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3 years ago

True or false can a triangle be formed with sides 4 inches, 5inches, and 8 inches

Mathematics

2 answers:

Alex3 years ago

7 0

Yes, 4 + 5 > 8
if the two smallest sides are greater than the longest side, then it's possible

pychu [463]3 years ago

4 0

Yes but the triangles will be scalene

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your brother 1/4 yor age.your sister is 8 years older than your brother.your sister is 12 years old.write and solve tan equation

nekit [7.7K]

Let A be your age, B be the age of your brother and S be the age of your sister.

Since your brother is 1/4 your age, then:

$B=\frac{1}{4}A$

Since your sister is 8 years older than your brother, then:

$S=B+8$

Since your sister is 12 years old, then:

$S=12$

Use the second equation to find your brother's age by plugging in S=12:

$\begin{gathered} S=B+8 \\ \Rightarrow12=B+8 \\ \Rightarrow B=12-8 \\ \therefore B=4 \end{gathered}$

Plug in B=4 in the first equation to find your age:

$\begin{gathered} \frac{1}{4}A=B \\ \Rightarrow\frac{1}{4}A=4 \\ \Rightarrow A=4\times4\rbrack \\ \therefore A=16 \end{gathered}$

Therefore, you are 16 years old.

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1 year ago

Find the solution(s) to the system of equations. Select all that apply. y= x2 - 2x-3 y=x-3

Sergio039 [100]

Answer:

B (3, 0)

D (0, -3)

Step-by-step explanation:

HOPE IT HELPS YOU IN YOUR LEARNING PROCESS.

6 0

3 years ago

2 1/9 - 7/6 must show work

LuckyWell [14K]

2 1/9 as improper fraction= 19/9

19/9(4/4)=76/36

7/6(6/6)= 42/36

76/36-42/36=34/36

34/36=17/18

The answer is 17/18.

Hope this helps!

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3 years ago

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Answer:

0.80 for 0.5 mile

0.80/0.5 for 1 mile

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3 years ago

Bus going at 30 mph for 7 hours

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Well, not specific. But after 7 hour the bus will be 210mi away

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4 years ago

Read 2 more answers