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3 years ago

write the place value of the underlined digit. round each number to the place of the underlined digit 2.348 3 is underlined

Mathematics

1 answer:

Nana76 [90]3 years ago

7 0

3 is in the tenths place when you round the number it would be 2.3.

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Find the limit of the function by using direct substitution.

serg [7]

Answer:

Option a.

$\lim_{x \to \frac{\pi}{2}}(3e)^{xcosx}=1$

Step-by-step explanation:

You have the following limit:

$\lim_{x \to \frac{\pi}{2}{(3e)^{xcosx}$

The method of direct substitution consists of substituting the value of $\frac{\pi}{2}$ in the function and simplifying the expression obtained.

We then use this method to solve the limit by doing $x=\frac{\pi}{2}$

Therefore:

$\lim_{x \to \frac{\pi}{2}}{(3e)^{xcosx} = \lim_{x\to \frac{\pi}{2}}{(3e)^{\frac{\pi}{2}cos(\frac{\pi}{2})}$

$cos(\frac{\pi}{2})=0\\$

By definition, any number raised to exponent 0 is equal to 1

$\lim_{x\to \frac{\pi}{2}}{(3e)^{\frac{\pi}{2}cos(\frac{\pi}{2})} = \lim_{x\to \frac{\pi}{2}}{(3e)^{\frac{\pi}{2}(0)}\\\\$

$\lim_{x\to \frac{\pi}{2}}{(3e)^{0}} = 1$

Finally

$\lim_{x \to \frac{\pi}{2}}(3e)^{xcosx}=1$

6 0

3 years ago

Math 7 Grade 7. Can anyone help me answer these questions?

zaharov [31]

1. What is the opposite of -2? 2

2. When we add opposites together they will always equal = ? 0

This is also known as what ?
additive inverse

Adding with integers with SAME signs.

-8 + -3 = -11

-12 + -15 = -27

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6 0

2 years ago

PLEASE HELP ME OUT

liubo4ka [24]

Answer:

18.84 ft

Step-by-step explanation:

The formula for the circumference of a circle is C = πd or C = 2πr

We will use C = 2πr since we have r given in the photo

We just need to substitute our values into the formula:
C = 2(3.14)(3) = 18.84 ft

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3 years ago

What is a third-degree binomial?

natita [175]

Answer:A binomial expression has two terms. For example, 4x + 5, The degree of any polynomial refers to the term with the highest exponent on its variable. ... Therefore, it is called binomial and since the highest exponent with variable x is 3, therefore it is third degree binomial with constant term of 8

Step-by-step explanation:

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3 years ago

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Areas and perimeters

Marta_Voda [28]

I think its the second one

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3 years ago

write the place value of the underlined digit. round each number to the place of the underlined digit 2.348 *3 is underlined*

write the place value of the underlined digit. round each number to the place of the underlined digit 2.348 3 is underlined