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3 years ago

What is the area of the parallelogram?

Mathematics

1 answer:

Virty [35]3 years ago

5 0

ANSWER

C. 90 square milli

EXPLANATION

The area of a parallelogram is calculated using the formula,

$Area = bh$

The base of the parallelogram is b=18mm.

The height is h=5mm.

We substitute the values into the formula to get,

$Area = 5 \times 18 = 90m {m}^{2}$

The correct answer is C

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if you subtract 12 from my number and multiply the difference by -6 the result is -90 what is my number

Crazy boy [7]

Answer:

n must be 27

Step-by-step explanation:

Let this number be x. Then -6(n - 12) = -90.

Dividing both sides by -6 yields n - 12 = 15.

Add 12 to both sides.

Then n must be 27.

Check: subtract 12 from 27; this yields 15. Now multiply this result by -6. The result is -90, which was expected.

3 0

3 years ago

Tell whether each ordered pair is a solution of 3x-5y=15.

galben [10]

D.- (-5,-6) is the correct answer

4 0

4 years ago

The function below represents the annual interest Alexander earns on a savings account. Identify the term that represents the am

lisabon 2012 [21]

Answer:

Option 4

The term that represents the amount of time that the money is accruing interest is 'x'.

Step-by-step explanation:

Given : The function below represents the annual interest Alexander earns on a savings account.

$f(x)=500(1+0.02)^x$

To find : Identify the term that represents the amount of time that the money is accruing interest ?

Solution :

The general annual interest formula is $A=P(1+r)^t$

Where, A is the amount

P is the principal

r is the interest rate

t is the time

The annual interest Alexander earns on a savings account is

$f(x)=500(1+0.02)^x$

Comparing with general formula,

t=x

The term that represents the amount of time that the money is accruing interest is 'x'.

Therefore, Option 4 is correct.

4 0

4 years ago

Read 2 more answers

Element X decays radioactively with a half-life of eight minutes. If there are 800 g of element X, how long, to the nearest 10th

Harman [31]

Answer: 41.5 min

Step-by-step explanation:

This problem can be solved with the Radioactive Half Life Formula:

$A=A_{o}.2^{\frac{-t}{h}}$ (1)

Where:

$A=22 g$ is the final amount of the radioactive element

$A_{o}=800 g$ is the initial amount of the radioactive element

$t$ is the time elapsed

$h=8 min$ is the half life of the radioactive element

So, we need to substitute the given values and find $t$ from (1):

$22 g=(800 g) 2^{\frac{-t}{8 min}}$ (2)

$\frac{22 g}{800 g}=2^{\frac{-t}{8 min}}$ (3)

$\frac{11}{400}=2^{\frac{-t}{8 min}}$ (4)

Applying natural logarithm in both sides:

$ln(\frac{11}{400})=ln(2^{\frac{-t}{8 min}})$ (5)

$-3.593=-\frac{t}{8 min}ln(2)$ (6)

Clearing $t$ :

$t=41.46 min \approx 41.5 min$ This is the time elapsed

7 0

3 years ago

12p < 96 A. p < 8 B. p < 108 C. p < 84 D. p > –8

inessss [21]

Solution:

Note that:

Given inequality: 12p < 96

Dividing both sides by 12:

12p < 96
=> 12p/12 < 96/12
=> p < 8

Correct option is A.

3 0

3 years ago

Read 2 more answers