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3 years ago

What is the area of the triangle? 8 4 5

Mathematics

1 answer:

Tpy6a [65]3 years ago

3 0

Answer:

Step-by-step explanation:

1/2 (perpendicular height × base)

1/2(4×8)

2×8

=16

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5tanx-2cotx+1=0...... .

Verdich [7]

Step-by-step explanation:

5(tanx)^2 -2 +tanx=0

let tanx=y

5y^2 + y-2=0

y=0.5403 or y= -0.7403

tanx=0.5403

x=arctan(0.5403)

x=28.38°

tanx=-0.7403

x=arctan(-0.7403)

x=143.49°

7 0

3 years ago

Ron wants to run 6 miles this week. He ran

Yanka [14]

Ron would need to run 3 miles

4 0

3 years ago

Read 2 more answers

Randy said that the number 0.03 has a value 10 times greater than 0.003 is he correct.

pishuonlain [190]

Yes, he is correct. 0.003 * 10 = 0.03

5 0

3 years ago

Please respond to the question below in your own words with proper explanations

ycow [4]

Answer:

$t(400)=673$ .

It means that 673 of 9 inch tiles are required to cover an area of 400 square feet, when spacing the tiles a quarter inch apart.

Step-by-step explanation:

Given:

The function relating number of 9 inch tiles required and area to cover is:

$t(A)=\frac{144}{9.25^2}A$

Now, plug in 400 for $A$ to evaluate $t(400)$ .

$t(400)=\frac{144}{9.25^2}\times 400=\frac{144\times 400}{85.5625}=\frac{57600}{85.5625}=673.19\approx6225$

Therefore, Don required 673 of 9 inch tiles to cover an area of 400 square feet, when spacing the tiles a quarter inch apart.

4 0

3 years ago

Y=3/2x+5 in standard form

Lyrx [107]

Answer:

3x -2y = -5

Step-by-step explanation:

Standard form is ...

ax +by = c

where the leading coefficient (a, or b if a=0) is positive and a, b, c are mutually prime.

Multiplying the equation by 2 gives ...

2y = 3x +5

We can subtract 2y+5 to get standard form:

3x -2y = -5

5 0

3 years ago