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svp [43]
2 years ago
14

Solve the following exponential equation:5^x=2 e^x=10​

Mathematics
1 answer:
olya-2409 [2.1K]2 years ago
3 0

Number 1.

5^x=2, first we will take the log of both of these numbers getting us,

x=\frac{log(2)}{log(5)}, which then gives us that x=0.4306777777....

Number 2

e^x=10, solve for our exponent, 2.718282^x=10, use the logarithmic formula, and we get,

x=\frac{log(10)}{log(2.718282)}, which then we get that x=2.302585

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How many triangles are there that satisfy the conditions a =13, b =9, A = 62°?
8_murik_8 [283]

Answer:

Step-by-step explanation:

Alright, lets get started.

Using sin Law,

\frac{sinA}{a}=\frac{sinB}{b}

Plugging the value of a, b and angle A

\frac{sin62}{13}=\frac{sinB}{9}

sinB=\frac{9*sin62}{13}

sinB=\frac{9*0.8829}{13}

sinB=0.61127

taking sin inverse on both sides

B=sin^{-1}(0.61127) =37.68

The may be another value of B that will called B' = 180-37.68=142.32

We will not consider this B' value because the um of angle B' and A will exceeds 180 degree (142.32+62=204.32)

Thats why only one triangle is possible.   :   Answer

Hope it will help :)

5 0
3 years ago
Sara sold hotdogs and drinks at the soccer game.
Anarel [89]

Answer:

$11

Step-by-step explanation:

Set up the system of equations

18x + 9y = 45

20x + 12y = 52

Let's try to get y on one side for the first equation.

9y=45-18x

y=5-2x

Now substitute it into the second equation.

20x + 12(5-2x) = 52

20x + 60 - 24x = 52

-4x = -8

x = 2

Now solve for y using the first equation.

18(2) + 9y = 45

36 + 9y = 45

9y = 9

y = 1

Now that we know x and y we can solve for the price of 4 hot dogs and 3 drinks.

4(2) + 3(1) = z

8 + 3 = z

11 = z

That means that the price is 11 dollars.

7 0
3 years ago
Hanukkah is an eight day Jewish cele bration which is observed in November or December, as determined by the Hebrew calendar. On
tatiyna

Answer:

30 feet

Step-by-step explanation:

Interesting question.

  • 1 cubit = 18 inches
  • 20 cubits = x
  • 1/20 = 18/x       Cross multiply
  • x = 20 * 18
  • x = 360 inches.

The maximum height is 360 inches.

  • 1 foot = 12 inches
  • x feet = 360 inches   Cross multiply
  • 12x = 360 * 1
  • 12x/12 = 360/12
  • x = 30

The maximum height reached was 30 feet.


6 0
3 years ago
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Answer:

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8 0
2 years ago
Read 2 more answers
A pair of pants was 40% off the original price. The sale resulted in a $36 discount. What was the original price before the sale
Mama L [17]

Answer:

$90.00

Step-by-step explanation:

40% of What is 36?

40/4 = 10 (10%)

36/4 = 9 (9 is 10% of the answer we are looking for)

Multiply both answers (9 and 10) by each other.

You get 90

8 0
3 years ago
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