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Temka [501]
3 years ago
14

140 students were asked about their language classes. Out of 112 who take French, only 34 do not take Spanish. 8 take neither Fr

ench nor Spanish.
Mathematics
1 answer:
Viefleur [7K]3 years ago
5 0
I don’t get it what’s the question
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Y = 1.6x + 48
jekas [21]

Answer:

7.5

Step-by-step explanation:

y=1.6x + 48

so you put 60 where y is

60=1.6x + 48

then you subtract 48 from both sides

60-48=1.6x + 48-48

12=1.6x

then you divide 1.6 by both sides

12/1.6=1.6/1.6x

so your answer will be

7.5=x

and also if you put 7.5 where x is in the equation you will get 60 just so you know that.

6 0
3 years ago
I need your help, please!!!
bekas [8.4K]

Answer:

y=x+20

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Qi. calculate the thickness of a disc of<br>a diameter 14cm and Surface area<br>is 3cm?
Firdavs [7]

Answer:

Thickens (Height) = 0.068 cm

Step-by-step explanation:

Given:

Diameter of disc = 14 cm

Radius of disc = 14 / 2 = 7 cm

Surface area = 3 cm²

Find:

Thickens (Height)

Computation:

Disc is a cylinder in shape

Surface area = 2πrh

3 = 2(22/7)(h)(7)

3 = 44(h)

Thickens (Height) = 0.068 cm

3 0
3 years ago
Based on the Fundamental Theorem of Algebra, how many complex roots does each of the following equations have? Write your answer
Galina-37 [17]
According to the fundamental theorem of algebra, <span>every polynomial of degree n has n complex zeroes.

Part A:

Given

x(x^2-4)(x^2+16)=0 \\  \\ \Rightarrow x(x^4+12x^2-64)=0 \\  \\ \Rightarrow x^5+12x^3-64x=0

Thus, the given polynomial is of degree 5 and hence has 5 omplrex roots.



Part B:

Given

(x^2+4)(x+5)^2 = 0 \\  \\ \Rightarrow(x^2+4)(x^2+10x+25)=0 \\  \\ \Rightarrow x^4+10x^3+25x^2+4x^2+40x+100=0 \\  \\ \Rightarrow x^4+10x^3+29x^2+40x+100=0

Thus, the polynomial is of degree 4 and hence has 4 complex roots.



Part C:

Given

x^6-4x^5-24x^2+10x-3=0

Thus, the given polynomial is of degree 6 and hence has 6 complex roots.



Part D:

Given

x^7+128=0

</span><span>Thus, the given polynomial is of degree 7 and hence has 7 complex roots.</span>



Part E:

Given

(x^3+9)(x^2-4)=0 \\  \\ \Rightarrow x^5-4x^3+9x^2-36=0

Thus, the given polynomial is of degree 5 and hence has 5 complex roots.
4 0
3 years ago
Joe tried to prove that the sum of a triangle's interior angle measures is 180 \degree180°
irina1246 [14]
To find the interior angle measure of any regular polygon, use the formula (n-2) times 180 where n is the number of sides
3 0
3 years ago
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