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mariarad [96]
3 years ago
5

Please help need it for school and need 20 characters which is like really but pls help solve

Mathematics
1 answer:
vampirchik [111]3 years ago
3 0
a^{log_a(b)}=b also
ln=log_e



e^{2x-3}=11
take the ln of both sides
2x-3=ln(11)
add 3 to both sides
2x=3+ln(11)
dividie both sides by 2 or times 1/2
x=1.5+0.5ln(11) or x= \frac{3}{2}+ln \sqrt{11}
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Help now plz plz help me
larisa [96]
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18300000 \div 65758 = 278.3
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4 0
3 years ago
Evaluate the expressions when x=1.8 and y=4
valina [46]

Answer:

1. 21.6

2. 54

3.16.22

Step-by-step explanation:

1. 3(1.8)(4)

2. 7.5(1.8)(4)

3. (1.4)(4) + (5.9)(1.8)

6 0
3 years ago
Read 2 more answers
What the answer and how did you get it
Olegator [25]

Let x = the cost of the student discount card.

x + the cost of the passes = 29.50

x + 15(1.50) = 29.50

x + 22.50 = 29.50

Subtract 22.50 on both sides to isolate the variable x.

x = 29.50 - 22.50

x = 7

The student discount card is $7.

7 0
4 years ago
Write an expression so that the product of a whole number and a decimal is.0.28
Butoxors [25]

Let

x-------> the whole number

y------> the decimal number

we know that

x*y=0.28 ------> equation 1

assume the value of x and then calculate the value of y

Let

x=280

solve for y in the equation 1

y= \frac{0.28}{x}

substitute the value of x

y= \frac{0.28}{280}

y=0.001

therefore

<u>the expression is equal to</u>

280*0.001=0.28

5 0
4 years ago
Cait went apple picking with 3 friends. The 4 of them picked 17.4 lbs of
spayn [35]

Answer:

4.35 pounds each gets

Step-by-step explanation:

if you divide 17.4 by 4 you get 4.35 pound per each of the 4 people get

4 0
3 years ago
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