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Greeley [361]
2 years ago
13

Find the value of x.

Mathematics
2 answers:
FinnZ [79.3K]2 years ago
7 0

Answer:

x = 5

Step-by-step explanation:

14x + 22x = 180

36x = 180

x = 5

Sladkaya [172]2 years ago
4 0

Answer:

\huge\boxed{⎆Answer\hookrightarrow}

The 2 angles in the given picture form supplementary angles. So, together they'll add up to <u>180°.</u>

<u>14x + 22x = 180 \\ 36x = 180 \\ x =  \frac{180}{36}  \\ x = 5</u>

<u>⇻</u><u> </u><u>The </u><u>value </u><u>of </u><u>X </u><u>is </u><u>5</u><u>.</u>

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A person creates a game in which a person pays $5.00 to play. Then, they draw a single card from a standard shuffled deck of car
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Answer:

Step-by-step explanation:

The expected value is the probability of an event multiplied by the number of times the event happens. And if there is more than 1 event, the expected value is the sum of those.

There are 52 cards in a deck.

There are 12 face cards in a deck. (gain 10)

There are 4 ace in a deck. (gain 20)

Any other card is 36 of them. (lose 5)

The probability of face card is 12/52

The probability of ace is 4/52

The probability of any other card is 36/52

Thus the expected values is:

(12/52)(10) + (4/52)(20) + (36/52)(-5) = $0.38

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2 years ago
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Write an equation to represent the following situation. Justin wants to earn 500 minutes on Khan Academy He currently has 120 mi
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Answer:

500=120+60

Variable would either be M or D For 60

Step-by-step explanation:


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3 years ago
Claire is going to invest $2,600 and leave it in an account for 18 years. Assuming the interest is compounded continuously, what
Bogdan [553]

Answer:

Rate of interest r = 2.83 % (Approx.)

Step-by-step explanation:

Given:

Amount invested p = $2,600

Amount get A = $4,300

Number of year n = 18

Find:

Rate of interest r

Computation:

A = p(1+r)ⁿ

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I’m pretty sure the answer is (2,1)
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Construct 3 linear equation starting with qiven solution z = 1/3
Andreyy89

Answer:

(a)9z+2=5

(b)21z-11=-4

(c)4z=2-2z

Step-by-step explanation:

We are required to construct 3 linear equations starting with the given solution z = 1/3.

<u>Equation 1</u>

<u />z=\frac{1}{3}<u />

Multiply both sides by 9

9z=\frac{1}{3}\times 9\\9z=3

Rewrite 3 as 5-2

9z=5-2

Add 2 to both sides

Our first equation is: 9z+2=5

<u>Equation 2</u>

<u />z=\frac{1}{3}<u />

Multiply both sides by 21

21z=\frac{1}{3}\times 21\\21z=7

Rewrite 7 as 11-4

21z=11-4

Subtract 11 from both sides

Our second equation is: 21z-11=-4

<u>Equation 3</u>

<u />z=\frac{1}{3}<u />

Multiply both sides by 6

6z=\frac{1}{3}\times 6\\6z=2

Rewrite 6z as 4z+2z

4z+2z=2

Subtract 2z from both sides

Our third equation is: 4z=2-2z

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3 years ago
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