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ss7ja [257]
3 years ago
14

What is the value of x? 7.5/x= 30/16​

Mathematics
2 answers:
hoa [83]3 years ago
7 0

Answer:

4

Step-by-step explanation:

I divided 30/16 and got 1.875, then I knew that 7.5 would have to have the same answer. I did a process of elimination by dividing 7.5 by numbers at random and finally divided by 4 and got the answer. Another way to get the answer would be to cross multiply the equation.

Yakvenalex [24]3 years ago
6 0
X=4

7.5/4=30/16
120=30x
4=x
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An artist used silver wire to make a square that has a perimeter of 40 inches. She then used copper wire to make the largest cir
rjkz [21]

Answer:

The artist used 8.6 inches more of silver wire

Step-by-step explanation:

Perimeter of the square

P = 4*a

P = 4*a = 40 in

a = 10 in

Each side of the square has a length of 10 in

The diameter of the circle is equal to the length of the side of  the square

Diameter = 10 in

Perimeter of the circle

P_c = 2*π*radius  = π*diameter

P_c = (3.14)*10 in = 31.4 in

Inches of silver wire (square)   =  40 in

Inches of copper wire (circle)   =  31.4 in

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3 0
2 years ago
1st answer gets brainliest!!!
Nastasia [14]
The apothem of this is 13
7 0
3 years ago
Susan bought a bike for $93.75. If the bike was originally $125, what was the percent of discount?
4vir4ik [10]

Answer:

The discount is 25%

Step-by-step explanation:

Divide 93.75 by 125 = 75%

however, that is not the discount.

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6 0
3 years ago
During first semester the ratio of the number of students in art class to the number of students in gym class was 2:7. However t
elena-s [515]
5/4 = 75/g....cross multiply because this is a proportion
5g = 300
g = 300/5
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so in 2nd semester, there were 75 students in art class and 60 students in gym class....for a total of 135 students.

1st semester....ratio was 2:7...added = 9
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gym: 7/9(135) = 945/9 = 105 <=== gym class had 105

4 0
3 years ago
How many ordered pairs (x, y) of positive integers satisfy the inequality 4x + 5y &lt; 20?
lorasvet [3.4K]

Answer:

  6

Step-by-step explanation:

The ordered pairs that satisfy the inequality are shown in the attachment. There are 6 of them.

4 0
2 years ago
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