JulijaS [17]2 years ago

4 0

The answer is greater than

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Two cars travel along a highway at the same speed.

Mazyrski [523]

Answer:

30 mins

Step-by-step explanation:

<em>speed = distance/ time </em>

speed of car A

= 20/ 12 km/ min

= 5/ 3 km/ min

also, speed of car A = speed of car B

speed of car B = 5/ 3 km/ min = 50km / time taken (in mins)

$\frac{5}{3} = \frac{50}{t}$

$5t = 150$

$t = 30$

=> t = 30 mins

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2 years ago

What numbers less than 200 are divisble by 4 but not 12

kolezko [41]

Answer:

There are 48 numbers that satisfy the condition

Step-by-step explanation:

Find the relationship between 3 and 12

3 * 4 = 12

The maximum number of multiples of 12 within 200 is 18.

The maximum number of multiples within 200 is 66.

So the number of numbers within 200 that go exactly into 3 but not exactly into 12 is:

66-18 = 48

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2 years ago

(-3x^2+x^4+x)+(2x^4-7+4x)

iragen [17]

1. Remove parentheses

-3x^2 + x^4 + x + 2x^4 - 7 + 4x

2. Collect like terms

-3x^2 + (x^4 + 2x^4) + (x + 4x) - 7

3. Simplify

-3x^2 + 3x^4 + 5x - 7

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3 years ago

Simplify the sum or difference of Square root 5+6 Square root 5

Alekssandra [29.7K]

200 is wrong because I just need to answer this question to finish my profile fully!

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3 years ago

7. x – 5y = 4<br>2x + 14 = y

const2013 [10]

This is your answer.... all you are doing is substituting what ever the variable is

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