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2 years ago

What is 4/2 in metres.

Mathematics

1 answer:

Harlamova29_29 [7]2 years ago

5 0

The answer is 0.5 metres.
4/2 = 1/2
1/2 100cm is 50cm
50cm = 0.5 metres.

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If f(x) is an exponential function where f(-1.5) 26 and

mariarad [96]

Answer:

$f(10) = 1147.25$

Step-by-step explanation:

Given

$f(-1.5) = 26$

$f(5.5) = 7$

Required

f(10)

An exponential function is represented as:

$f(x) = ab^x$

$f(-1.5) = 26$ impleies that:

$26 = ab^{-1.5}$ --- (1)

$f(5.5) = 7$ implies that

$7 = ab^{5.5}$ --- (2)

Divide (2) by (1)

$26/7 = ab^{-1.5}/ab^{5.5}$

$3.71429 = b^{-1.5+5.5}$

$3.71429 = b^{4}$

Take 4th root

$b = 1.39$

Substitute $b = 1.39$ in $26 = ab^{-1.5}$

$26 = a * 1.39^{-1.5}$

$26 = a * 0.6102$

Solve for (a)

$a = 26/0.6102$

$a = 42.61$

f(10) is calculated as:

$f(10) = ab^{10}$

$f(10) = 42.61 * 1.39^{10}$

$f(10) = 1147.25$

3 0

2 years ago

A floor lamp costs $21 less than a $99 painting. How much does the floor lamp cost?

lesya [120]

99-21=78

Answer:The floor lamp costs $78

6 0

3 years ago

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What are the domain and range of the function below?

vagabundo [1.1K]

Answer:

domain = 0 < x < infinity / range = y < 4

Step-by-step explanation:

4 0

2 years ago

Need help on this ASAP

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Answer:

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3 years ago

What non-zero rational number must be placed in the square so that the simplified product of these two binomials is a binomial:

aleksandrvk [35]

The product would expand to

$(7t-10)(5t+x)=35t^2+7tx-50t-10x=35t^2+(7x-50)t-10x$

This is a trinomial, and the only way to make it a binomial is to cancel out a coefficient using our variable $x$ .

So, we can cancel either the linear term or the constant term.

In the first case, we require

$7x-50=0 \iff 7x=50 \iff x=\dfrac{50}{7}=\dfrac{49}{7}+\dfrac{1}{7}=7\dfrac{1}{7}$

In the second case, we require

$-10x=0\iff 10x=0 \iff x=0$

But $x$ must be a non-zero rational number, so this solution is not feasible.

7 0

3 years ago

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What is 4/2 in metres.​

What is 4/2 in metres.