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2 years ago

What is 47.7273 rounded

Mathematics

2 answers:

WARRIOR [948]2 years ago

5 0

Answer: 48

Step-by-step explanation:

lutik1710 [3]2 years ago

4 0

Answer is 48
The 7 in the 10s place is higher than 4 so it brings the digit to the left one higher turning 47 to 48

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If g(x)=x^2-5x+8, find g(8)

ycow [4]

Answer:

Option A) 32

Step-by-step explanation:

Given the quadratic function, g(x) = x²- 5x + 8:

In order to evaluate and determine the output value given g(8), substitute the input value into the function:

g(x) = x²- 5x + 8

g(8) = (8)²- 5(8) + 8

g(8) = 64 - 40 + 8

g(8) = 32

Therefore, the correct answer is Option A) 32.

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2 years ago

What is the answer to this math problem

Alenkasestr [34]

Hope this helps you..!!!

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3 years ago

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Isolating a variable in two equations is easiest when one of them has a coefficient 1.

Tomtit [17]

Answer:

Option C.

Step-by-step explanation:

The given equations are

$3A-B=5$

$2A+3B=-4$

We need isolate one of the variables, such that it appears by itself on one side of the equation.

Isolating a variable in two equations is easiest when one of them has a coefficient 1.

In equation 1, coefficient of B is 1. So, we can easily isolate one of the variables.

The equation is

$3A-B=5$

Subtract 3A from both sides.

$-B=5-3A$

Multiply both sides by -1.

$B=3A-5$

Therefore, the correct option is C.

6 0

3 years ago

Plz help asap really need it

luda_lava [24]

Answer:

Step-by-step explanation:

perfect square sholud be $(a+b)^{2}$

so (w+3)*(w+3) is perfect square and extention of it is =>w*w+6w+9

6 0

2 years ago

The table shows the number of calories in four meals and the cost of each meal.

Aleksandr-060686 [28]

Answer:

A weak negative correlation

Step-by-step explanation:

$correlation, r = \frac{∑(y-\alpha)(x-\beta }{\sqrt{∑(y-\alpha)^2∑(x-\beta )^2 } }$

where,

$\alpha = \frac{∑y}{n} \\\beta =\frac{∑x}{n} \\∑ = summation$

$\alpha = \frac{3230}{4} = 807.5\\\\\\\beta =\frac{46}{4} = 11.5$

$therefore,\\\\r= -0.12924$

This represents a weak negative correlation

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3 years ago

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