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4 years ago

PLSSS HELPPP PLSSSS

Mathematics

2 answers:

dem82 [27]4 years ago

8 0

73 units i think....

bezimeni [28]4 years ago

5 0

Answer:

i think it's 73 units in the cube

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I need help with this question.

SSSSS [86.1K]

Answer:

$\displaystyle S_{27}=675$

Step-by-step explanation:

The sum of N consecutive natural numbers is given by:

$\displaystyle S_N=\frac{N}{2}(F+L)$

We need to find the sum of the natural numbers between 12 to 38.

To calculate the required sum we have F=12, L=38, but we don't have the value of N.

From 12 to 38 there are 38 - 12 + 1 = 27 natural consecutive numbers, thus N=27.

Substituting in the formula:

$\displaystyle S_{27}=\frac{27}{2}(12+38)$

$\displaystyle S_{27}=\frac{27}{2}(50)$

$\displaystyle S_{27}=27*25$

$\mathbf{\displaystyle S_{27}=675}$

5 0

3 years ago

Plzzz i really need help What is the first quartile of the data displayed in this box-and- whisker plot???

Natali5045456 [20]

Answer:

On the box and whisker plot, 42 is between the median and the smallest number

8 0

3 years ago

Mega Movies hosted a film premiere on Friday night. They charged $9 for adults and $5 for children. One hundred sixty-one adults

RUDIKE [14]

D.
15 children*5= $75
146 Adults*9=$1314

$1314+$75= $1,389 made in ticket sales

8 0

3 years ago

Read 2 more answers

Examine the following system of inequalities.

topjm [15]

<h2>Answer:</h2>

Dotted linear inequality shaded below passes through (0, 4) & (4,3). Dotted parabolic inequality shaded above passes through points (negative 6,4), (negative 4, 0) & (negative 2, 4).

<h2>Step-by-step explanation:</h2>

Hello! Let me help you to find the correct option to this problem. First of all, we have the following system of inequalities:

$\left\{ \begin{array}{c}y< -\frac{1}{4}x+4\\y>(x+4)^{2}\end{array}\right.$

To solve this, let's write the following equations:

<h3>FIRST:</h3>

$y=-\frac{1}{4}x+4$

This is a linear function written in slope-intercept form as $y=mx+b$ . So, the slope $m=-\frac{1}{4}$ and the y-intercept is $b=4$ . Since in the inequality we have the symbol < then the graph of the line must be dotted. To get the shaded region, let's take a point, say, $(0, 0)$ and let's test whether the region is above or below the graph. So:

$y< -\frac{1}{4}x+4 \\ \\ Let \ x=y=0 \\ \\ 0$

Since the expression is true, then the region is the one including point $(0, 0)$ , that is, it's shaded below.

<h3>SECOND:</h3>

$y=(x+4)^{2}$

This is a parabola that opens upward and whose vertex is $(-4,0)$ . Since in the inequality we have the symbol > then the graph of the parabola must be dotted. Let's take the same point $(0, 0)$ to test whether the region is above or below the graph. So:

$y>(x+4)^{2} \\ \\ Let \ x=y=0 \\ \\ 0>(0+4)^2\\ \\ 0>16 \ False!$

Since the expression is false, then the region is the one that doesn't include point $(0, 0)$ , that is, it's shaded above

____________________

<h3>On the other hand, testing points (0, 4) and (4,3) on the linear function:</h3>

$y=-\frac{1}{4}x+4 \\ \\ \\ \bullet \ (0,4): \\ \\ y=-\frac{1}{4}(0)+4 \therefore y=4 \\ \\ \\ \bullet \ (4,3): \\ \\ y=-\frac{1}{4}(4)+4 \therefore y=3$

So the line passes through these two points.

<h3 /><h3>Now, testing points (negative 6,4), (negative 4, 0) & (negative 2, 4) on the parabola:</h3><h3 />

$y=(x+4)^2 \\ \\ \\ \bullet \ (-6,4): \\ \\ y=(-6+4)^2 \therefore y=(-2)^2 \therefore y=4 \\ \\ \\ \bullet \ (-4,0): \\ \\ y=(-4+4)^2 \therefore y=0 \\ \\ \\ \bullet \ (-2,4): \\ \\ y=(-2+4)^2 \therefore y=(2)^2 \therefore y=4$

So the line passes through these three points.

Finally, the shaded region is shown below.

6 0

3 years ago

Two children are on a stationary tire swing. Which

grin007 [14]

A the children,rope ,and tire have energy

3 0

3 years ago