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Deffense [45]
3 years ago
11

Ted is making a rectangular frame out of wood. The wood costs $1.25 per foot. The sides of the triangle are in a ratio of 4:3:2.

About how much money will Ted ay for wood if the shortest side of the triangle is 14 inches?
Mathematics
2 answers:
HACTEHA [7]3 years ago
7 0
Is rectangular a typo?
Oliga [24]3 years ago
3 0
How are you making a rectangular frame but it needs to be a triangle?
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a person driving along the road moves rates of 56 miles per hour driven.How far does the person drive in 1.5 hours?
givi [52]
84 miles.
You just have to take half of 56 (28) and add it to 56 to get 84

8 0
4 years ago
For questions 3-4, John plays in a summer softball league. He keeps track of the batting averages of
Mars2501 [29]

Considering the given data-set, we have that:

  • The lowest batting average is of 0.254.
  • On the histogram, 5 values would fall into the class 0.251 - 0.280.

<h3>What is an histogram?</h3>

An histogram is a graph that shows the number of times each element of x was observed, or the number of elements x in a range of values, as is used for this problem.

For the given 20 batting averages given in the table, we have that:

  • Looking at all of them, the lowest value of the table is of 0.254, hence the lowest batting average is of 0.254.
  • The measures in the table between 0.251 and 0.28 are: 0.277, 0.265, 0.267, 0.259, 0.254. Hence, this means that on the histogram, 5 values would fall into the class 0.251 - 0.280.

More can be learned about histograms at brainly.com/question/28164315

#SPJ1

4 0
1 year ago
A rectangular picture frame has a length of that is 6 more than its width the perimeter of the frame is 52 inches. what is the l
Hitman42 [59]

Answer:

Width = 10 and Length = 16

Step-by-step explanation:

→ Assign variables to the length and width

width = x so length = 6 + x

→ Make an equation

x + 6 + x + x + 6 + x = 52

→ Simplify

4x + 12 = 52

→ Minus 12 from both sides

4x = 40

→ Divide both sides by 10

x = 10

→ Resubstitute into the previously assigned values

width = 10 so length = 16

3 0
3 years ago
I need help, I have tried looking it up but can’t find any help
german

Answer: \frac{sin (4x)}{cos(14 x)}

Step-by-step explanation:

We have the following expression:

\frac{tan(9x)-tan(5x)}{1+tan(9x)tan(5x)}

In order to work in a better way this expression, let's call \alpha=9x and  \beta=5x and rewrite:

\frac{tan(\alpha)-tan(\beta)}{1+tan(\alpha)tan(\beta)}

Now, we know tan \theta=\frac{sin \theta}{cos \theta}. Let's apply it here:

\frac{\frac{sin (\alpha)}{cos(\alpha)}-\frac{sin(\beta)}{cos(\beta)}}{1+\frac{sin (\alpha)}{cos(\alpha)}\frac{sin(\beta)}{cos(\beta)}}

\frac{\frac{sin(\alpha)cos (\beta)-sin(\beta)cos(\alpha)}{cos(\alpha)cos(\beta)}}{\frac{cos(\alpha) cos(\beta)+sin(\alpha) sin(\beta)}{cos(\alpha)cos(\beta)}}

Simplifying:

\frac{sin(\alpha)cos (\beta)-sin(\beta)cos(\alpha)}{cos(\alpha) cos(\beta)+sin(\alpha) sin(\beta)}

According these trigonometric identities, we have:

sin(\alpha-\beta)=sin(\alpha)cos (\beta)-sin(\beta)cos(\alpha)

cos(\alpha+\beta)=cos(\alpha) cos(\beta)+sin(\alpha) sin(\beta))

Then:

\frac{sin(\alpha-\beta)}{cos(\alpha+\beta)}

Writing again the actual values:

\frac{sin(9x-5x)}{cos(9x+5x)}

Finally:

\frac{sin(4x)}{cos(14x)}

5 0
3 years ago
Keelie has a triangular-shaped card. The lengths of its sides are 3 cm, 4 cm, and 5 cm. Is the card a right triangle?
viva [34]

Answer:

Yes, the card is a right triangle.

Step-by-step explanation:

The card is a right triangle, specifically a 3-4-5 right triangle.

A 3-4-5 right triangle is any right triangle that has side lengths in the ratio of 3:4:5.

The 3-4-5 rule says that any triangle with a side length ratio of 3:4:5 is a right triangle.

So, the card is a right triangle.

5 0
3 years ago
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