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3 years ago

Find the area of the trapazoid for me please :)

Mathematics

1 answer:

Doss [256]3 years ago

6 0

Answer:

A = 14 m^2

Step-by-step explanation:

The area of a trapezoid is found by

A = 1/2 (b1+b2) *h where b is the length of the bases and h is the height

A = 1/2 (2+5) *4

A = 1/2(7)4

A = 14 m^2

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Solve 4^x-5 = 6 for x using the change of base formula log base b of y equals log y over log b

Ronch [10]

Answer:

$4^x-5=6$ gives the solution $x=\frac{\log(11)}{\log(4)}$ .

$4^{x-5}=6$ gives the solution $x=\frac{\log(6)}{\log(4)}+5$ .

Step-by-step explanation:

I will solve both interpretations.

If we assume the equation is $4^{x}-5=6$ , then the following is the process:

$4^x-5=6$

Add 5 on both sides:

$4^x=6+5$

Simplify:

$4^x=11$

Now write an equivalent logarithm form:

$\log_4(11)=x$

$x=\log_4(11)$

Now using the change of base:

$x=\frac{\log(11)}{\log(4)}$ .

If we assume the equation is $4^{x-5}=6$ , then we use the following process:

$4^{x-5}=6$

Write an equivalent logarithm form:

$\log_4(6)=x-5$

$x-5=\log_4(6)$

Add 5 on both sides:

$x=\log_4(6)+5$

Use change of base formula:

$x=\frac{\log(6)}{\log(4)}+5$

6 0

3 years ago

Nick volunteers at the library shelving books.

ch4aika [34]

Answer:

B: A

He earns $90 in 3 weeks.

He shelves 90 books in 3 hours.

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Please answer this correctly

coldgirl [10]

Answer:

4/5

Step-by-step explanation:

Because Patrick ate 1/5 of his cake, meaning that there would be 4/5 of the cake left for his friends to eat.

yes

3 0

3 years ago

Read 2 more answers

The ground temperature at an airport is 12 °C. The temperature decreases by 5.4 °C for every increase of 1 kilometer above the g

olga_2 [115]

Decrease in the temperature: 5.4×5=27°C

Final temperature: 12-27=-15°C

6 0

3 years ago

PLEASE HELP ME!!!!!!!!!

mihalych1998 [28]

Answer:

A) 24

Step-by-step explanation:

Total weight - loaded weight = space remaining in the trailer: 1050kg - 82kg = 968kg

space remaining ÷ the number of transport: 968 ÷ 40 = 24.2 OR 24

Hope it helps you

3 0

3 years ago