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lions [1.4K]
3 years ago
11

Seven less than twice a number is no more than 77

Mathematics
1 answer:
irina1246 [14]3 years ago
4 0
No because 77 is greater than the lowest number
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What is 5 x 3/7 !!! 15 POINTS !!
Sav [38]

Answer: 13/7

Step-by-step explanation: So you add a one on the bottom of the 5 then multiply it. 5X3=13 and 1X7= 7 then you get 13/7.

8 0
3 years ago
In a survey of 100 people, 39 preferred ketchup on their hot dogs. What percent did not
Elena-2011 [213]

Answer:

C. 61%

Step-by-step explanation:

out of 100 people, 39 liked ketchup while 61 did not. The ratio and percentage is 61%

4 0
3 years ago
Read 2 more answers
4> Solve by using Laplace transform: y'+5y'+4y=0; y(0)=3 y'(o)=o
harina [27]

Answer:

y=3e^{-4t}

Step-by-step explanation:

y''+5y'+4y=0

Applying the Laplace transform:

\mathcal{L}[y'']+5\mathcal{L}[y']+4\mathcal{L}[y']=0

With the formulas:

\mathcal{L}[y'']=s^2\mathcal{L}[y]-y(0)s-y'(0)

\mathcal{L}[y']=s\mathcal{L}[y]-y(0)

\mathcal{L}[x]=L

s^2L-3s+5sL-3+4L=0

Solving for L

L(s^2+5s+4)=3s+3

L=\frac{3s+3}{s^2+5s+4}

L=\frac{3(s+1)}{(s+1)(s+4)}

L=\frac3{s+4}

Apply the inverse Laplace transform with this formula:

\mathcal{L}^{-1}[\frac1{s-a}]=e^{at}

y=3\mathcal{L}^{-1}[\frac1{s+4}]=3e^{-4t}

7 0
3 years ago
A burro is standing near a cactus. The burro is 58 in. tall. His shadow is 4 ft long. The shadow of the cactus is 8 ft long. Wha
Sever21 [200]

To find the height of the cactus, make a ratio.

58 inches divided by 4 feet equals x inches divided by 8 feet.

58/4 = x/8

14.5 = x/8

116 = x

The height of the cactus is 116 inches.

8 0
3 years ago
What is the surface area of a sphere with a radius of 11cm? Use 3.14 for pi
vagabundo [1.1K]
I hope this helps you



Area=4.pi.r^2


Area =4.3,14.11^2


Area =1519
6 0
3 years ago
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