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storchak [24]
2 years ago
10

Help help help (11 points)

Mathematics
1 answer:
Papessa [141]2 years ago
5 0

Answer:the answer should be 12

Step-by-step explanation:when having a 1 as the exponent that means that you multiply that number one time so 2 times 2 equals 4 and then 3 times 4 equals 12.hope it helps.

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Find the missing length
natka813 [3]

Answer:

x = 45

Step-by-step explanation:

Corresponding sides of similar triangles will be in same ratio.

\dfrac{x}{x+18}=\dfrac{20}{28}

Cross multiply

x*28 = 20*(x+18)   {Use distributive method}

28x = 20x + 360

28x - 20x = 360

8x = 360

 x = 360/8

x = 45

3 0
2 years ago
#10-12!!! look at picture!!! I don't give out points for free!!! T.T
Tom [10]
F(x)=x
Domain: 1 2 3 4 5 6
Range: 1 2 3 4 5 6

F(x)=2x
Domain: 1 2 3 4
Range: 0 2 4 6
3 0
3 years ago
Read 2 more answers
I’ve got this and one more
Nana76 [90]

Again, a^2+b^2=c^2

c=10

b=9

10 squared is 100

9 squared is 81

100-81=19

The square root of 19, rounded to the nearest hundredth, is 4.36

5 0
3 years ago
Read 2 more answers
5x-2+3x=17+12x-23<br> please show all steps
vlabodo [156]
5x-2+3x=17+12x-23 combine like terms 
8x-2=12x-6
-8x    -8x
-2=4x-6
+6     +6
4=4x divide each side by 4 
x=1 
5 0
3 years ago
Write a sine function that has an amplitude of 5, a midline of 3 and a period of 1/8.
vodomira [7]

Answer:

y=5sin(16pix)+3

Step-by-step explanation:

Amp=5 means our curve is either y=5sin(bx+c)+d or y=-5sin(bx+c)+d.

y=sin(x) has period 2pi.

So y=sin(bx) has period 2pi/b.

We want 2pi/b=1/8.

Cross multiplying gives: 16pi=b

y=5sin(16pix+c)+d

d=3 since we want midline y=3.

y=5sin(16pix+c)+3

We can choose c=0 since we aren't required to have a certain phase shift.

y=5sin(16pix)+3

6 0
2 years ago
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