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Serhud [2]
3 years ago
11

How many real solutions does t2 + 100 = 0 have ?

Mathematics
2 answers:
jolli1 [7]3 years ago
7 0
There is only 1 solution. You have to multiply fractions or decimals.
forsale [732]3 years ago
4 0
T=-50 is the answer........
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In order to make a service for four 1 3/4 cups of chopped vegetables are needed. Based on this information, determine the amount
Mila [183]

For this case we propose a rule of three according to the data of the statement. To do this, we convert the mixed number into an improper fraction:

1 \frac {3} {4} = \frac {4 * 1 + 3} {4} = \frac {7} {4}cups

4 ----------> \frac {7} {4}

10 ----------> x

Where the variable "x" represents the amount of chopped of vegetables needed for 10 people.

x = \frac {10 * \frac {7} {4}} {4}\\x = \frac {\frac {70} {4}} {4}\\x = \frac {70} {16}\\x = \frac {35} {8}

This is equivalent to 4 \frac {3} {8}cups.

Answer:

4 \frac {3} {8} cups

6 0
3 years ago
Does the point (5, 24) lie on the line y = 5x - 1?
Igoryamba

Answer:

Step-by-step explanation:

Because 5x - 1 = 55 - 1 = 24 = y

6 0
3 years ago
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What is 5/8 times 4? Then simplify your answer.
scZoUnD [109]

The answer is 2 1/2. Because you need to cross cancel then you take the "freeway", and you get 5/2 and simplified is 2 1/2.And since half equals .5 it would be 2.5 just in case you also needed decimal.

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4 0
3 years ago
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A limnologist wishes to estimate the mean phosphate content per unit volume of lake water. It is knownfrom studies in previous y
telo118 [61]

Answer: 68

Step-by-step explanation:

As per given , we have

Population standard deviation : \sigma=4

Critical value for  90% confidence interval =z_{\alpha/2}=1.645

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The formula to find the sample size is given by :-

n=(\dfrac{z_{\alpha/2}\ \sigma}{E})^2

i.e. n=(\dfrac{(1.645)(4)}{0.8})^2=(8.225)^2

=67.650625\approx68

Hence, the limnologist must analyze 68 samples.

6 0
3 years ago
Malcolm ran the 440 yard dash and the 220 yard dash at a track meet. There are 3 feet in one yard .How many total feet side malc
algol13
660 yards total ran times how many feet are in each yard (3) , 660 x 3 = 1980 feet to be exact
5 0
3 years ago
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