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3 years ago

URGENT! What is the value of x? Enter your answer in the box.

Mathematics

2 answers:

Roman55 [17]3 years ago

7 0

The sum of angles in a triangle is 180 degree

we are given with two angle and asked to find the third angle x

First angle + second angle + third angle = 180 degree

Angle A + angle B + Angle C = 180

angle A = x

angle B = 75

angle C = 50

x + 75 + 50 = 180

x + 125 = 180

Subtract 125 from both sides

x= 55 degree

So value of x= 55 degree

tiny-mole [99]3 years ago

6 0

The calue of x is 55

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3.9x - 0.7 = 8.66, so what does x equal?

scoundrel [369]

Answer:

x=2.4

Step-by-step explanation:

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2 years ago

Read 2 more answers

There were 63 equal piles of plantain fruit put together and 7 single fruits. They were divided evenly among 23 travelers. What

antiseptic1488 [7]

Answer:

There are 28 fruits in each pile.

Step-by-step explanation:

We are given the following in the question:

Let x denote the number of fruits in each pile and y denote the number of fruits that every traveler receive.

Consider the diophantine equation:

$63x + 7 = 23y\\63x-23y = -7$

We obtain the greatest common divisor of (63,-23).

The greatest common divisor f 63 and -23 is 1.

Therefore, there exist $\alpha,\beta$ such that

$-23\alpha+63\beta=1$

By applying extended Euclidean Algorithm, we have,

$1 = (1\times 6)+(-1\times 5)\\1 = (1\times 17)+(3\times 6)\\1 = (3\times 23)+(-4\times 17)\\1 = (-4\times 40)+(7\times 23)\\1 = (7\times 63)+(-11\times 40)\\1 = (-11\times -23)+(-4\times 63)$

$1 = (-11\times -23) + (-4\times 63)$

Multiplying -7 on both sides, we get,

$-7 = (77\times -23) + 28\times 63)$

Thus, we get,

$x = 28\\y=77$

Thus, there are 28 fruits in each pile.

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3 years ago

What is the measure of ∠M?<br> a. 53°<br> b. 65°<br> c. 81°<br> d. 98°

Rom4ik [11]

Hopefully that I can Help ... A.53

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2 years ago

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Marat540 [252]

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3 years ago

Please include work!

geniusboy [140]

Answer:

x = ± 4

y = - 2

Step-by-step explanation:

y = 0.5x² - 10 ------------------------(I)

y = -x² + 14 ------------------------(II)

Substitute the y value in equation (II)

0.5x² - 10 = -x² + 14 {Add x² to both sides}

0.5x² + x² -10 = 14 {combine like terms}

1.5x² - 10 = 14 {Add 10 to both sides}

1.5x² = 14 + 10

1.5x² = 24 {Divide both sides by 1.5}

1.5x²/1.5 = 24/1.5

x² = 16

x = ±4

Substitute x = 4 in (I)

y = 0.5 * 4² - 10

= 0.5*16 - 10

= 8- 10

y = -2

Substitute x = -4 in (I)

y = 0.5 * (-4)² - 10

= 0.5*16 - 10

= 8- 10

y = -2

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3 years ago