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tino4ka555 [31]
3 years ago
15

The ratio of shoes sold to sandals was 5:2. if there were 40 sandals sold, how many shoes were sold?

Mathematics
2 answers:
Angelina_Jolie [31]3 years ago
7 0
It'd be best to put it into a proportion.
\frac{2}{5} = \frac{40}{x}
Cross multiply, divide by 2
The answer is 100 shoes.
Nikitich [7]3 years ago
3 0
100 is the answer and plz don't ask for the working out because i can't be bothered to show it 
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Haley's age is 6 years less than half her mother's
Mrrafil [7]
Answer:
X-6= X-16
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4 0
3 years ago
“a railroad bridge spans a gorge 40 feet wide and connects two cliffs at heights of 98 and 158 feet above the bottom of the gorg
VMariaS [17]

Answer:

Height above the bottom gorge is 113 feet

Step-by-step explanation:

The width of the gorge = 40 feet

The height of the higher cliff = 158 feet

The height of the lower cliff = 98 feet

The length of the bridge = √((158-98)² + 40²) = 72.11 feet

The slope of the bridge = (158-98)/40 = 1.5

The length of 1/4 of the bridge from the lower cliff =72.11 - 3/4×72.11 = 18.03 feet

The angle of inclination of the bridge = tan⁻¹(1.5) = 56.31°

The height above the bottom at 3/4 from the higher cliff = The height above the bottom at 1/4 from the lower cliff = 98+ 18.03×sin(56.31 ) = 113 feet

Which can also be found directly from the heights of the two cliffs knowing that 3/4 from the higher cliff = 1/4 from the lower cliff giving;

Height above the bottom gorge = 98 + 1/4×(158 - 98) = 113 feet.

8 0
2 years ago
Jaquin would like to install a rug in her square living room. Her living room has an area of 121 square feet. What should the si
Amanda [17]

Answer:

11 feet

Step-by-step explanation:

All the sides of a square are equal

the area of a square = length²

121 ft² = length²

to determine the length find the square root of the area, 121

√121 = 11 feet

7 0
2 years ago
Adolfo spends $48 on school supplies.The sales tax is 7%.What is the total cost of the supplies?
Ganezh [65]
The answer would be     $51.36

48.00 x 7% = 3.36

48.00 + 3.36 = $51.36
7 0
3 years ago
What is the value of r in the equation?<br> -1.5(4-r)= -12<br> –6<br> –4<br> 4<br> 6
Doss [256]

answer:

I think that the right answer is the first, because:

- 6 + 1.5r = - 12

+ 1.5r = -12 + 6

1.5/1.5 = - 6

r = - 6

7 0
3 years ago
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