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3 years ago

PLEASE NEED HELP RIGHT NOW

Mathematics

1 answer:

erica [24]3 years ago

3 0

Answer:

21/60 (simplified = 7/20)

Step-by-step explanation:

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What is 101,949 rounded to the nearest 100 thousand

lord [1]

To answer this question you always need to look at the number before it; if its 5 or higher you round up and if it's 4 or lower you round down. So the answer is 100,000 since the number before is 0.

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3 years ago

Solve for the indicated variable; x = 5y for y

MAXImum [283]

Y=x/5
divide 5 on both sides, this is as far as you can simplify the equation with the information given

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3 years ago

Read 2 more answers

Suppose you are interested in testing whether the mean earning of men in California differs significantly from the mean earning

notsponge [240]

Answer:

Step-by-step explanation:

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3 years ago

Which of the quadratic functions has the narrowest graph?

charle [14.2K]

Answer:

$y=\frac{1}{8}x^2$

Step-by-step explanation:

A quadratic function has the formula ax² + bx + c

To determine if a graph will be narrow or wide, the leading coefficient, a, will be the factor that determines this
The greater the coefficient, the narrower the parabola
The lesser the coefficient, the wider the parabola

Here all of the functions are in the form ax²

In $y=\frac{1}{8}x^{2}$ , our "a" term is $\frac{1}{8}$
In y = -2x², our "a" term is -2
In y = -3x², our "a" term is -3
In $y=\frac{1}{3}x^{2}$ , our "a" term is $\frac{1}{3}$

We can eliminate the two functions with the negative coefficients because they are much smaller than the two functions with the fractions as coefficients, and will therefore open much wider.

We can now compare the two remaining functions, $y=\frac{1}{8}x^2$ and $y=\frac{1}{3}x^2$

Giving the two fractions common denominators would turn them into $y = \frac{3}{24}x^2$ and $y=\frac{8}{24} x^2$
The equation with the larger fraction will be the parabola that is the narrowest. In this case, it is the $y=\frac{8}{24} x^2$ .
Therefore, $y=\frac{1}{8}x^2$ will have the narrowest graph

7 0

3 years ago

The midpoint of AB is M(1,4).if the coordinates of A are (-3,-6),what are the coordinates of B

boyakko [2]

midpoint of AB (M)=(1,4)=(x,y)

COOrdinates of A=(-3,-6)=(X1,Y1)

coordinates of B=?

using midpoint formula,

X=(X1+X2/2)

or,1=(-3+X2/2)

or,2=-3+X2

or,2+3=X2

5=X2

Y=(Y1+Y2/2)

or,4=(-6+Y2/2)

or,4×2=-6+Y2

or,8+6=Y2

14=Y2

so,co-ordinates of B are(5,14).

plz mark me brainliest.

4 0

2 years ago