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rjkz [21]
3 years ago
11

Match each inequality with the number line that represents it.

Mathematics
2 answers:
Rama09 [41]3 years ago
7 0
-3 ≤ x is the same as x ≥ -3 which is 2.
x ≥ 3 is 5.
x ≤ -3 is 4.
x < 3 is 1.
-3 > x is the same as x < -3 which is 3.
emmasim [6.3K]3 years ago
5 0

Answer:

1)  x<3

2) x≥3

3) x< -3

4) x≤ -3

5) x>3

6) x≥ -3

Step-by-step explanation:

We have to match each of the inequalities that is represented in the number line.

1)

The first number line covers the region all the real numbers which are less than 3.

Since, there is a open circle at 3.

so, the inequality is:

x<3

2)

The second number line covers all the real numbers that are greater than or equal to three since the region right to 3 is shaded and there is a closed circle at 3.

Hence, the region is:

[3,∞).

So, the region is:

x≥ 3.

3)

The third number line covers all the real numbers which are less than -3.

i.e. the region (-∞,-3)

Since there is a open circle at -3 so -3 is not included.

Hence, x< -3.

4)

The fourth number line covers all the real numbers that are less than or equal to minus three since the region left of -3  is shaded and there is a closed circle at -3.

Hence, the region is:

(-∞,-3]

So, the region is:

x≤-3.

5)

The second number line covers all the real numbers that are greater than  three since the region right to 3 is shaded and there is a open circle at 3.

Hence, the region is:

(3,∞).

So, the region is:

x> 3.

6)

The second number line covers all the real numbers that are greater than or equal to three since the region right to -3 is shaded and there is a closed circle at -3.

Hence, the region is:

[-3,∞).

So, the region is:

x≥ -3.

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I think its -40 because it looks like you have negative 40 then ur adding 10 
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a recipe uses 3 cups of flour and 2 cups of sugar. imagine the recipe is doubled and that 4 cups of sugar are used. use the unit
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Two triangles can be formed with the given information. Use the Law of Sines to solve the triangles. A = 56°, a = 16, b = 17 (5
Blizzard [7]

Answer:

B = 61.75°

Step-by-step explanation:

The formula for the Law of Sines is given as:

a/ sin A = b/ sin B

In the question, we are given the following values

A = 56°, a = 16, b = 17

We are to solve for B

Hence,

16/ sin 56° = 17/sin B

Cross Multiply

sin B × 16 = sin 56° × 17

sin B = sin 56° × 17/16

sin B = 0.88

B = arc sin(0.88)

B = 61.74536°

Approximately B = 61.75°

7 0
3 years ago
One week, seventy-two percent of the animals that cam to a veterinary hospital were dogs. If there were 230 animals total, how m
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Answer:

165.6

Step-by-step explanation:

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3 0
3 years ago
A 5000 principal is invested in two accounts, one earning 1% interest and another earning 6% interest. If the total interest for
SOVA2 [1]

Answer:

2600 into the account earning 1% interest

2400 into the account earning 6% interest

Step-by-step explanation:

let x= account earning 1% interest

y= account earning 6% interest

we can write

x+y=5000   (equation 1)

.01x+.06y=170   (equation 2)

mulitply equation 1 by .01

.01x+.01y=50

subtract this from equation 2

(.01x+.06y)-(.01x+.01y)= 170-50

.05y= 120

y= 2400

Plug in y= 2400 into equation 1

x+2400=5000

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