3 years ago

PLS HELP! 20 pts! Antonio said that triangle AFN ≅ triangle TBM by SAS Congruence Theorem. What mistake did he make?

Mathematics

1 answer:

Harrizon [31]3 years ago

6 0

The congruence theorem is always the same

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8 15 27 blank 20 find the blank number

777dan777 [17]

Answer:

the blank number is 23

Step-by-step explanation:

8, 15, 27, x, 20

common ratio, r= T2÷ T1= T3÷ T2

= 15 ÷ 8 =27÷ 15

= 1.8 = 1.8

20 ÷ x = x ÷ 27

( cross multiply,)

x²= 540

x =√540

x = 23.24

x = 23

6 0

4 years ago

Dullco Manufacturing claims that its alkaline batteries last at least 40 hours on average in a certain type of portable CD playe

algol13

Answer:

The value is $p- value = 0.041815$

Step-by-step explanation:

From the question we are told that

The population mean is $\mu = 40 \ hours$

The sample size is $n = 18$

The sample mean is $\= x = 37.8 \ hours$

The standard deviation is $\sigma = 5.4\ hours$

The null hypothesis is $H_o : \mu = \ge 40$

The alternative hypothesis is $H_a : \mu < 40 \ hour s$

Generally the test statistic is mathematically evaluated as

$t= \frac{\= x - \mu}{ \frac{\sigma}{ \sqrt{n} } }$

$t= \frac{37.8 - 40}{ \frac{5.4}{ \sqrt{18 } }$

$t= -1.73$

From the z - table the p-value is obtained and the value is

$p- value = P(Z < -1.73)$

$p- value = 0.041815$

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3 years ago

Heather's monthly earnings are $3,387. She pays $400 in federal income tax, $260 in state income tax, and $259 in other taxes. W

tatuchka [14]

Answer:

$2468 left

Step-by-step explanation:

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4 years ago

A box contains 12 ounces of spaghetti. A serving size is 3/4 ounces.

mario62 [17]

Answer:

16 servings

Step-by-step explanation:

12 divided by 3/4

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3 years ago

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Nut B fits on Bolt B. Nut A fits on Bolt C, but does not fit on Bolt A. Bolts B and A are exactly the same. Given the scenario,

Colt1911 [192]

Nut A does not fit on Bolt A.

Bolt A is the exact same as Bolt B.

So it follows that Nut A will not fit Bolt B.

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3 years ago

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