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Hatshy [7]
2 years ago
7

True or false points are usually name by using a lowercase single letter

Mathematics
2 answers:
Lesechka [4]2 years ago
5 0

true

the answer is true mommy

Scilla [17]2 years ago
4 0

Answer:

true

Step-by-step explanation:

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An electrical power company is looking to expand into a new market. Before they commit to supplying the new area with electricit
TiliK225 [7]

Answer:

atleast 385

Step-by-step explanation:

Given that an electrical power company is looking to expand into a new market. Before they commit to supplying the new area with electricity, they would like know the mean daily power usage for homes there.

Population std deviation = \sigma = 50

Sample size =n

STd error of sample mean = \frac{50}{\sqrt{n} }

Margin of error for 95% would be Critical value ( std error)

Here since population std dev is known we can use Z critical value= 1.96

1.96*\frac{50}{\sqrt{n} }19.6^2\\n>384.16

Sample size should be atleast 385

5 0
3 years ago
The distance between the points (7,2) and (7 –9)
Angelina_Jolie [31]
The distance between both points is 11
6 0
2 years ago
Rob spent $38 on shirts. Tee shirts cost $4 and long sleeve shirts cost $5. If he bought a total of 8 then how many of each kind
KATRIN_1 [288]

Answer:

2 long sleeve and then 7 short sleeve

3 0
3 years ago
13)
grandymaker [24]

Given :

Ryan works two jobs. He earns $10 per hour working at the hardware store, and he earns $13 per hour working at the shipping.

To Find :

If x represents hours at the hardware store and y represents hours at the shipping company, which inequality represents  the situation if Ryan wants to earn a minimum of $300.

Solution :

His total earning is given by :

T = 10( number of hours at hardware store ) + 13( number of hours at the shipping)

T = 10x + 13y

Now, he wants to earn a minimum of $300 i.e T ≥ $300.

So, 10x + 13y ≥ 300

Hence, this is the required solution.

8 0
3 years ago
What is the answer to 2-2×3+3
andreyandreev [35.5K]
2 - 2 x 3 + 3
= 2 - 6 + 3
= -4 + 3
= -1
7 0
3 years ago
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