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Harman [31]
2 years ago
13

Hillary bought a sweater that was raised in price from $89 to $106. What was the percent of increase/decrease on the sweater? Ro

und your answer to the nearest tenth of a percent.
Mathematics
2 answers:
Deffense [45]2 years ago
4 0
I believe that the rounded the percentage increase would be 19.1%.

I hope this helped!! ~(^v^)~
Andrei [34K]2 years ago
3 0
The price increase on the sweater is 19.1% (rounded)
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Nataly_w [17]
Oh. I thought you meant 3-6, not questions 3 through 6. Sorry :(
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3 years ago
Find each angle or arc measure.
DerKrebs [107]

Since opposite angles of a cyclic quadrilateral are supplementary,

A= 180-101=79°

B= 180-68=112°

5 0
2 years ago
A college-entrance exam is designed so that scores are normally distributed with a mean of 500 and a standard deviation of 100.
yawa3891 [41]

Answer:

The probability is  0.003

Step-by-step explanation:

We know that the average \mu is:

\mu=500

The standard deviation \sigma is:

\sigma=100

The Z-score is:

Z=\frac{x-\mu}{\sigma}

We seek to find

P(x800)

For P(x>800) The Z-score is:

Z=\frac{x-\mu}{\sigma}

Z=\frac{800-500}{100}

Z=3

The score of Z = 3 means that 800 is 3 standard deviations from the mean. Then by the rule of the 8 parts of the normal curve, the area that satisfies the conficion of 3 deviations from the mean has percentage of 0.15%

So

P(x>800)=0.15\%

For P(x<200) The Z-score is:

Z=\frac{x-\mu}{\sigma}

Z=\frac{200-500}{100}

Z=-3

The score of Z = -3 means that 200 is 3 standard deviations from the mean. Then by the rule of the 8 parts of the normal curve, the area that satisfies the conficion of 3 deviations from the mean has percentage of 0.15%

So

P(x

Therefore

P(x800)=P(x800)

P(x800)=0.0015 + 0.0015

P(x800)=0.003

6 0
3 years ago
La figura mostrada se dividió en tres partes iguales para calcular su área.
levacccp [35]

Answer:

El área de un rectángulo de largo L y ancho A es: L*A.

El área de un triangulo de alto H y base B es: H*B/2.

Ahora veamos las tres figuras:

Rectángulo amarillo:

Largo = 40m

Ancho = 45m

Área = 40m*45m = 1800 m^2

Rectángulo blanco:

Largo = 40m

Ancho = 35m

Área = 40m*35m = 1400m^2

Triangulo azul:

Base = 35m

Alto = 50m

Área = 35m*50m/2 = 875m^2

Area total = 1800 m^2 + 1400m^2 + 875m^2 = 4075m^2

8 0
3 years ago
Casey uses some of his savings on batting practice the cost of renting a batting cage for one hour is six dollars he rents a cag
uysha [10]
6 times 9 equals $54.
4 0
3 years ago
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