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Ede4ka [16]
3 years ago
12

Simplify the expression:

Mathematics
1 answer:
kolbaska11 [484]3 years ago
5 0
1. Pretty sure -2x+4/3
2. x+3/x-4
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Solve 0.9(x-20)=830
Dmitry [639]

Answer:

942.22

Step-by-step explanation:

0.9(x-20)=830

Distribute .9

.9x -18 =830

Add 18 to each side

.9x -18+18=830+18

.9x = 848

Divide each side by .9

.9x/.9 = 848/.9

x =942.22222222

To the nearest hundredth

942.22

7 0
3 years ago
Write 22 decreased by 6 as an algebraic expression
Alona [7]

Answer:

22-6

Step-by-step explanation:

there isnt a variable so the answer is 16

6 0
2 years ago
Read 2 more answers
Find the output, y, when the input,x, is 6.<br> y=
deff fn [24]

Answer:

y = 8

General Formulas and Concepts:

<u>Algebra I</u>

  • Reading a Cartesian Plane
  • Coordinates
  • Functions

Step-by-step explanation:

What the question is asking is for the y-value when the x-value is equal. According to the graph, when x = 6, y = 8. Therefore, y = 8.

8 0
3 years ago
100 POINTS!!! Orthographic projection and isometric projection are two ways to show three-dimensional objects in a two-dimension
shutvik [7]

Example 1:

The pros of Orthographic is that they can show hidden details and all of the connecting parts, they can be annotated to display material and finishes. The pros of Isometric projection is that they dont need many views and it gives accuracy, cons are is created a unorginized apperance by the lack of foreshortening, I would choose Isometric projection because it shows the size of the figure.

Example 2:

Orthographic projection is a good option for showing lots of detail and small things. The limitation is that with all of that detail, they can become quite messy and hard to understand to someone new to them. However, that is one of the pros of Isometric projection. It gives easy detail and is just as good as an Orthographic. Personally, I find Isometric projections easier to interpret.

4 0
3 years ago
Read 2 more answers
! + 3 − 5 = 0; by completing the square
mylen [45]

Answer:

x = 1.19258 and x = −4.19258

Step-by-step explanation:

The given equation is :

x^2+3x-5=0

Keep x terms on the left and move  the constant to the right side  by adding it on both sides.

x^2+3x=5

Take half of the x term and square it.

(3\times \dfrac{1}{2})^2=\dfrac{9}{4}

then add the result to both sides

x^2+3x+\dfrac{9}{4}=5+\dfrac{9}{4}\\\\(x+\dfrac{3}{2})^2=\dfrac{29}{4}\\\\(x+\dfrac{3}{2})=\sqrt{\dfrac{29}{4}}\\\\x=\dfrac{-3}{2}+\sqrt{\dfrac{29}{4}}\\\\x=\dfrac{-3}{2}-\sqrt{\dfrac{29}{4}}

So,

x = 1.19258 and x = −4.19258

Hence, this is the required solution.

6 0
3 years ago
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