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sleet_krkn [62]
2 years ago
7

Use the fraction model to multiply: three multiplied by three fifths. Leave your answer as an improper fraction.

Mathematics
1 answer:
Katena32 [7]2 years ago
8 0

Answer:

it is six fifths your welcome

Step-by-step explanation:

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11( 5h + 9) simplified
forsale [732]

Answer:

55h+99

Step-by-step explanation:

11(5h+9) multiply everything inside the brackets by what's outside:

11×5h=55h

11×9=99

55h+99

7 0
3 years ago
Read 2 more answers
5) What is the name of a triangle with only 2 equal sides?
Dmitriy789 [7]

Answer:

isosceles triangle

Step-by-step explanation:

An isosceles triangle therefore has both two equal sides and two equal angles. The name derives from the Greek iso (same) and skelos (leg). A triangle with all sides equal is called an equilateral triangle, and a triangle with no sides equal is called a scalene triangle.

3 0
3 years ago
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If in a sample of 355 adult males, we have a mean total cholesterol level of 185 mg, with s = 16. What is the 95% confidence int
sladkih [1.3K]

Answer:

Step-by-step explanation:

We want to determine a 95% confidence interval for the mean total cholesterol level of all males.

Number of sample, n = 355

Mean, u = 185 mg

Standard deviation, s = 16

For a confidence level of 95%, the corresponding z value is 1.96. This is determined from the normal distribution table.

We will apply the formula

Confidence interval

= mean +/- z ×standard deviation/√n

It becomes

185 +/- 1.96 × 16/√355

= 185 +/- 1.96 × 0.849

= 185 +/- 1.66404

The lower end of the confidence interval is 185 - 1.66404 =183.336

The upper end of the confidence interval is 185 + 1.66404 = 186.66

Therefore, with 95% confidence interval, the mean total cholesterol level of all males is between 183.336 mg and 186.66 mg

5 0
4 years ago
Solve for x in the equation x^2-4x-9=29? x=2+/- squareroot 42 x=2+/-squareroot 33 x=2+/-squareroot 34 x=4+/-squareroot 42
jeka57 [31]
For this case what we must do is to use the formula of the resolvent in the following way:
 x = (- b +/- root (b ^ 2 - 4 * a * c)) / (2 * a)
 Where,
 a = 1
 b = -4
 c = -38
 Substituting the values:
 x = (- (- 4) +/- root ((- 4) ^ 2 - 4 * 1 * (- 38))) / (2 * 1)
 x = (4 +/- root (168)) / 2
 x = (2 +/- root (42))
 Answer:
 x = 2 +/- squareroot 42
3 0
4 years ago
Use distributive property to create an equivalent expression to 7x+56
Alexeev081 [22]
The answer should be 7(x+8)
6 0
4 years ago
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