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kolbaska11 [484]
3 years ago
15

Can someone explain how to solve the angle A

Mathematics
1 answer:
Natasha_Volkova [10]3 years ago
7 0
I cannot explain but from various examples that I have seen I would say that Angle A is either 30°, 40°, or 45°
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Describe the line.(what kind of line is it?)​
adelina 88 [10]

Answer:

slope it's a slope and I need 20 characters

8 0
3 years ago
Read 2 more answers
Pauline orders wristbands from two different companies. • Company 1 sells each wristband for $2 and has free shipping. Company 2
MA_775_DIABLO [31]

Answer:

8 wristbands

Step-by-step explanation:

Let us assume that both of the company were ordered to deliver w wristbands.

The amount of money charged by company 1 who sells at $2 and offers free shipping is given as:

2w

The amount of money charged by company 2 who sells at $1.25 and $6 for shipping per order given as:

1.25w + 6

If both companies charge the same amount, hence:

2w = 1.25w + 6

2w - 1.25w = 6

0.75w = 6

w = 6/0.75

w = 8

The two companies charge the same amount for 8 wristbands

5 0
3 years ago
A box contains 12 red marbles,8 blue marbles, and 4 yellow marbles. Three marbles are drawn at random with replacement (means I
Liula [17]

Answer: 1/8

Step-by-step explanation:

Number of red marbles = 12

Number of blue marbles = 8

Number of yellow marbles = 4

Total number of marbles = 24

Probability of getting red = 12/24 = 1/2

The probability of getting three reds with replacement will be:

= 1/2 × 1/2 × 1/2

= 1/8

4 0
3 years ago
Karen wants to advertise how many chocolate chips are in each big chip cookie at her bakery. she randomly selects a sample of 69
Tomtit [17]

Answer: (10.1989,\ 11.0011)

Step-by-step explanation:

Given : Sample size : n=69

Sample mean : \overline{x}=10.6

Standard deviation : s=1.7

Significance level : \alpha:1-0.95=0.05

Then , Critical value : z_{\alpha/2}=1.96

The formula to confidence interval is given by : -

\overline{x}\pm z_{\alpha/2}\dfrac{s}{\sqrt{n}}\\\\\Rightarrow\ 10.6\pm (1.96)\dfrac{1.7}{\sqrt{69}}\\\\\approx10.6\pm0.4011=(10.6-0.4011,10.6+0.4011)=(10.1989,\ 11.0011)

Hence, the 95% confidence interval for the number of chocolate chips per cookie for big chip cookies= (10.1989,\ 11.0011)

8 0
4 years ago
John drives 60 miles per hour on the freeway. If there are 1.60934 kilometers in 1 mile, how many kilometers will John drive in
olga_2 [115]

Answer:

96.56 kilometers

Step-by-step explanation:

Find how many kilometers he will drive by multiplying 60 by 1.60934

60(1.60934)

= 96.56

So, John will drive 96.56 kilometers in one hour

5 0
3 years ago
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