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3 years ago

(3х + 4) - (х + 2) =

Mathematics

2 answers:

almond37 [142]3 years ago

8 0

Answer:

2x + 2 is the answer.....

Rina8888 [55]3 years ago

4 0

The answer to (3x + 4) - (x + 2) is

2(x + 3).

(3x + 4) - (x + 2) = 2(x+3)

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I believe it is B, as C and D both are based on the number of books sold while the only variable to determine the amount of money she earns are the additional doors she knocks on.

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tony's bike tire has a radius of 18 inches.what is the distance covered by the tire in inches after 5 rotations?

tekilochka [14]

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Step-by-step explanation:

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3 years ago

Given triangle ABC, A=105°, a=10cm, b=7cm, find B,C and c.

Whitepunk [10]

The value of the side c will be 5.56 cm and angle C is 32.49° and angle B is 42.51°.

<h3>What is law of cosine?</h3>

Let there is a triangle ABC such that |AB| = a units, |AC| = b units, and |BC| = c units and the internal angle A is of θ degrees, then we have:

a² + b² – 2ab cos C = c²

Given triangle ABC, A = 105°, a = 10 cm, b = 7 cm.

Then we have

7² + c² – (2 · 7 · c) cos 105° = 10²

c² + 3.62c – 51 = 0

On solving, we have

c = 5.56

Then the angle C will be

10² + 7² – 2 · 7 · 10 · cos C = 5.56²

149 – 140 cos C = 30.91

cos C = 0.8435

C = 32.49°

We know that

∠A + ∠B + ∠C = 180°

105° + ∠B + 32.49° = 180°

∠B = 42.51°

Learn more about law of cosines here:

brainly.com/question/17289163

#SPJ1

4 0

2 years ago

The population of the African country of Madagascar in 2018 is about 26 million. The estimated population of Madagascar is given

MrRissso [65]

Answer:

The current population of Madagascar is 28,354,778 as of Thursday, June 10, 2021, based on Worldometer elaboration of the latest United Nations data.

Madagascar 2020 population is estimated at 27,691,018 people at mid year according to UN data.

Madagascar population is equivalent to 0.36% of the total world population.

Madagascar ranks number 51 in the list of countries (and dependencies) by population.

The population density in Madagascar is 48 per Km2 (123 people per mi2).

The total land area is 581,795 Km2 (224,632 sq. miles)

38.5 % of the population is urban (10,670,252 people in 2020)

The median age in Madagascar is 19.6 years.

Step-by-step explanation: i dont know man

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2 years ago

N/45=1/15<br> a. n= 1/3<br> b. n=4<br> c. n=675<br> d. n=3

jek_recluse [69]

Answer:

n=3

Step-by-step explanation:

n/45=1/45

cross multiplying

15n=45

n=45/15

n=3

5 0

3 years ago

(3х + 4) - (х + 2) =​

(3х + 4) - (х + 2) =