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uranmaximum [27]
3 years ago
8

1.8(b - 5.3) - 4.2=5.8(b -2.3. What is the value of b​

Mathematics
1 answer:
horrorfan [7]3 years ago
6 0

Answer:

b= -0.1

Step-by-step explanation:

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Alicia drew the figure below on a coordinate plane.<br><br> What is the area of the figure?
Ivahew [28]

Answer:

72

Step-by-step explanation:

you multiply the length and the width

8 0
3 years ago
Write an equation of each line in standard form with integer coefficients.<br> 4. y = 2.4x + 1.8
Nadusha1986 [10]

Answer:

<h2>12x - 20y = -9</h2>

Step-by-step explanation:

The standard form of an equation of a line:

Ax+By=C

We have

4y=2.4x+1.8

Convert

4y=2.4x+1.8          <em>multiply both sides by 10</em>

40y=24x+18          <em>subtract 24x from both sides</em>

-24x+40y=18            <em>change the signs</em>

24x-40y=-18          <em>divide both sides by 2</em>

12x-20y=-9

3 0
3 years ago
Twice the difference between a number and 4 is twenty. Find the number.
kogti [31]

Answer:

D 14

Step-by-step explanation:

Let x be the number

2(x-4) = 20

Divide each side by 2

2/2(x-4) = 20/2

x-4 = 10

Add 4 to each side

x-4+4 = 10+4

x = 14

7 0
3 years ago
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What is the volume of a cylinder 7ft radius 18ft height
Iteru [2.4K]

Answer:

a I think is correct yea

7 0
3 years ago
Find the indicated critical z value. Find zα/2 for α = 0.08
snow_lady [41]
Refer to the diagram shown below.
The value of z that yields the expected central area takes into account the excluded areas at both tails.

Half the tail area is α/2 = 0.08/2 = 0.04.
The central area is 1 - 0.04 - 0.04 = 0.92.

From standard normal tables, obtain
z(α/2) = 1.75

Answer: 1.75

6 0
3 years ago
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