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4 years ago

Which of the following comparisons is False

Mathematics

1 answer:

Verizon [17]4 years ago

4 0

A graph shows the first comparison is true, and the C temperature is cooler than the F temperature for the remaining comparisons.

The comparison that is FALSE is ...
C.....30 °C is warmer than 90 °F

_____
30 °C = 86 °F
32.2 °C ≈ 90 °F

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The volume of a cone is 735 pi cubic millimeters and the height is 5 millimeters. What is the radius of the cone.

IceJOKER [234]

ANSWER: 21 mm

EXPLANATION: valid

5 0

2 years ago

− 1/2 (−3y+10) how do i work it out?

ehidna [41]

Answer:

3/2y -5

Step-by-step explanation:

− 1/2 (−3y+10)

Distribute

-1/2 * -3y + -1/2(10)

3/2y -5

3 0

3 years ago

Students sold 300 tickets for a playoff game in basketball at school. Some tickets are for students and cost $4.00, while the re

Neko [114]

So baically

reresent
s=number of studne tickes bouthgt
a=number of adult tickets bought

300 tickest sold
total=300
a+s=300

value=rate times number of peple

student value=4s
adults value=10a
total value=1950
4s+10a=1950

a. system of equations are
s+a=300
4s+10a=1950

b. solve

s+a=300
4s+10a=1950

a+s=300
multiply by -4
-4s-4a=-1200
add to other eqaution

4s+10a=1950
-4s-4a=-1200 + 
0s+6a=750

6a=750
divide 6
a=125

subsiute
s+a=300
s+125=300
subtract 125
s=175

a. s+a=300
4s+10a=1950

b. solution above
175 students
125 aduls

7 0

3 years ago

Javier works in a photo lab and needs to make a reduced copy of a photograph that is 8 inches long. The customer wants the copy

Volgvan

So, there's total 8 inches and the customer wants to make 4.5 inches long.
Each time he press the reduce button is 12%. He pressed 5 times, so.

12 x 5 = 60%
60% of the 8 = is 4.8 inches

So the conclusion is that his boss is wrong.

4 0

3 years ago

Which line is perpendicular to a line that has a slope of -5/6?

Anni [7]

Answer:

Line LM

Step-by-step explanation:

First, we need to know what the slope is of a line that would be perpendicular to a line with a slope of -5/6. To find this, we take the reciprocal and multiply it by -1. Therefore, the line we are looking for needs to have a slope of 6/5.

Based on the fact that the slope is positive, we can eliminate lines PQ and JK as they have a negative slope. This leaves us with lines LM and NO.

To find out whether or not it is between LM and NO, you could eyeball it by looking at the graph and simply counting which might be faster if you understand how to do that (rise/run), or you can use the pair of coordinates given to you on each line to calculate for slope.

Line LM - $\frac{-3-3}{-5-0}=\frac{-6}{-5}=\frac{6}{5}$

Line NO - $\frac{-5-0}{-6-0}=\frac{-5}{-6}=\frac{5}{6}$

Based on this, we know that line LM is perpendicular to a line that has a slope of -5/6.

If you need help on calculating slope from two points, I'd suggest watching this video: https://www.brightstorm.com/math/algebra/linear-equations-and-their-graphs/finding-the-slope-of-a-line-from-2-points-problem-1/#:~:text=Use%20the%20slope%20formula%20to,second%20points%20are%20x2%2C%20y2.

7 0

2 years ago