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gizmo_the_mogwai [7]
3 years ago
10

Just number answer 22

Mathematics
2 answers:
Darina [25.2K]3 years ago
6 0

Answer:

40

Step-by-step explanation:

ivann1987 [24]3 years ago
3 0

Answer:

Is a u shape graph and is (4.1) and (2.1) on the graph

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A sample of 184 light bulbs contained 6 defective bulbs, at this rate ,how many defective bulbs would you expect to find in a sa
givi [52]
184 x 7 = 1288
7 x 6 = 42
so you have 42 <span>defective bulbs</span>
4 0
3 years ago
Solve the system of linear equations Y+2.3=0.45x -2y=4.2-7.8
Zina [86]
Solve the following system using substitution:
{y + 2.3 = 0.45 x
{-2 y = -3.6

In the second equation, look to solve for y:
{y + 2.3 = 0.45 x
{-2 y = -3.6

-3.6 = -18/5:
-2 y = -18/5

Divide both sides by -2:
{y + 2.3 = 0.45 x
{y = 9/5

Substitute y = 9/5 into the first equation:
{4.1 = 0.45 x
{y = 9/5

In the first equation, look to solve for x:
{4.1 = 0.45 x
{y = 9/5

4.1 = 41/10 and 0.45 x = (9 x)/20:
41/10 = (9 x)/20

41/10 = (9 x)/20 is equivalent to (9 x)/20 = 41/10:
{(9 x)/20 = 41/10
{y = 9/5
Multiply both sides by 20/9:
Answer:  {x = 82/9
                {y = 9/5
3 0
3 years ago
Read 2 more answers
What is the value of r in this equation? 4(x-3)-r+2x=5(3x-7)-9x
Tomtit [17]

4(x-3)-2+2x=5(3x-7)-9x

4x-12-r+2x=5(3x-7)-9

4x-12-r+2x=15x-35-9x

6x-12-r=15x-35-9x

6x-12-r=6x-35

add 12 to -35 which equals -23.

add 6x+6x it cancels out to 0.

-r=-23

to make r positive just add it -23

since 23 is already negative it would become a positive because a negative + negative= positive

answer: r=23


5 0
3 years ago
In need of an answer (giving brainliest)
noname [10]
C would be your answer
7 0
3 years ago
Read 2 more answers
6+5w-9f-3 use w=3 and f=4
Ganezh [65]
<span>6+5w-9f-3
Substitute the variables for numbers
6+5(3)-9(4)-3
Multiply 5 by 3 and -9 by 4
6+15-36-3
Combine like terms
Final Answer: -18
</span>
7 0
3 years ago
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