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kotegsom [21]
3 years ago
7

Which statement is true about the angle bisectors of a triangle?

Mathematics
1 answer:
-BARSIC- [3]3 years ago
8 0

Answer:

i think its uhhhh.... I think its a carrot

Step-by-step explanation: 5 star rating if you think beetle juice is the goat

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Please help me with this question.
mixas84 [53]

Answer:

B

Step-by-step explanation:

In a triangle, the sum of any two sides must be bigger than the third.

For the first one, 10+20=30 is not greater than 30, so this is not correct.

For B, 122+137 = 259 > 257, 257+137>122  , and 257 + 122 > 137. This works

For C, 8.6 + 2.7 = 11.3 < 12.2, so this does not work

For D, 1/6 + 1/5 = 5/(6*5) + 6/(6*5) = 5/30 + 6/30 = 11/30 < 1/2 = 15/30, so this does not work

7 0
3 years ago
Six people can be seated at a table. If two tables are put
Lerok [7]
Well, that would be 4 tables to fit 20 people but would not be enough for 2 more people so I would say 5 tables total.

-Hope this helps.
6 0
3 years ago
In a recent contest, the mean score was 210 and the standard deviation was 25. a) Find the z-score of John who scored 190 b) Fin
denpristay [2]

Answer:

a) Z = -0.8

b) Z = 2.4

c) Mary's score was 241.25.

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 210, \sigma = 25

a) Find the z-score of John who scored 190

Z = \frac{X - \mu}{\sigma}

Z = \frac{190 - 210}{25}

Z = -0.8

b) Find the z-score of Bill who scored 270

Z = \frac{X - \mu}{\sigma}

Z = \frac{270 - 210}{25}

Z = 2.4

c) If Mary had a score of 1.25, what was Mary’s score?

Z = \frac{X - \mu}{\sigma}

1.25 = \frac{X - 210}{25}

X - 210 = 25*1.25

X = 241.25

Mary's score was 241.25.

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3 years ago
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You are asked to run two wires. The total length of the wires is 16m. One of the wires needs
Elenna [48]
One wire is 8.5m, and the other wire is 7.5m.
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3 years ago
Select all that apply, 7th grade math
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All except 0. The inequality is saying that x must be less than or equal to 3 which all answers except 0 are.
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