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3 years ago

1 punto

Mathematics

1 answer:

Cloud [144]3 years ago

3 0

Answer:

13/15

Step-by-step explanation:

We were told in the question that:

Javier sale de su casa con $125 y gasta 3/5 en el cine y 4/15 en palomitas.

La fracción que representa la fracción del dinero que ha gastado se calcula como:

3/5 + 4/15

Mínimo común múltiplo = 15

= (3 × 3) + (4 × 1) / 15

= 9 + 4/15

= 13/15

Por tanto, la fracción del dinero que ha gastado es 13/15

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Which model represents this word problem?

Monica [59]

Answer:

Step-by-step explanation:

if she has 14 and then spends 5 she will have 9. 4-5=9

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3 years ago

Frank stands 450 feet from the base of the Statue of Liberty. If the Statue of Liberty is 306 feet tall, what is the angle of de

expeople1 [14]

<span>We have a right angled triangle with an opposite of 300.5 ft. (306 - 5.5) and an adjacent of 400 ft. Recalling SOH CAH TOA, tanθ = O/A.
tan(θ) = 300.5/400.
θ = tan^-1(300.5/400).
θ = 36.9°.</span>

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4 years ago

Dana painted a wall in her bedroom that is 10.5 feet tall and 23.5 feet wide. She used exactly 3 quarts of paint to cover the wa

Alenkasestr [34]

Multiply 10.5 and 23.5 to get 246.75. Divide that by 3 and you have your answer, 82.25.

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3 years ago

If the sum of the legs of a right triangle is 49 inches and the hypotenuse is 41 inches, find the length of the other two sides

german

The length of one leg is x inches.
The sum of the legs is 49 inches, so the length of the other leg is 49-x inches.
The length of the hypotenuse is 41 inches.

Use the Pythagorean theorem:
$(\hbox{one leg})^2 + (\hbox{the other leg})^2=(\hbox{hypotenuse})^2 \\ x^2+(49-x)^2=41^2 \\
x^2+2401-98x+x^2=1681 \\
2x^2-98x+2401=1681 \ \ \ |-1681 \\
2x^2-98x+720=0 \\ \\
a=2 \\ b=-98 \\ c=720 \\ b^2-4ac=(-98)^2-4 \times 2 \times 720=9604-5760=3844 \\ \\
x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}=\frac{-(-98) \pm \sqrt{3844}}{2 \times 2}=\frac{98 \pm 62}{4} \\
x=\frac{98-62}{4} \ \lor \ x=\frac{98+62}{4} \\
x=\frac{36}{4} \ \lor \ x=\frac{160}{4} \\
x=9 \ \lor \ x=40$

$
49-x=49-9 \ \lor \ 49-x=49-40 \\
49-x=40 \ \lor \ 49-x=9$

The lengths of the legs are 9 inches and 40 inches.

4 0

4 years ago

6. Tax: If sales tax is figured at 7.25%, how

notsponge [240]

Answer:

1.81,2.54,3.77

Total

8.12

Step-by-step explanation:

To find the tax, multiply the original amount by the tax rate

tax

25 * 7.25%

25 *.0725

Rounding to the nearest cent

1.81

35 * 7.25%

35 *.0725

Rounding to the nearest cent

2.54

52 * 7.25%

52 *.0725

Rounding to the nearest cent

3.77

Total for all three

1.81+2.54+3.77=8.12

4 0

3 years ago

Read 2 more answers