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disa [49]
3 years ago
15

If the relative frequency of getting a red on a spinner is 0.4 how many reds would you expect to get in 300spins?

Mathematics
1 answer:
Sauron [17]3 years ago
5 0

This relative frequency is an experimental probability:  that of getting a red on a spinner.  In 300 spins, we'd expect to get 0.4(300), or 120, reds.

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Calculate the perimeter and area for the parallelogram if a = 2.8 ,b = 16.5 and h = 11.5
Nana76 [90]

Perimeter = 2(a+b)

= 2(2.8+16.5)

=2(19.3)

Perimeter = 38.6

Area=base x height

=2.8 x 11.5

=32.2

3 0
3 years ago
Read 2 more answers
Solve for x −9x+5≤17 OR 13x+25≤−1
arsen [322]

Answer:

(-∞ 2] ∪ [-4/3 ∞ )

Step-by-step explanation:

Given compound inequality,

-9x+5\leq 17\text{ or }13x+25\leq -1

-9x\leq 12\text{ or }13x\leq -26  ( Subtraction property of inequality )

-x\leq \frac{12}{9}\text{ or }x\leq -\frac{26}{13}   ( Division property of inequality )

-x\leq \frac{4}{3}\text{ or }x\leq -2

x\geq -\frac{4}{3}\text{ or }x\leq -2   ( a < b ⇒ - a > - b )

Hence, the solution of the given inequality is,

(-∞ -2] ∪ [-4/3 ∞ )

3 0
3 years ago
Read 2 more answers
5y - 3z + 4y -1z - 3y; y = 3 and z = -2
Dafna11 [192]
5(3)-3(-2)
15-(-6)=
15+6=21
a negative plus a negative is a positive so its 21
4(3)-3(-2)
12-(-6)
12+6=18
21+18=39
8 0
3 years ago
Please help me with this. What am I supposed to set the ratio equal to?
jenyasd209 [6]
The number that you get
6 0
3 years ago
How to graph the equation
navik [9.2K]
First, you need to change it from standard form to slope-intercept form. To do this, you have to add 3x to both sides. Now that y is by itself, divide by 5 on both sides. Your equation should now be y=3x+3. Then, graph the points. Your x-intercept should be at (-5,0) and your y- intercept should be at (0,3).
5 0
3 years ago
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