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o-na [289]
3 years ago
14

PLEASE HELP, IM BEING TIMED!

Mathematics
2 answers:
sesenic [268]3 years ago
6 0

The answer should be C.

Svetlanka [38]3 years ago
3 0

Answer:

Option A is correct .

Step-by-step explanation:

if in a question it is given that BC is equal to AB then only we can do like that...

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What is equal to 4y+y<br> Thank you so much!<br> Need an answer ASAP
hoa [83]

Answer:

5y

Step-by-step explanation:

add like terms

since 4y and y are like terms you can add them to make 5y

4 0
3 years ago
A local restaurant is offering a special deal in which customers can receive one appetizer, one entree, and one dessert for a fi
Dmitriy789 [7]
There are105 different choices.
For 1 appetizer, there are 15 different combinations of entrees and desserts. 1 dessert has 5 entrees you can mix, and since there are 3 desserts, there are 15 choices. It goes the same for every appetizer until there is 7x15. 7Ax15choices equals 105 options.
The customer has 105 meal choices.
5 0
3 years ago
Does the graph represent a function?
Marrrta [24]

Answer:

No, it doesn't pass the vertical line test.

5 0
2 years ago
Ethan planted a tree that was 1.85 meters tall. Several years later the tree is 5.30 meters tall. Which equation can be used to
PSYCHO15rus [73]

Answer:

5.30 = x + 1.85

x Equals The Difference

7 0
3 years ago
Read 2 more answers
The average daily volume of a computer stock in 2011 was million​ shares, according to a reliable source. A stock analyst believ
igomit [66]

Complete question :

The average daily volume of a computer stock in 2011 was p = 35.1 million shares, according to a reliable source. A stock analyst believes that the stock volume in 2014 is different from the 2011 level. Based on a random sample of 40 trading days in 2014, he finds the sample mean to be 30.9 million shares, with a standard deviation of s = 11.8 million shares. Test the hypotheses by constructing a 95% confidence interval. Complete parts (a) through (c) below. State the hypotheses for the test. Construct a 95% confidence interval about the sample mean of stocks traded in 2014.

Answer:

H0 : μ = 35.1 ;

H1 : μ < 35.1 ;

(26.488 ; 35.312)

Step-by-step explanation:

The hypothesis :

H0 : μ = 35.1

H1 : μ < 35.1

The confidence interval :

Xbar ± Margin of error

Xbar = 30.9

Margin of Error = Zcritical * s/sqrt(n)

Zcritical at 95% = 1.96

Margin of Error = 1.96 * (11.8/sqrt(40))

Margin of Error = 4.412

Lower boundary :

30.9 - 4.412 = 26.488

Upper boundary :

30.9 + 4.412 = 35.312

Confidence interval = (26.488 ; 35.312)

Since the population mean value exists within the interval, the we fail to reject the Null.

5 0
2 years ago
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