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Andreyy89
3 years ago
11

Find the area of the trapezoid could you go​

Mathematics
1 answer:
deff fn [24]3 years ago
6 0

Answer: 11.31372

Step-by-step explanation:

  1. Find the height using pythagorean theorem

1+b^2=9

you should get radical 8

2. Then plug your values into the formula and you get your answer

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Two solution of salt water contain 0.03% and 0.23 salt respectively. A lab technician
n200080 [17]

Answer:

  • 750 mL of 0.23% solution
  • 250 mL of 0.03% solution

Step-by-step explanation:

Let x represent the quantity (in liters) of the higher percentage solution, the 0.23% solution. Then 1-x will be the quantity of 0.03% solution. The amount of salt in the mix is ...

  0.23%·x +0.03%·(1 -x) = 0.18%·1

Multiply by 100% and subtract 3:

  20x = 15

  x = 15/20 = 0.75 . . . . liters of 0.23% solution

  1-x = 1-0.75 = 0.25 . . liters of 0.03% solution

The lab tech needs 750 mL of 0.23% solution and 250 mL of 0.03% solution.

4 0
4 years ago
Margo traveled 528.8 miles on her trip. Write a statement that compares the values of the ones and tenths digits
gavmur [86]

Answer:

In the number 528.8 the value of 8 in the ones place is 10 times the value of 0.8 in the tenths place

Step-by-step explanation:

we have

The number 528.8 miles

Rewrite the number in digits value

528.8=500+20+8+0.8

so

The value of the ones digit is 8 ones or 8

The value of the tenths digit is 0.8 tenths or 0.8

Find the quotient

8/0.8=10

therefore

In the number 528.8 the value of 8 in the ones place is 10 times the value of 0.8 in the tenths place

8 0
3 years ago
What is the value of x?<br><br> A. 6<br> B. 4<br> C. 10<br> D. 16
sweet-ann [11.9K]

D. 16 i hope this helps


5 0
3 years ago
There are 4 quarters in 1 dollar. The total number of dollars is a function of the number of quarters. Does this situation repre
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Linear because the slope will always be the same
3 0
3 years ago
A cab company charges a $3 boarding rate in addition to its meter which is $2 for every mile. What is the equation of the line t
Ipatiy [6.2K]

well im guessing it the average highway speed 60 mph so it is $7

7 0
3 years ago
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