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nlexa [21]
3 years ago
9

Dr. Sandoval, a farm veterinarian, just weighed a particular pig and found out it is 96 kilograms. The last time she checked, th

e pig weighed 100 kilograms. What percent lighter is the pig now?
Mathematics
1 answer:
slega [8]3 years ago
4 0
4% because 100=100% -4 =96
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Find the sum of first 20 to terms of an ap in which d is equal to 7 and 20 second term is 149​
GuDViN [60]

Answer:

1370

Step-by-step explanation:

<h3>Given</h3>
  • AP with d= 7 and a₂₂ = 149
<h3>To find</h3>
  • Sum of first 20 terms
<h3>Solution</h3>

<u>First, let's get the value of the first term:</u>

  • aₙ = a + (n-1)d
  • a₂₂ = a + 21d
  • 149 = a + 21*7
  • a = 149 - 147
  • a= 2

<u>Next, let's find the sum of the first 20 terms</u>

  • Sₙ = 1/2n(2a+ (n-1)d)
  • S₂₀ = 1/2*20(2*2 + 19*7) = 10(4 + 133) = 10*137 = 1370

<u>Answer is</u> 1370

6 0
3 years ago
Read 2 more answers
Find the surface area of the figure below. Round your answer to the nearest hundredth if necessary,
olya-2409 [2.1K]
A= 2(w l + h l + h w) = 224m^2
7 0
3 years ago
Find the area of the figure.
Ivanshal [37]

Step-by-step explanation:

Area of Rectangle at the top =

Length x Width

= 3.5 \times 3 \\  = 10.5 {mm}^{2}

Area of Quarter- Circle = 1/4 x Area of Circle

=  \frac{1}{4} \pi {r}^{2}  \\  =  \frac{1}{4} \pi( {3.5}^{2} ) \\  = 3 \frac{1}{16} \pi {mm}^{2}

Area of Rectangle at the right = Length x Width

= 5.5 \times 3.5 \\  = 19.25 {mm}^{2}

Total Area = Area of 2 Rectangles + Area of Quarter Circle

= 10.5 + 3 \frac{1}{16} \pi + 19.25 \\  = 29.75 + 3  \frac{1}{16}\pi  \\  = 32  \frac{13}{16}\pi {mm}^{2}

I will leave the answer in terms of pi as I'm not sure if you need to round off your answer.

8 0
3 years ago
TO get a certain shade of green paint, Melissa decides to mix 3 gallons of blue paint with 2 gallons of yellow paint. How much b
Harlamova29_29 [7]
You have a fraction of 3/2. 3/2=1.5
Therefore, she needs 1.5 gallons of blue paint per 1 gallon of yellow paint.
7 0
3 years ago
The weights (in pounds) of 30 newborn babies are listed below. find q1. 5.5 5.7 5.8 6.0 6.1 6.1 6.3 6.4 6.5 6.6 6.7 6.7 6.7 6.9
sdas [7]
From the given data we shall obtain the following boxplot, which we can generate the information given:

<span>5.5, 5.7, 5.8, 6.0, 6.1, 6.1, 6.3, 6.4, 6.5, 6.6, 6.7, 6.7, 6.7, 6.9, 7.0, 7.0, 7.0, 7.1, 7.2, 7.2, 7.4, 7.5, 7.7, 7.7, 7.8, 8.0, 8.1, 8.1, 8.3, 8.7

1st Qu=6.425
3rd Qu=7.650

</span>

4 0
3 years ago
Read 2 more answers
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