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OLga [1]
2 years ago
13

May i get help on this im sort of doing bad in this subject so thanks!

Mathematics
1 answer:
klasskru [66]2 years ago
8 0

Answer:

1. 500mg

2.A watermelon weighs about 3 (grams /(kilograms) 3.

3. 500 oranges

4. 30 weeks

5. 1500

Step-by-step explanation:

1. Therefore, 0.5 g=0.5*1000=500 mg

2. A watermelon weighs about 3 (grams /(kilograms) 3.

3.Weight of the box- 40 kg

Weight of 1 orange-80

Therefore, no. of total oranges=

40 kg=40000g

Now, 40000÷80

= 500

4. 500g x 2 is 1000 g and is 1kg

105-90 is equal to 15kg

500 x 30 is 15000 g is equal to 15 kg

5. divide by 4 to get the mass of a single bag and then multiply by 1000 to get to grams from kilograms

6/4=1.5

1.5*1000=1500

therefore a single bag of sugar weighs 1500 grams

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David can jog 4 miles in. 75 minutes.what is David’s jogging rate per hour?
weeeeeb [17]

Answer: 3.2 miles

Step-by-step explanation: Trust me bro. 1000% right

6 0
3 years ago
If a graph of y=-4x +2 were changed to a graph of y=-4x+5, how would the y- intercept change?
Dmitry [639]

Answer:

So if y=-4x+2 was changed to y=-4x+5, then the y-intercept would increase by 3.

The y-intercept was (0,2) then it becomes (0,5) in the new line.

Step-by-step explanation:

The slope-intercept form a line is y=mx+b where m is the slope and the y-intercept is b.

Both of these equations given are in this form.

y=-4x+2 when compared to y=mx+b you see that m=-4 and b=2.

Since b=2 then the y-intercept is 2.

y=-4x+5 when compared to y=mx+b you see that m=-4 and b=5.

Since b=5 then the y-intercept is 5.

So if y=-4x+2 was changed to y=-4x+5, then the y-intercept would increase by 3.

8 0
3 years ago
Darin has 5 coins that the total 62%. What are the coins?
Snowcat [4.5K]
Hi there!

There are several possible options.

A main one would be : 10 DIMES and 2 PENNIES

Other ones could be :

2 quarters
1 dime
2 pennies

62 pennies

12 nickels
2 pennies

and more !

Hope this helps !
5 0
3 years ago
A pile of 42 coins worth $4.90, consisting of nickels and quarters. How many nickels are there?
Ymorist [56]

Answer:14

Step-by-step explanation:

A nickel is 5 cents (20% of dollar)

and a quarter is 25 cents (25% of dollar)

We have given a pile of 42 coins worth of $4.90

Let x be the no nickels and

y be the no of quarter

therefore

x+y=42    -----1

\frac{x}{4}+\frac{y}{20}=4.90 ---2

Solving \left ( 1\right )&\left ( 2\right ) we get

x=14 & y=28

Therefore no of nickels is 14 & no of quarters is 28

6 0
3 years ago
What is the probability of choosing a
sladkih [1.3K]

Answer:

Probability of choosing a penny at random is 1/5 or 0.2

Step-by-step explanation:

For many probabilities like this one, you have to add the total of materials or items together, even if they are different colors, shape, coin type, etc.

you have 12 pennies, 19 nickles, 14 dimes, and 15 quarters. This adds up to a total of 60 coins. Twelve of those are pennies.

You have twelve possible pennies to choose at random from a total of 60 in a bag.

So 12/60/ This simplifies to a probability of 1/5. If you divide 1 by 5 than it would be 0.2

The probability of choosing a penny from a bag of coins is 1/5, or 0.2.

Hope this helps

3 0
3 years ago
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