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guapka [62]
3 years ago
9

SOMEONE PLEASE HELP WILL MARK BRAINLIEST PLEASE EXPLAIN

Mathematics
2 answers:
zalisa [80]3 years ago
4 0

Answer:

a. (x+5)^2 = 49

b. (x+7)^2 = (x+1)^2

Step-by-step explanation:

So the term "a number" is always going to be x. input x into the sentences. "X plus five, then squared, is forty-nine". when they do "is __", that means equal to. In the second question, seven more than x is x + 7 (the two numbers are interchangeable here). Equivalent also means equal. hope this helped :)

GenaCL600 [577]3 years ago
3 0

Answer:

a: x + 5^2 = 49

b: 7>x^2=(put three lines not two) (1>x)^2

Step-by-step explanation:

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AleksAgata [21]
It’s c) 1/2 because if the situation has a lot of negatives your answer should be a positive
6 0
4 years ago
A grocery store produce manager is told by a wholesaler that the apples in a large shipment have a mean weight of 6 ounces and a
Andru [333]

Answer:

W= 5.744

Step-by-step explanation:

given that a grocery store produce manager is told by a wholesaler that the apples in a large shipment have a mean weight of 6 ounces and a standard deviation of 1.4 ounces

Sample size n= 49

Margin of error = 0.10 (10% risk )

Let us assume X no of apples having mean weight of 6 oz is N(6,1.4)

Then sample mean will be normal with (6, 1.4/7) = (6,0.2)

(Because sample mean follows normal with std error as std dev /sqrt of sample size)

Now required probability <0.10

i.e.P(\bar X

Since x bar is normal we find z score for

P(Z

From std normal distribution table we find that z = 1.28

Corresponding X score =

W= 6-0.2*1.28\\W= 6-0.256 = 5.744

7 0
4 years ago
A train leaves at 15.42 and arrives at its destination at 16.56.
Tasya [4]

Answer:

90/1.5=60 mph

Step-by-step explanation:

I assume that the train is traveling at constant speed.

Between 12:45 pm and 2:15 pm the train has traveled 180-90=90 miles. So 90 miles in 1.5 hours which means that its speed is 90/1.5=60 mph

5 0
3 years ago
Read 2 more answers
FIRST RIGHT ANSWER GETS BRAINLIEST
Shtirlitz [24]

Answer:

what's the question

Step-by-step explanation:

........

3 0
3 years ago
The Best Theme Park sold 130 tickets in an hour and made $5,300 from ticket sales. An adult ticket sells for $50.00. A child tic
lilavasa [31]
The solution to the system is (90,40)....x = adults and y = child's...so x = 90 (there were 90 adult tickers) and y = 40 (there were 40 child tickets)...u already had the answer right in front of you
8 0
3 years ago
Read 2 more answers
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