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Alex Ar [27]
2 years ago
7

What 2 numbers add up to 5 and multiply to 4?​

Mathematics
2 answers:
Ratling [72]2 years ago
5 0

Answer:

1 and 4

Step-by-step explanation:

Products of 4:  

  • 1 and 4
  • 2 and 2

Pairs of numbers that sum to 5:

  • 1 and 4
  • 2 and 3

Therefore, the two numbers that add up t o 5 and multiply to 4 are:  1 and 4

kherson [118]2 years ago
3 0
1 x 4 = 4, 1 + (4)= 5
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F(2)=2x^2-5 evalúate the function please
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Answer:

x=3

Step-by-step explanation:

plug F(2) for x

2(2)^2-5

2^2=4

2(4)-5=x

8-5=3

7 0
3 years ago
REALLY URGENT!!!!! ANSWER FAST!!!!
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if am sure it's A

Step-by-step explanation:

5 0
3 years ago
A medical devices company wants to know the number of hours its MRI machines are used per day. A previous study found a standard
4vir4ik [10]

The company has to study 199 machines.

In statistics, the standard deviation is a measure of the amount of variation or dispersion of a set of values. A low standard deviation indicates that the values tend to be close to the mean of the set, while a high standard deviation indicates that the values are spread out over a wider range.

It is given that;

Margin of error E = 0.7

Confidence interval 98% = 1-0.98 = 0.02

Standard deviation = 6 hours

Number of MRI machines needed per day n, = [(z alpha/2 * SD)/E]²

Z alpha/2 = 1.645 at alpha = 0.1

Inputting these values into n we have that

[(1.645*6)/0.7]²

= 14.1²

= 198.81 is approximately equal to 199

The company has to study 199 machines.

To know more about standard deviation visit: brainly.com/question/475676

8 0
1 year ago
M% of n? Meaning that you won't get an actual number. For example, m/100*n.
allochka39001 [22]

Answer:

\frac{m \times n}{100}

Step-by-step explanation:

The value in 100=m

The value in 1=\frac{m}{100}

The value in n=\frac{m \times n}{100}

7 0
2 years ago
Complete the statement.<br><br><br><br><br>Since angle B is the largest angle, is the side.
postnew [5]

Answer:

<em>∠B is the largest interior angle of the triangle, and AC is the</em><em> largest</em><em> side.</em>

Step-by-step explanation:

Relationship of sides to interior angles in a triangle-

  1. The shortest side of a triangle is always opposite to the smallest interior angle.
  2. The longest side of a triangle is always opposite to the largest interior angle.

So converse of the second property is the side opposite to the largest interior angle is always the largest side.

As ∠B is the largest interior angle of the triangle, so its opposite side which is AC will be the largest side.

7 0
3 years ago
Read 2 more answers
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