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Alexeev081 [22]
3 years ago
11

Which shapes appear to have perpendicular sides

Mathematics
2 answers:
Mamont248 [21]3 years ago
6 0
A square I think :) hope this helps
a_sh-v [17]3 years ago
5 0
A square, rectangle, rhombus (I think)
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The average number of Saturday night shootings is 5 a night. What’s the chance that there will be a need for exactly 3 shootings
pishuonlain [190]

Answer:

0.14

Step-by-step explanation:

Using the poisson probability relation :

P(x = x) = (λ^x * e^-λ) ÷ x!

From the question ; mean, λ = 5 ; x = 3

Hence,

P(x = 3) = (5^3 * e^-5) ÷ 3!

P(x = 3) = (125 * 0.0067379) / 6

P(x = 3) = 0.8422375 / 6

P(x = 3) = 0.140

5 0
2 years ago
The one number is 3 less than 5 times another number. Their sum is 81. List the numbers.​
Inga [223]

Answer:

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Which of the following conversion ratios would you use to convert 780 mm to centimeters?
Westkost [7]
D. 1mm/10cm is the correct answer choice.
3 0
3 years ago
Determine the equation of the parabola shown in the diagram in factored form. (check picture below)
krok68 [10]

Answer:

(x+1)(x-3)

Step-by-step explanation:

A quadratic in factored form is usually expressed as: a(x\pm a)(x \pm b) where the sign of a and b depends on the sign of the zero. And I said "usually" since sometimes the x will have a coefficient. Anyways in the quadratic there are two zeroes at x=-1 and x=3. This can be written as: a(x+1)(x-3). Notice how the signs are different? This is because when you plug in -1 as x you get a factor of (-1+1) which becomes 0 and it makes the entire thing zero since when you multiply by 0, you get 0. Same thing for the x-3 if you plug in x=3. Now a is in front and it can influence the stretch/compression. To find the value of a, you can take any point (except for the zeroes, because it will make the entire thing zero, and you can technically input anything in as a)

I'll use the point (1, -4) the vertex

-4 = a(1+1)(1-3)

-4 = a(2)(-2)

-4 = -4a

1 = a. So yeah the value of a is 1

So the equation is just: (x+1)(x-3)

6 0
2 years ago
Solve for y.
ladessa [460]

Answer:

y = 9/b

Step-by-step explanation:

by = 9 solved for b yields y = 9/b.

7 0
3 years ago
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