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sesenic [268]
3 years ago
12

2x - 10 =28 what is x

Mathematics
2 answers:
baherus [9]3 years ago
6 0

Answer:

x = 19

Add 10 to both sides of this equation.

2x − 10 + 10 = 28 + 10

Now, divide both sides by 2.

\frac{2x}{2} = \frac{38}{y\2}

Answer = 19

Brut [27]3 years ago
5 0

Answer:

x = 19

Step-by-step explanation:

2x - 10 = 28

2x = 38

x = 19

Best of Luck!

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Tehara has read 115 pages of a 305 page book she reads 10 pages each day how many days will it take to finish
OlgaM077 [116]
It would take her 20 or 19 days
3 0
3 years ago
Type the correct answer in the box. Round your answer to the hundredth.
sesenic [268]

Answer:

Approximately 22.97 years

Step-by-step explanation:

Use the equation for continuously compounded interest, which uses the exponential base "e":

A=P e^{k*t}

Where P is the principal (initial amount of the deposit - unknown in our case)

A is the accrued value (value accumulated after interest is compounded), in our case it is not a given value but we know that it triples the original deposit (principal) so we write it as: 3 P (three times the principal)

k is the interest rate : 5% which translates into 0.05

and t is the time in the savings account to triple its value (what we need to find)

The formula becomes:

3P = P e^{0.05 * t}

To solve for "t" we divide both sides of the equation by P (notice it cancels P everywhere), and then to solve for the exponent "t" we use the natural logarithm function:

\frac{3P}{P} = \frac{P}{P}  e^{0.05 * t}

3 = e^{0.05 * t}

ln(3) = 0.05 * t

t = \frac{ln(3)}{0.05} = 21.972245... years

6 0
3 years ago
Someone help lol thx ​
emmainna [20.7K]

Answer:

which question? you want me to answer

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
A 20-ounce soda cost $1.20. How much does the soda cost per ounce?​
Andre45 [30]

Answer:

Your answer is 0.06, hun!

Step-by-step explanation:

1.20 divided by 20 = 0.06

Stay happy-Livia

3 0
2 years ago
a square pyramid has a height of 14 cm and a base side length of 7 cm. What is the volume of the pyramid. Show work
Brut [27]

Step-by-step explanation:

The volume of a pyramid or cone is:

V = ⅓ Ah

where A is the area of the base and h is the height.

The pyramid has a square base, so:

A = s²

A = (7 cm)²

A = 49 cm²

The height is 14 cm, so the volume is:

V = ⅓ (49 cm²) (14 cm)

V = 686/3 cm³

V ≈ 228.67 cm³

7 0
3 years ago
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