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3 years ago

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Mathematics

1 answer:

Kobotan [32]3 years ago

6 0

Answer:

Step-by-step explanation:

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PLEASE HELP ME WITH THIS

alexandr1967 [171]

Answer:

the 1 st one

Step-by-step explanation:

6 0

3 years ago

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Simplify the following expression. 4a^-2b A.) b/4a^2 B.)4b/a^2 C.)1/4a^b2

Sergio [31]

ANSWER

The correct answer is B

$\frac{4b}{ {a}^{2} }$

EXPLANATION

The given exponential expression is

$4 {a}^{ - 2} b$

We can rewrite this as,

$4b \times {a}^{ - 2}$

We need to simplify to obtain a positive index, so we apply the following property,

${a}^{ - m} = \frac{1}{ {a}^{m} }$

This implies that,

$4b \times {a}^{ - 2} = 4b \times \frac{1}{ {a}^{2} }$

This will finally simplify to,

$4b \times {a}^{ - 2} =\frac{4b}{ {a}^{2} }$

Therefore the correct answer is B

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3 years ago

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Which number is rational? GIVING OUT BRAINLIEST!!

mojhsa [17]

Answer:

The 4th option.

Step-by-step explanation:

Rational numbers are numbers which can be expressed as a fraction. Irrational numbers are numbers which can't be expressed as a fraction. Square root 16 is a perfect square so it is a rational number.

4 0

3 years ago

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Help please

Vika [28.1K]

Answer:

B. Right angles

Step-by-step explanation:

When perpendicular lines intersect, they create 90° angles (aka right angles)

3 0

3 years ago

R(x−s)=sx+t what does x equal

Vilka [71]

Answer:

x = (rs + t)/(r-s)

Step-by-step explanation:

r(x - s) = sx + t

rx - rs = sx + t

rx - sx = rs + t

x(r - s) = rs + t

x = (rs + t)/(r-s)

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3 years ago

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Help pleaseeeeeeeeee​

Help pleaseeeeeeeeee