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serious [3.7K]
2 years ago
10

1. The spinner shown has six congruent sections.

Mathematics
1 answer:
kondaur [170]2 years ago
8 0

Answer:

B

Step-by-step explanation:

The probability of obtaining a 3 is

P(3) = \frac{1}{6}

Then after 30 spins the predicted number of times it should land on 3 is

30 × \frac{1}{6} = 5

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7 0
3 years ago
Jack and Jill both ordered pizzas from Wayne's Pizza for their parties. Jack paid $58.50 for 3 pepperoni pizzas and 2 plain pizz
just olya [345]

Answer:

A plain pizza is $10.50 and a pepperoni pizza is $12.50

Step-by-step explanation:

Create a system of equations where x is the price of a pepperoni pizza and y is the price of a plain pizza:

3x + 2y = 58.5

2x + 4y = 67

Solve by elimination by multiplying the top equation by -2:

-6x - 4y = -117

2x + 4y = 67

Add these together and solve for x:

-4x = -50

x = 12.5

So, a pepperoni pizza is $12.50. Plug in 12.5 as x into one of the equations, and solve for y:

2x + 4y = 67

2(12.5) + 4y = 67

25 + 4y = 67

4y = 42

y = 10.5

So, a plain pizza is $10.50.

A plain pizza is $10.50 and a pepperoni pizza is $12.50

8 0
2 years ago
Determine the point of intersection of the straight lines that have the equations:
Alexxx [7]
(‑(4*​x))+​5, (‑(3*​x))-​5/​9

6 0
3 years ago
Read 2 more answers
The figure below shows ADC and BEC.Complete the two-column proof.BE AC and AD CBCB ≅ CAProve: ADC ≅ BEC
Firdavs [7]

Isn’t ADC = CAPROVE?

6 0
3 years ago
4(x−1)−3(2x−5)<br> plz help
nikitadnepr [17]
First you distribute. 4 to x-1 and 3 times 2x-5 you should get 4x-4-6x+15 because -3 times -5 is positive 15. Combine like terms 6x-4x is 2x and 15-4 is 11
6 0
2 years ago
Read 2 more answers
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