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GrogVix [38]
2 years ago
15

I need help please please please

Mathematics
1 answer:
schepotkina [342]2 years ago
7 0

Answer:

$28

Step-by-step explanation:

5.5% is $1.54 of what number? (%/100= is/of)

5.5/100 = 1.54/X

X = (1.54 * 100) / 5.5 = $28

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Answer:

B. 3.45

Step-by-step explanation:

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8 0
3 years ago
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Can someone please give me the answer I will mark u brilliant only for 8
miskamm [114]

Answer:

If it's a rectangle, then point D is (3,-1)

The area would be 7 x 3 = 21 units²

Step-by-step explanation:

7 0
2 years ago
Find the length of the cardioid r=5+5cosθ.
ipn [44]
Hello,

r=5(1+cos t)

r'=5(-sin t)

r²+r'²= 25[(1+cos t)²+(-sin t)²]=50(1-cos t)=50 sin² (t/2)
Between 0 and π, sin x>0 ==>|sin x|=sin x
l= 2*5* \int\limits^{\pi}_0{sin( \frac{t}{2} )} \, dt= 5[-cos (t/2)]_0^{\pi}\\\\
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Here is the method but i may have make some mistakes.






3 0
3 years ago
For which x is f(x)?=-3
Rzqust [24]

Answer:

the answer would be x=10

Step-by-step explanation:

cuz you do a t-chart the put x/-3 then + 10 then - witch is

x=10

8 0
3 years ago
F(x) = 12 + x<br> X<br> f(x)<br> -3<br> -1<br> 0<br> 4<br> 6
katen-ka-za [31]

9514 1404 393

Answer:

  (-3, 9), (-1, 11), (0, 12), (4, 16), (6, 18)

Step-by-step explanation:

The function definition tells you that adding 12 to the x-value will give you the value of f(x).

  -3 +12 = 9, for example

The (x, f(x)) values for the table are shown above.

7 0
2 years ago
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