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lakkis [162]
3 years ago
10

Tell whether the two rates form a proportion

Mathematics
2 answers:
rusak2 [61]3 years ago
5 0

Answer:

1. Yes

2. Yes

3. Yes

4. No

Step-by-step explanation:

Natali [406]3 years ago
3 0

Answer:

1.) 75 miles in 3 hours; 140 miles in 4 hours (no)

2.) 12 gallons in 4 minutes; 21 gallons in 7 minutes (yes)

3.) 150 steps in 50 feet; 72 steps in 24 feet (yes)

4.) 3 rotations in 675 days; 2 rotations in 730 days (no)

Step-by-step explanation:

when in fraction form you cross multiply

12/4=21/7

21*4=12*7

84=84

150/50=72/24

150*24= 50*72

3,600=3,600

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Please help x - (-16) = - 12 x = ______
Illusion [34]
The first step for solving this expression is to know that when there is a "-" sign in front of the parenthesis,, then you must change the sign of each term in the parenthesis.
x + 16 = -12
Now move the constant to the right side and then change its sign.
x = -12 - 16
Lastly,, calculate the difference on the right side of the equation to find your final answer.
x = -28
Let me know if you have any further questions.
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8 0
4 years ago
Please help I don't understand!
Citrus2011 [14]

Answer:

48

Step-by-step explanation:

Here, the sides are in proportion.

⇒ \frac{24}{k} = \frac{32}{64}

⇒ \frac{24}{k} = \frac{1}{2}

⇒ k = 24 × 2

⇒ k = 48

5 0
2 years ago
A coin is tossed 10 times, and lands on tails 70% of the time. Which statement is true?
devlian [24]

Answer: If Answer "B" is supposed to say, "The coin landed on tails 7 out of 10 times" then thats the answer.

Step-by-step explanation:

If the coin landed on tails 70% of the time, then the answer is B

8 0
3 years ago
CAN someone help me with this pls<br> WILL GIVE BRAINLIEST
Leya [2.2K]

Answer:

15.50 or C

Step-by-step explanation:

3 0
3 years ago
A pack of 24 cans of coke cost £6 calculate the cost of 5 cans
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