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Ahat [919]
4 years ago
11

Given f(x) = -3x +4, solve for x when f(x) = 1.

Mathematics
2 answers:
icang [17]4 years ago
4 0

f−1(x)=2±√x+1

hope this helped:)

Vikki [24]4 years ago
3 0

Answer:

-2.5

Step-by-step explanation:

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Determine the values of the unlabeled parts of the triangle.
____ [38]

Answer:

∠Q = 63.4º, PQ = 2, QO = 4.47

Step-by-step explanation:

A triangle is a polygon with three sides and three angles. There are different types of triangles such as the equilateral triangle, isosceles triangle, scalene triangle, right angled triangle.

Triangle POQ is a right angled triangle because ∠P = 90°. Also, ∠O = 26.6°.

Therefore in ΔPOQ: ∠P + ∠O + ∠Q = 180° (sum of angles in a triangle).

90 + 26.6 + ∠Q = 180

∠Q + 116.6 = 180

∠Q = 180 - 116

∠Q = 63.4°

We can find PQ and QO using sine rule. Sine rule for ΔPOQ is given as:

\frac{PO}{sin Q}= \frac{PQ}{sinO}= \frac{QO}{sin P}\\\\Finding\ PQ  :\\\\\frac{PO}{sin Q}= \frac{PQ}{sinO}\\\\\frac{4}{sin(63.4)} =\frac{PQ}{sin(26.6)}\\\\PQ= \frac{4}{sin(63.4)} *sin(26.6)\\\\PQ = 2\\\\Also\ finding\ QO:\\\\\frac{PO}{sin Q}= \frac{QO}{sinP}\\\\\frac{4}{sin(63.4)} =\frac{QO}{sin(90)}\\\\QO=\frac{4}{sin(63.4)} *sin(90)\\\\QO = 4.47

4 0
3 years ago
What is b(x)= 3x−16 5x−5 ​ If b = 7
baherus [9]

Answer:

it is in the equation

Step-by-step explanation:

5 0
3 years ago
You operate the cash register at diner. A customer gives you $20 bill to pay for his check, which totals$12.19. How much change
nikklg [1K]

Answer:

7.81 dollars

Step-by-step explanation:

20 which was given to

take away the cost of the bill of 12.19

which will give you how much change you will need to give back

4 0
3 years ago
Acrylic spheres with diameters of 24 cm are used to make award trophies. How much acrylic is needed to make 15 trophies? Use 3.1
choli [55]

1. 27,129.6

2. 7,234.56

3. r=12

hope this helps sry if ther wrong pls don’t be mad if there right u r welcome

6 0
3 years ago
the graph of a linear equation cointains the points (4,1) and (-2,-11). which pint also lies om the graph
makvit [3.9K]
An easy way to answer this problem is to find the mid-point between the two given points, namely  ( (4-2)/2, (1-11)/2 )=(1,-5).

Another way is to find a line through the two points, and select any point on the line.
Slope = (1-(-11))/(4-(-2))=12/6=2
Then use the point slope form to find the line:
y-1=2(x-4)  which can be simplified to
y=2x-7
Put x=0, y=-7  => (0,-7)
Put x=1, y=-5  => (1, -5)   [ as above ]
Put x=2, y=-3  => (2, -3) 
....
4 0
4 years ago
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