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goldfiish [28.3K]
3 years ago
8

Please help me plz I need help

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
5 0

Answer:

a) Speed of the cyclist is (2.75/0.4) = <u>6.875 miles per hour</u>.

b) It will take (5.5/6.875) = <u>0.8 hours</u> to travel 5.5 miles at this rate.

  • Remember: Speed=Distance/Time
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At a coffee shop, 70% of the customers buy a coffee drink, 30% buy food, and 20% buy both a coffee drink and food. Are buying fo
Shkiper50 [21]

Yes.

70% of the customers buy a coffee drink and 30% buy food.

The sum of it is 100% already.

So 20% of it just another addition of information since it cannot exceed 100% of percentage (100% + 20% = 120%).

It also contains a subset for both percentage.

8 0
3 years ago
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Rewrite the subtraction number sentence as an addition number sentence.<br>5- (-2)<br>​
GrogVix [38]

Answer:

5 + 2          

Step-by-step explanation:

We have to rewrite the given statement in addition form.

The integers have  property of:

Negative(-)  Negative(-) = Positive(+)

Positive(+)  Positive(+)  = Positive(+)

Positive(+)  Negative(-) = Negative(-)

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The given statement is:

5-(-2)

Since we have two negative together, it is converted into a positive.

Thus, the given statement can be written in positive form as

5 + 2

4 0
3 years ago
Sing acts are 5 min long and comedy acts are 3 min long. The show has 12 acts and last 50 min. How many singing acts and how man
ryzh [129]

Answer

so there are 7 singing acts and 5 comedy acts.

Step-by-step explanation:

Let x= number of singing acts.

Let y= number of comedy acts.

We will take x+y=12 as our first equation, as there are 12 shows in total. We will take 5x+3y=50 as our second equation as there are 50 total minutes, and singing acts are 5 mins and comedy acts are 3 mins.

We solve x+y=12

Y=-x+12

We know y=-x+12, so we will substitute that for the y in the second equation.

1. Substitute 5x+3(-x+12)=50

2. Distribute 5x-3x+36=50

3. Solve 2x+36=50

2x=14

X=7

Now that we have found x, we will find y by substitute the x in 5x+3y=50 with the value, 7, that we found for x.

5(7)+3y=50

35+3y=50

3y=15

Y=5

6 0
3 years ago
A line passing through which of the following pairs of coordinates represents a proportional relationship?
Gelneren [198K]
The answer is D <span>(1, 3) and (2, 6) 1*6=6  3*2=6
</span>
3 0
3 years ago
?? Please help meeeeee!
slavikrds [6]
The engine would need three gallons of gas.
12/4=3
6 0
3 years ago
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