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Dafna11 [192]
2 years ago
14

On a number line 8.2 would be located where

Mathematics
1 answer:
lesya [120]2 years ago
7 0

Answer:

Step-by-step explanation:

8.2 comes between 8 and 9

8.2 = 8\frac{2}{10}.

As you know, the interval between 8 and 9 is divided into 10 equal parts and each part is 1/10 or 0.1.

You might be interested in
8. The sum of two numbers is 23 less than twice the first number. Their difference is 19 less than
Katarina [22]

Answer:

44, 21

Step-by-step explanation:

x+y = 2x-23

x-y = 2y - 19

Rewrite

-x + y = -23

x - 3y = -19

Use elimination.

4 0
3 years ago
Solve the equation using square roots. X^2+16=0
alexgriva [62]

Answer:

<u>The answer is :</u>

<u>x₁ = 4</u>

<u>x₂ = -4</u>

Step-by-step explanation:

Let's solve the equation using square roots.

X^2+16=0

x² + 16 = 0

x² = -16 (Adding 16 at both sides of the equation)

√x² = i√16 (Square root to both sides of the equation)

x = +/- 4i (Roots of the solution)

<u>x₁ = 4i</u>

<u>x₂ = -4i</u>

5 0
3 years ago
Read 2 more answers
The area of the patio is 216 square feet. Write an equation that represents the area of the patio
Hoochie [10]

Answer:

216=2w \times w

Step-by-step explanation:

Assuming that the patio is a rectangle, we have

A= l\times w

Where l is the length and w is the width.

Now let's assume that the length of the patio is double than the width.

l=2w

So, the equation that represents this problem is

216=2w \times w

6 0
3 years ago
Lyric spent half of his weekly allowance at the movies. To earn more money, his parents let him clean the windows in the house f
rusak2 [61]

Answer:

This question does not make since.

Step-by-step explanation:

7 0
3 years ago
A new car that is a gas- and electric-powered hybrid has recently hit the market. The distance travelled on 1 gallon of fuel is
Vladimir79 [104]

Answer:

Step-by-step explanation:

Since the distance travelled on 1 gallon of fuel is normally distributed, we would apply the formula for normal distribution which is expressed as

z = (x - µ)/σ

Where

x = the distance travelled.

µ = mean distance

σ = standard deviation

From the information given,

µ = 50 miles

σ = 8 miles

A) P(x > 53) = 1 - P(x ≤ 53)

For x = 53,

z = (53 - 50)/8 = 0.38

Looking at the normal distribution table, the probability value corresponding to the z score is 0.648

B) P(x < 42)

For x = 42

z = (42 - 50)/8 = - 1

Looking at the normal distribution table, the probability value corresponding to the z score is 0.1587

C) P(44 ≤ x ≤ 53)

For x = 44

z = (44 - 50)/8 = - 0.75

Looking at the normal distribution table, the probability value corresponding to the z score is 0.2266

For x = 55,

z = (55 - 50)/8 = 0.63

Looking at the normal distribution table, the probability value corresponding to the z score is 0.7357

Therefore,

P(44 ≤ x ≤ 53) = 0.7357 - 0.2266 = 0.5091

8 0
2 years ago
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