All categories

2 years ago

Whats the upper bound for estimate for 354 + 267?

1 answer:

7 0

Personally I'd replace 354 with 360 and 267 with 270, and then add 360 and 270, obtaining 630. Similarly, estimate 63.75 + 3.63 by adding 60 and 3: 63. There's no single answer for either problem. For "upper bound," I round the given addends upward; for "lower bound," I found the addends down.

You might be interested in

Let v1 = (-6,4) and v^2 = (-3,6). Compute the following<br> V^1 * V^2

Vesnalui [34]

It is just the multiplication of vectors. We'll multiply corresponding pairs together. The general formula for the pairs of ( $x_{1}$ ; $y_{1}$ ) and ( $x_{2}$ ; $y_{2}$ ) is $x_{1}$ * $x_{2}$ + $y_{1}$ * $y_{2}$ = (-6)*(-3)+4*6=18+24=42

7 0

2 years ago

When rolling two dice what is the probability of rolling a sum of six or two even numbers.

MAVERICK [17]

The probability of rolling a sum of six or two even numbers.

is P = 1/3

<h3>How to find the probability?</h3>

Here we are rolling two dice, and each dice has 6 possible outcomes, then the total number of outcomes is:

6*6 = 36

Now, the outcomes that given a sum of 6 are:

dice 1 dice 2.

1 5

5 1

2 4

4 2

3 3

We have 5 outcomes there.

The outcomes where both numbers are even are:

dice 1 dice 2.

2 2

2 4

4 2

4 4

4 6

6 2

6 4

6 6

We have 8 outcomes here (such that 2 are in the ones we counted before).

Then the total number of outcomes that either add to 6 or have both even numbers are:

5 + 8 - 2 = 12

Then 12 out of 36 outcomes either add to 6 or have both even numbers, this means that the probability is:

P = 12/36 = 1/3

If you want to learn more about probability:

brainly.com/question/25870256

#SPJ1

7 0

1 year ago

What is a?

diamong [38]

numbers?............

4 0

2 years ago

Read 2 more answers

150g of roquefort cheese cost £1.68<br> work out the cost of 250g of roquefort

mafiozo [28]

ANSWER

250g of Roquefort cheese will cost

£2.8

EXPLANATION

If 150g of roquefort cheese cost £1.68, we can write the ratio,

$150: 1.68$

Let 250g of Roquefort cheese cost £x.

Then we can again write the ratio,

$250:x$

We can equate the two ratios and solve for x.

$150: 1.68 = 250:x$

We rewrite the ratios as fractions to obtain,

$\frac{150}{1.68} = \frac{250}{x}$

We cross multiply to get,

$150x = 250 \times 1.68$
This implies that,

$150x = 420$

Divide both sides by 150 to get,

$x = \frac{420}{150}$
$x = 2.8$

Therefore 250g of Roquefort cheese will cost

£2.8

6 0

3 years ago

Write 2.37 as a percent.

Alenkasestr [34]

237% move the decimal twice

6 0

2 years ago