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kupik [55]
3 years ago
13

Solve (4 - x ≤ -1) ∩ (2 + 3x ≥ 17).

Mathematics
2 answers:
velikii [3]3 years ago
6 0
The upside down 'U' shape means intersection which means find the terms that are in both of the groups so  for example (2,4,6,7)<u /> (upside down U shape) (3,5,7) the answer would be (7) because 7 is in both of the sets
<u><</u> means less than or equal to
<u>></u> means more than or equal to
so so 4-x<u><</u>-1
if we convert this to x=something then
add x to both sides
4<u><</u>x-1
add 1 to both sides
5<u><</u>x

the second equation is 2+3x<u>></u> 17
subtract 2 from both sides
3x<u>></u>15
divide both sides by 3
x<u>></u>5

so the intersection of 5<u><</u>x and x<u>></u>5 is 5<u><</u>x<u>></u>5 or 5<u><</u>x so the solution set is x={x|x<u>></u>5} or any number more than or equal to 5 will work<u />
belka [17]3 years ago
3 0
4-x \leq -1\ \ \ | subtract\ 4\ \ \ \ \ and\ \ \ \ 2+3x \geq 17\ \ \ | subtract\ 2\\\\&#10;-x \leq -5\ |*(-1)\ \ \ \ and\ \ \ \ 3x \geq 15\ \ | divide\ by\ 3\\\\&#10;x \geq 5\ \ \ \ \ and\ \ \ \ x \geq 5\\\\&#10;Solution\ is\ x\in[5,+\infty)
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2 years ago
Uv = 8 and wx=5 find the missing measure of a rhombus
Harlamova29_29 [7]

Answer:

  • TU = UV = VW = WT = 8
  • WX = UX = 5
  • XV = XT = √39

Step-by-step explanation:

At first we should know the following about the rhombus

1) All sides are congruent

2) The diagonals are perpendicular and bisects each other.

Given UV = 8 and WX = 5

So, according to (1)

TU = UV = VW = WT = 8

And according to (2)

WX = UX = 5

And ΔWXV is a right triangle at ∠x

So, XV² = WV² - WX² = 8² - 5² = 64 - 25 = 39

∴XV = √39

So, XV = XT = √39

So, the missing measure of a rhombus are as following:

  • TU = UV = VW = WT = 8
  • WX = UX = 5
  • XV = XT = √39
3 0
2 years ago
Use the graph to find the factorization of x^2 - 7x + 12.​
harkovskaia [24]

Answer:(x-3)(x-4)

Step-by-step explanation:Basically, the intercepts of the graph, 3 and 4, are when the graph is equal to zero, which is why is (x-3)(x-4) and not (x+3)(x+4).

3 0
2 years ago
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a jacket cost 4 times as much as a shirt. if the total cost of the jacket and shirt is $280, how much does the shirt cost ------
Vedmedyk [2.9K]

The answer I got was A.)$56.

Hope this helps!<3

Comment if you need help on how I got that answer!

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2 years ago
5 1/4 of what number is 42
amid [387]

Answer:

8

Step-by-step explanation:

5 1/4 =5.25

42/5.25 = 8

8×5.25 = 42

4 0
3 years ago
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