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Orlov [11]
2 years ago
6

A shirt is on sale for 30% off the original price of $85.00.

Mathematics
1 answer:
wlad13 [49]2 years ago
5 0

Answer:

59.5

Step-by-step explanation:

30% of 85 is 25.5

85-25.5=59.5

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42 inches to 21 inches
Likurg_2 [28]

Answer:

42:21 as a ratio

Step-by-step explanation:

The way you would make this a ratio was to make inches to inches so it would be 42:21.

7 0
3 years ago
Samantha bought 26 total fish. Each goldfish cost $3 and each guppy costs $4. She spent $86 total. How many guppies did she buy?
Alex787 [66]

Answer:

goldfish is 15 and guppies is 11

Step-by-step explanation:

Given data

let the number of goldfish be x

and the number of guppies be y

so

x+y= 25----------1

and

3x+4y= 86-------2

solve 1 and 2

x+y= 25

3x+4y= 86

from 1

x= 25-y

put this in 2

3(25-y)+4y= 86

75-3y+4y= 86

75+y= 86

y= 86-75

y=11

put y= 11 in 1

x+11= 26

x= 26-11

x= 15

Hence goldfish is 15 and guppies is 11

5 0
2 years ago
prove algebraically that the straight line with equation x = 2y + 5 is a tangent to the circle with equation x^2 + y^2 = 5, i ha
Brums [2.3K]

Answer:

I dont even know

Step-by-step explanation:

too complicated

8 0
3 years ago
Read 2 more answers
The height of a triangle is twice the length of its base. The
lions [1.4K]

Answer:

height = 14.2 m , base = 7.1 m

Step-by-step explanation:

let the base be b then height h = 2b

The area (A) of a triangle is calculated as

A = \frac{1}{2} bh

Here A = 50 , then

\frac{1}{2} × b × 2b = 50

b² = 50 ( take square root of both sides )

b = \sqrt{50} ≈ 7.1 ( to the nearest tenth )

Then base = 7.1 m and height = 2 × 7.1 = 14.2 m

6 0
2 years ago
Please help please help please help please help please help please help
MrRa [10]
I think it’s the last one
4 0
2 years ago
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