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SashulF [63]
2 years ago
12

Select all ratios that are in their simplest form. A 11:12 B 4:28 C 7:14 D 26:3 E 11:29

Mathematics
1 answer:
kipiarov [429]2 years ago
8 0

Answer:

this is easy. all you have to do is find a common numeral between each number in each ratio. a ratio is in its simplest form when the two numbers have no numeral in common (for example A being 11:12). B and C both could be simplified because 4 and 28 can both be divided by 4 and 7 and 14 in answer C are both divisible by 7. answers D and E, however, are both already simplified like answer A.

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B. Lance is 39 years old. Ted is 22 years old.
Rudiy27

Answer:

28 years

Step-by-step explanation:

Sum of the years of Lance , Ted, Rosalinda = 39 + 22 +45 = 106 year

Sum of the years of Lance , Ted, Rosalinda & Erik = 33.5*4 = 134.0 year

Age of Erik = 134 - 106 = 28 years

8 0
3 years ago
Catie is starting a babysitting business. She spends $26 on flyers for advertising. She has an initial fee of $5 and then $3 per
Olin [163]
26+5= 31 correct?
So lets make a chart(ish lol)

Hours         $$$
1                     3
2                     6
3                     9
4                    12
5                      15 
6                      18
7                      21
8                      24
9                      27 
10                     30
11                       33
To get atleast 31 dollars you need to work 11 hours.
If you want fractions they need to work 10 1/3 hours
Hope this helped!

6 0
3 years ago
Read 2 more answers
Which of the following pieces are congruent?
posledela

Answer:

The horizontal segment of E and vertical segments of M.

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
In the rectangle ABDF above, C and E are midpoints of sides line ED and line DF, respectively, what fraction of the areas of the
aivan3 [116]

Answer:

Is shaded 5/8 of the area of the rectangle

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

The area of triangle ABC represent 1/4 of the total area

The area of triangle CDE represent 1/8 of the total area

The shaded region is composed by one triangle equal to triangle ABC and three triangles equal to triangle CDE

so

The area of the shaded region is equal to

(1/4)(1)+(1/8)(3)=(1/4)+(3/8)=(2/8)+(3/8)=5/8

therefore

Is shaded 5/8 of the area of the rectangle

8 0
3 years ago
What percentage of one hour is fifteen minutes?
Scilla [17]

 1 hour = 60 minutes

15 minutes = (60/15) = 1/4th of an hour

1/4 = 0,25

<span>15 minutes is 25% of an hour</span>

8 0
3 years ago
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