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laila [671]
3 years ago
9

DO NOT BE DISCOURAGED IF YOU SEE AN ANSWER! PLEASE HELP ASAP WILL GIVE BRAINLIEST AND THANKS AND 5 STAR RATING TO THE CORRECT AN

SWERER, IN ORDER TO GET ALL 98 POINTS YOU MUST ANSWER ALL 5 QUESTIONS AND CORRECTLY THANK YOU!

Mathematics
1 answer:
nignag [31]3 years ago
8 0

See the attached picture:

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ABC is not an acute triangle what is the first step of indirectly proving this statement
dmitriy555 [2]

Answer:

Assume ΔABC is an acute triangle.

Step-by-step explanation:

Given the triangle ABC.

We have to tell the first step of indirect proving ΔABC is not an acute triangle.

An indirect proof, also known a proof by contradiction. When we use indirect proof method, we assume the opposite of our theory to be true and then by applying our assumed theory we contradict the given statement which proves our supposition is wrong. In other words, we assume our theory is false.

Hence, our first step is to

Assume ΔABC is an acute triangle.

Third option is correct.

5 0
3 years ago
(c + 3) - 2c - (1 - 3c) = 2 what is this answer to this problem?
Eddi Din [679]
(c+3)-2c-(1-3c)=2
c+3-2c-1+3c=2
2c+2=2
2c=0
c=0
6 0
3 years ago
Radical functions are the inverse functions of exponential functions. <br> A.true <br> B.false
dybincka [34]
Logarithmic functions are the inverses of exponential functions. The inverse of the exponential function y = ax is x = ay. The logarithmic function y = logax is defined to be equivalent to the exponential equation x = ay. y = logax only under the following conditions: x = ay, a > 0, and a≠1.
4 0
2 years ago
2.
Jet001 [13]

Answer:

119.2

Step-by-step explanation:

Given the following :

Mean (m) = 100 years

Standard deviation (sd) = 15 years

closest to the age of a Galápagos Islands giant tortoise at the 90th percentile of the

distribution?

Obtain the Zscore for 90th percentile (0.90) on the z table = 1.28

Zscore = (X - mean) / standard deviation

1.28 = (X - 100) / 15

1.28 × 15 = X - 100

19.2 = X - 100

19.2 + 100 = X

X = 119.2

3 0
3 years ago
What s the length of the arc for the half circle
Andrej [43]

Answer`Step-by-step explanation:

The length of an arc depends on the radius of a circle and the central angle Θ. We know that for the angle equal to 360 degrees (2π), the arc length is equal to circumference. Hence, as the proportion between angle and arc length is constant, we can say that:

Hope that help, at least a bit.

3 0
3 years ago
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