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Neko [114]
3 years ago
7

(6.3x10^0)-(5x10^-2) and also (7x10^-3)+(8x10^-1)

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
5 0
1. 6.25 x 10^0
2. 8.07 x 10^-1
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Y * x = 20<br><br> y + x = 9 <br><br> what numbers are y and x equal to?
Ksivusya [100]

y = 9 - x
Substitute into
y \times x = 20 \\ (9 - x) \times x = 20 \\  { - x}^{2}  + 9x = 20 \\  {x}^{2}  - 9x  + 20 = 0 \\ (x - 5)(x -4) = 0 \\  x = 5 \: or \: x = 4
When x = 5,
y = 9 - 5 \\ y = 4
When x = 4,
y = 9 - 4 \\ y = 5

x = 5, y = 4
x = 4, y = 5

Hope this helps. - M
4 0
3 years ago
The lieutenant noted that 0.68 of the frontiersmen at the conclave wore buckskin. If 512 did not wear buckskin, how many frontie
Lubov Fominskaja [6]
1600 is the answer. BRANLIEST? :)
6 0
3 years ago
Read 2 more answers
In two or more complete sentences, describe how you would draw the graph of the solution set for the following inequality. -3m+1
Marat540 [252]

First find the value of m by solving the inequality.

Solving the inequality we get value of m: m>-4

Now, for drawing the graph, a dotted line will be on -4, as values greater than -4 are included in the graph. and all the portion on right side of -4 is included in the graph.

Step-by-step explanation:

We need to draw the graph of the solution set for the following inequality. -3m+18 < 30

First we will solve the inequality and find value of m

-3m+18 < 30

Adding -18 on both sides

-3m+18-18 < 30-18\\-3m

Dividing both sides by -3 and reversing the inequality i.e < is changed into >

\frac{-3m}{-3}-4

So, value of m is: m>-4

So. for drawing the graph, a dotted line will be on -4, as values greater than -4 are included in the graph. and all the portion on right side of -4 is included in the graph.

The graph is shown in figure attached.

Keywords: Solving inequalities

Learn more about Solving inequalities at:

  • brainly.com/question/6703816
  • brainly.com/question/11788572
  • brainly.com/question/4192226

#learnwithBrainly

6 0
4 years ago
Tucker questioned the first 42 dinars to arrive at the restaurant.
vlabodo [156]

Answer:

No, it is not an example of random sampling.

Step-by-step explanation:

Tucker, would have to got to different places around his state/area where he lives. He would have to question more.

6 0
4 years ago
What is the solution to 34x + 95 = 3(14x + 9)?
Nikolay [14]

Answer:

kkj hjnllnkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkjnnj

Step-by-step explanation:

kjknjnkkkkkkllllllllllllllllllllllllll           jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjllllllllllllllllllllnnnnnnjhbtttttttttdf5rrrrrrrrrrrrrr666666666666688fffffrxcd

4 0
3 years ago
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