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kolbaska11 [484]
3 years ago
14

*PLEASE HELP...20 POINTS**

Mathematics
2 answers:
antiseptic1488 [7]3 years ago
8 0
HERES A REAL ANSWER
melisa1 [442]3 years ago
4 0
Abd/ ACD WILL HELP YOU THRIOUGH THE PROBLEM 
You might be interested in
Please answer quickly!!!
Mademuasel [1]

Answer:

1. 64cm² , 2. 240yd² , 3.≈220.5cm² , 4.≈193.4m² , 5. 38.6ft² , 6. ≈78.1yd² , 7. ≈120.7

Step-by-step explanation:

1. A=12x4.5+2x5 , 2. A=24x8+0.5x12x8 3. A=0.5x16x15+0.5x8²π ,4. A=7x15+0.5(15/2)² 12 ,5. A=3.6(16/2)+0.5x7x2.8 ,6. A=8(16/2)+0.5x9π ,7. A=(8/4)x5²xcot(180/8)

4 0
3 years ago
A customer’s total cell phone bill this month is $50.50. The company charges a monthly fee of $18 plus five cents for each call.
astra-53 [7]
650 calls

your equation would be n=50.50-18/.05
                                      n=32.5/.05
                                      n= 650
5 0
3 years ago
Which description of the graph of the linear equality y > 3x - 8 is correct?
Alexxx [7]

Answer:

Option The graph will be a dashed line with a y-intercept of negative eight and a slope of three. The graph will be shaded above

the line

Step-by-step explanation:

we have

y>3x-8

The solution of the inequality is the shaded area above the dashed line The equation of the dashed line is y=3x-8

The slope of the dashed line is positive m=3

The y-intercept of the dashed line is -8

see the attached figure to better understand the problem

4 0
3 years ago
Read 2 more answers
19. There were 20 drinks in a cooler.
ella [17]

For this case we have that the complete question is:

There were 20 drinks in a cooler. Joey drank 15% of the drinks. Sandra drank 1/5 of the drinks. Hannah drank 1/4 of the drinks. Tammy drank 30% of the drinks. How many drinks are left in the cooler? a 0 b 2 c 5 d 9

We propose a rule of three:

20 ---------> 100%

x ------------> 15%

Where the variable "x" represents the amount of drinks equivalent to 15%.

x = \frac {15 * 20} {100}\\x = 3

So, Joey drank 3 drinks.

On the other hand, we have that Sandra drank \frac {1} {5}of the drinks:

20 * \frac {1} {5} = \frac {20} {5} = 4

Thus, Sandra drank 4 drinks.

In addition, Hannah drank\frac {1} {4} of the drinks:

20 * \frac {1} {4} = 5

So Hannah drank 5 drinks.

Finally, Tammy drank 30% of the drinks:

20 ---------> 100%

y ------------> 30%

Where the variable "y" represents the amount of drinks equivalent to 30%.

y = \frac {30 * 20} {100}\\y = 6

So Tammy drank 6 drinks.

Adding up we have:

3 + 4 + 5 + 6 = 18

So: 20-18=2

Thus, 2 drinks remain in the refrigerator.

Answer:

Option B

5 0
3 years ago
A projectile is fired at 657 mi/hr. how fast is that in meters per second? use the conversion factor 1 mile = 1610 m. report you
jeka94

It is given in the question that

A projectile is fired at 657 mi/hr. how fast is that in meters per second? use the conversion factor 1 mile = 1610 m.

So we need to convert miles per hour to meters per second.

And it is given that 1 mile  equals to 1610 meters and 1 hour equal to 3600 seconds.

So we will get

657mi/hour = \frac{657*1610}{3600} m/seconds = 293.825m/s

8 0
3 years ago
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