3 years ago

Which of the bar graphs could be used to represent the data shown by the histogram

Mathematics

1 answer:

serg [7]3 years ago

4 0

Answer:

B (red)

Step-by-step explanation:

This is a unimodal histogram since there is only one data set that is most represented. Meaning that the red data set would represent the entire histogram since it's the majority.

Hopefully this helps.

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Ms. Harvey uses 70 ft of fencing to build a fence around a rectangular garden. The area of the garden is 300 square feet. What a

Dahasolnce [82]

20+20+15+15=70
20times 15=300

The dimensions are 20 ft, 15 ft

6 0

3 years ago

Select the correct answer

Elan Coil [88]

3and4 that is it ok

5 0

3 years ago

Form three equations starting with x=1/2

ollegr [7]

Answer:

x + 3 = 7/2

100x = 50

16/x = 24

Step-by-step explanation:

The value of x is 1/2 in the three equations.

The variable x is in the left side of the equations.

7 0

3 years ago

the lengths of the sides of a triangle are shown. 8.73, 12.4, and 10.075. what is the perimeter of the triangle

ElenaW [278]

Answer:

31.205

Step-by-step explanation:

The perimeter is the sum of the side lengths:

8.73 +12.4 +10.075 = 31.205

_____

If you're after an answer that has the appropriate precision (assuming these are measured values), that would be one that is rounded to 1 decimal place: 31.2.

7 0

3 years ago

a quantity of ethanol is cooled from 47.9° C to 12.3°C and releases 3.12 KJ of heat. what is the mass of the ethanol sample?

victus00 [196]

Answer:

35.9 grams

Step-by-step explanation:

We use the formula:

$q=m*C_p*\Delta T$

Where

q is heat released

m is mass

C_p is the constant 2.44

ΔT is change in temperature

We put the info in the formula and solve for m (mass):

$q=m*C_p*\Delta T\\-3.12 = m*2.44(12.3-47.9)\\-3.12*10^3=m*(-86.864)\\m=35.9$

The mass of ethanol is 35.9 grams

8 0

4 years ago