1. Darius wants to simplify the expression below but does not have a calculator,

Mathematics

1 answer:

Elena L [17]3 years ago

7 0

Step-by-step explanation:

it's answer (a) because he has to multipy the fractions because always fractions goes first and then he needs to add 5

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Pls help will mark brainlest

kari74 [83]

Answer:

15 bags

Step-by-step explanation:

She can fill 5 bags per each pound (because there are 5 $\frac{1}{5}ths$ per pound)

Since there are 3 pounds, and , again, each pound can fill 5 bags, she will need 15 bags.

Another way too look at it is to ask how many 1/5ths are in 3 pounds. To find this answer mathematically:

3 ÷ 1/5 = 15 because when we divide by a fraction, we need to flip it and then multiply (so 3 ÷ 1/5 is actually 3×5)

7 0

3 years ago

4,180 nearest thousand using number line

marta [7]

Round to the nearest thousand.

Look at the number in the place value to the right (hundreds). It is a 1. Because 1 is less than 5, round down

4000 is your answer

hope this helps

5 0

3 years ago

Simplify this expression. 20.25 – 9 + 11 о 1 4 0 18.75 0 21? 0 40.75

Greeley [361]

Answer:

$21\frac{3}{4}$

Step-by-step explanation:

Step 1: Add the numbers.

20.25 can also be expressed as $20\frac{1}{4}$ , because $\frac{2025}{100}$ = $\frac{81}{4}$ = $20\frac{1}{4}$ . So if we add $20\frac{1}{4}$ and 11, we would get $31\frac{1}{4}$

Step 2: Solve

$31\frac{1}{4} -9\frac{1}{2}$

Subtract the whole numbers

$31-9=21$

Combine the fractions

This means addition. Also, since our denominators are not the same value, we have to find the LCM (Least Common Denominator): What do 2 and 4 have in common that they can divide themselves by? 4. We know this because 2 divided by 4 is 2, and 4 divided by 4 is 1, so they can both divide themselves by 4.

$\frac{5}{4}-\frac{1}{2}$