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Paha777 [63]
2 years ago
11

3) Mr. Wright is going to do an experiment and needs a volunteer r. Josh, Eddie, Jordan, Brent, Alice, Betsy, and Marcus all wan

t to be the volunteer. a) What is the probability of him choosing a boy?​
Mathematics
1 answer:
Zina [86]2 years ago
5 0
Ok there is 7 students in total… the ratio of boys to girls is 5 to 2, so 5 divided by 7 is 0.714%
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Find (3 × 10^4) − (5 × 10^2). A) 2.905 × 10^2 B) 2.905 × 10^4 C) 2.95 × 10^2 D) 2.95 × 10^4
Eva8 [605]
3*10^4=30000
5*10²=500
30000-500=29500
2.95*10^4=29500
so D
7 0
3 years ago
PLZ HELP its only one problem and the instructions are on the screenshot
djyliett [7]

Answer:

Equal to!

Step-by-step explanation:

2 x 1.08 is 2.16

(1.08/100) x 200 = 2.16

2.16 = 2.16

3 0
3 years ago
Choose the point-slope form of the equation below that represents the line that passes through the point (6, −3) and has a slope
Marina86 [1]
Y - y1 = m(x - x1)
slope(m) = 1/2
(6,-3)....x1 = 6 and y1 = -3
now sub...and pay attention to ur signs
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7 0
3 years ago
A sector with an area of 140pi cm2 has a radius of 20 what is the central angle in degrees
Marrrta [24]

Answer:

900 degree

Step-by-step explanation:

4 0
3 years ago
Which inequality is represented by the graph?
Taya2010 [7]

Answer:

Option B

Step-by-step explanation:

Notice that the region of the inequality is bounded by a line.

The first thing to do is find the equation of this line.

Note that the line intersects the x-axis at x = 3.5 and intercepts the y-axis at y = -2.5

We know that the equation of a line has the following form:

y = mx + b

Where m is the slope of the line and b is the intercept with the y axis.

So we already know that:

b = -2.5 = -\frac{5}{2}

Then we know that when x = 3.5 then y = 0

Thus:

0 = 3.5m -2.5

Ahroa we clear m.

m = \frac{2.5}{3.5}\\\\m = \frac{5}{7}

Then, the equation of the line is:

y = \frac{5}{7}x -\frac{5}{2}

We can also multiply by -2 both sides of the equation and we have:

-2y = -\frac{10}{7}x +5

Then:

\frac{10}{7}x -2y =5

The option that contains this equation is option B.

To verify it, enter a point within the shaded region, such as the point (0,0), in the selected inequality. If the inequality is satisfied then option B is correct

\frac{10}{7}x -2y\leq5\\\\\frac{10}{7}(0) -2(0)\leq5\\\\0\leq5

The inequality is satisfied because 0 is less than 5. Then the correct option is B

7 0
3 years ago
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