3 years ago

Which statements are true about

Mathematics

1 answer:

soldi70 [24.7K]3 years ago

7 0

This statement is true

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Can someone help me with the equation(s)

Ugo [173]

She purchased 8 sports drinks

{d=p+3

2.25p+1.25d=21.25

d=p+3

p=d - 3

2.25(d - 3) + 1.25d = 21.25

2.25(d-3) + 1.25d=21.25

2.25 - 6.75 + 1.25d = 21.25

3.5d = 21.25+6.75

d=28/3.5

D=8

8 0

2 years ago

What is the solution to this equation?

Tanzania [10]

Answer:

Option (D)

Step-by-step explanation:

Given equation is,

$8e^{2x+1}=4$

Taking natural log on both the sides of the equation,

$\text{ln}(8e^{2x+1})=\text{ln}(4)$

$\text{ln}(2^3)+\text{ln}(e^{2x+1})=\text{ln}(2^2)$

3ln(2) + (2x + 1)[ln(e)] = 2ln(2)

2n(2) - 3ln(2) = (2x + 1)

2x = -ln(2) - 1

$2x=\text{ln}(\frac{1}{2})-1$ [Since, -ln(2) = ln(1) - ln(2) = $\text{ln}(\frac{1}{2})$ ]

$2x=\text{ln(0.5)}-1$

$x=\frac{\text{ln(0.5)-1}}{2}$

Therefore, Option (D) will be the correct option.

3 0

3 years ago

What times itself equals 91,204

Over [174]

302 times itself equals 91,204

8 0

3 years ago

What must be added to ‐213 to get ‐312

kirill [66]

-213+x=-312
x=-312+213
x=-99

5 0

3 years ago

Read 2 more answers

John is working part-time in an office. He works 30 hours per week and earns $600 each week. He currently has $2,700 in a saving

amm1812

He will have 3800 inhis balance i belive

4 0

3 years ago