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Lera25 [3.4K]
3 years ago
7

Why Aren’t the expressions 5+5+5+ X plus X plus X plus X equivalent

Mathematics
1 answer:
WITCHER [35]3 years ago
6 0
I don’t know what you mean. Are you talking about the fact that x is an unknown number or the fact that there are 4 “terms” in one and 3 in the other?
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A standard number cube with the numbers 1 through 6 is rolled. Find the probability of rolling a number greater than 2
Leona [35]
There is a 2/3 probability. Why? Well, the cube is numbered 1-6 so that is 6 numbers. Out of 6, there are 4 numbers greater than 2. Because of this, there is a 4/6 probability that a number greater than 2 will be rolled. 4/6 reduces to 2/3. As a percentage and decimal, the probability would be 66.66666666% or 0.66666666666 (repeating).
3 0
2 years ago
Solve the literal equation for y, 2x-2y=5
sukhopar [10]

Answer:

y=-5/2+x

Step-by-step explanation:

4 0
4 years ago
How do you do 2y,-4y by elimination?
AysviL [449]

2y-4y=-2y

That is the answer

6 0
3 years ago
Read 2 more answers
A triangle with an area of 45.5 cm2 has a base
FromTheMoon [43]

If you know the base and area of the triangle, you can divide the base by 2, then divide that by the area to find the height

Step 1. 14 ÷ 2 = 7

Step 2. 45.5 ÷ 7 = 6.5

Height = 6.5 cm

3 0
3 years ago
Work out the weekly mean number of 50 kg bags of flour used in these 5 weeks
bogdanovich [222]

Answer:

Weekly Mean Number of 50-kg bags =10.8 bags

Step-by-step explanation:

In Week 1, Kim uses 7  50kg bags of flour

In Week 2, Kim uses 14  50kg bags of flour

In Week 3, Kim uses 8 X 50kg bags of flour

In Week 4, Kim uses 13 X 50kg bags of flour

In Week 5, Kim will make 2400 loaves.

Each of these loaves will need 250g of flour.

Total Mass of flour that will be used =2400 X 250=600,000 grams

600,000$ grams=600,000 \div 1000$ kg =600kg\\Number of 50-kg bags =600 \div$ 50 =12 bags

In Week 5, Kim will use 12 bags.

Therefore:

Weekly Mean number of 50kg bags of flour used in these 5 weeks.

=\dfrac{7+14+8+13+12}{5}\\\\ =\dfrac{54}{5}\\\\=10.8 \\ \approx 11$ bags

4 0
3 years ago
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