3 years ago

Find 140% of 30. Round your answer to the nearest hundredth.

Mathematics

1 answer:

Yanka [14]3 years ago

4 0

Answer:

42.00

Step-by-step explanation:

The 140 percent of 30 is 42. 42 round to nearest hundredth is 42.00 .

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Find the measure of one exterior angle of each regular polygon. Round to the nearest tenth if necessary

Sholpan [36]

Answer:

40 degrees

Step-by-step explanation:

360/9=40

5 0

3 years ago

Which function represents g(x), a reflection of f(x) =

Ede4ka [16]

Answer:

Option A.

Step-by-step explanation:

Note: The given function should be $f(x)=\dfrac{2}{5}(10)^x$ instead of $f(x)=(10)^x$ .

Consider the given function is

$f(x)=\dfrac{2}{5}(10)^x$

We need to find the function which represents a reflection of f(x) across the x-axis.

If a function f(x) is reflected across the x-axis, then the new function is

$g(x)=-f(x)$

Using this rule, we get

$g(x)=-\dfrac{2}{5}(10)^x$ $[\because f(x)=\dfrac{2}{5}(10)^x]$

Therefore, the correct option is A.

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3 years ago

Use the product rule to simplify the following expression. Assume that variables represent nonnegative real numbers.

Marrrta [24]

Answer: 4x√5

Step-by-step explanation:

√2x • √40x=

√(2*40*x*x)=

√80x^2=

√(16*5x^2)=4x√5

3 0

2 years ago

Choose the statement that describes a way to solve the equation x + 2.5 = 8

scoray [572]

Answer:

subtract 2.5 on both sides

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3 years ago

Sally can paint a room in 8 hours while it takes Steve 9 hours to paint the same room. How long would it take them to paint the

velikii [3]

It would take them 17 hours if they worked together, but it could be 1 hour too.

8 0

3 years ago