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3 years ago

Please help I will give you brainliest

Mathematics

1 answer:

shusha [124]3 years ago

4 0

Answer:

No, it is not a right triangle.

Step-by-step explanation:

First lets define a right triangle. A right triangle is a triangle with one side that equals 90 degrees. When we look at 13, 64, and 86, we can see there are no sides that equal 90 degrees.

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A dentist is making identical dental care bags for patients using 56 tubes of toothpaste, 112 packets of floss, and 85 toothbrus

marin [14]

Answer : Greatest number of identical dental care bags the dentist can make with the least items leftover is 1.

Number of bags will be 2,4,3 respectively.

Explanation:

Number of tubes of toothpaste = 56

Number of packets of floss = 112

Number of toothbrushes = 85

So, Greatest number of identical dental care bags the dentist can make with the least amount of items leftover from toothbrush = H.C.F of 56,112, 85= 1 ( ∵ as they are coprime to each other )

Since there is no common factor among 56,112,85 but there is common factor between 56 and 112 i.e. 56 remaining bags from toothbrushes will be 85-56=29 .

So we consider 28 ,

Now, 56 can be written as 28×2

112 can be written as 28×4 and

84 can be written as 28× 3

So, there can be 28 bags in which all the three materials can be present and there is no leftover from toothpaste and floss but there is leftover from toothbrushes only as we consider 84 instead of 85 to get divisible by 28 so we get the common factor easily.

so, there will be 2 two bags for toothpastes and 4 bags for floss and 3 bags for toothbrushes.

8 0

3 years ago

25 POINTS: In 1960, 21.5% of U.S. households did not have a telephone. This statistic decreased by 75.8% between 1960 and 1990.

dem82 [27]

Answer: 94.8 % (approx)

Step-by-step explanation:

Let the total household in the U.S is x,

⇒ The total household who did not have a telephone in 1960 = 21.5 % of x

= 0.215 x

According to the question,

The total household who do not have a telephone in 1990 = 75.8 % less than the household in 1960 who did not have the cell phone,

= (100-75.8)% of 0.215x

= 24.2 % of 0.215x

= 0.05203x,

⇒ The household in 1990 who had a telephone = x - 0.05203x = 0.94797x

Hence, the percentage of household who has a telephone in 1990

= $\frac{0.94797x}{x}\times 100$

= $94.797\%\approx 94.8\%$

⇒ Around 94.8% household had telephone in the US in 1990.

7 0

4 years ago

The sum of the digits of the number 2016 is 9.What is the least number greater than 2016 whose sum of the digits is 9

lozanna [386]

Answer:

2025 if Im not wrong...

Step-by-step explanation:

6 0

4 years ago

A play started at 2:35 P.M after the play was over , Jamie talked to a friend for 15 minutes She left the theatre at 4:10 P.M ho

Pachacha [2.7K]

Answer:

1 hour 20 minutes

Step-by-step explanation:

The play started at 2:35 PM.

After the play, Jamie talked to her friend for 15 mins and then left the theater at 4:10 PM.

She started talking to her friend once the play was over, hence, to find the time she started talking, we subtract 15 mins from 4:10 PM:

H M

04 : 10

- 00 : 15

03 : 55

She started talking around 3:55 PM.

Hence, to find how long the play lasted:

H M

03 : 55

- 02 : 35

01 : 20

Hence, the play lasted for 1 hour 20 minutes.

8 0

3 years ago

2(4x+3)=2(3x+7)+4x what does x =

drek231 [11]

Answer:

x = -4

Step-by-step explanation:

8 0

3 years ago