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Lorico [155]
3 years ago
11

Given the equation 1/2(b × h), the area of a triangular roof section with a base of 7 feet and a height of 3.5 feet is _____.

Mathematics
1 answer:
kow [346]3 years ago
3 0

Answer:

12.25 feet

Step-by-step explanation:

1/2(b × h)

1/2(7 × 3.5)

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FIRST PERSON TO ANSWER GETS BRAINLIEST OR FIVE STARS Define the domain and range of the function.
uysha [10]

Answer:

Domain: (-∞, ∞)

Range: (-∞, ∞)

Step-by-step explanation:

The domain are the x-values included in the function (the horizontal axis).

The range are the y-values included in the function (the vertical axis).

The two arrows on the ends of the line (pointing upwards and downwards respectively) indicate that the function goes in those direction for infinity. Therefore, if there are an infinite amount of y-values, the range is (-∞, ∞).

While the slope is quite steep, there is still a slope and slowly "expands" the line on the horizontal axis. Because there is no limit to the y-values, the domain will also expand infinitely. Therefore, the domain is also (-∞, ∞).

7 0
1 year ago
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In the collection of beads, StartFraction 4 Over 20 EndFraction are blue. Which model shows the percent of beads that are blue?
jolli1 [7]

Option B model shows the percent of beads that are blue.

Solution:

Fraction of beads blue = \frac{4}{20}

To convert it into percent multiply the fraction by 100.

$\text {Percent of} \ \frac{4}{20}=\frac{4}{20}\times 100\%

                     $=\frac{4\times 100}{20} \%

Cancel the common factors, we get

                    = 20%

                    $=\frac{20}{100}

This means total number of boxes 100 and shaded in blue color 20.

Therefore option 2 represents \frac{20}{100}.

Hence option B model shows the percent of beads that are blue.

8 0
3 years ago
Jasmine rides her bike 9 miles in 50 minutes. what is jasmines speed per hour
Firdavs [7]

<u>Given</u>:

Given that Jasmine rides her bike 9 miles in 50 minutes.

We need to determine the speed per hour.

<u>Time per hour:</u>

The time taken is 50 minutes. We need to convert minutes into hours.

Thus, we have;

\frac{50}{60}=\frac{5}{6} \ hr

Thus, the time taken to cover 9 miles is \frac{5}{6} h r

<u>Speed:</u>

The speed can be determined using the formula,

Speed =\frac{Distance}{Time}

Substituting the values, we have;

Speed =\frac{9}{(\frac{5}{6})}

Simplifying, we get;

Speed =9 \times {\frac{6}{5}}

Speed =\frac{54}{5}

Speed = 10.8

Thus, Jasmine's speed is 10.8 miles per hour.

3 0
3 years ago
A curve is given by the parametric equations x = cos 2t * a * n * d * y = sin t , then the cartesian equation of the curve is gi
Dafna11 [192]

Answer:

Y² = (1-X) / 2

Step-by-step explanation:

According To The Question, We Have

X= Cos2t  &   Y= Sint

the cartesian equation of the curve is given by Y² = (1-X) / 2 .

Proof, Put The Value of X & Y in Cartesian Equation, We get

Sin²t = {1-(1-2×Sin²t)} / 2         [∴ Cos2t = 1 - 2×Sin²t]

Taking R.H.S

  • (1-1+2×Sin²t)/2
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Is the expression (5x5)^3 equivalent to 5x5^3
Vadim26 [7]
Answer: No it’s not……
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