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KIM [24]
3 years ago
7

you find a triangle that has an area of 10 sq ft. the height of the triangle is 10 feet. what is the length of the base of the t

riangle?​
Mathematics
1 answer:
Setler [38]3 years ago
7 0

Solution:

Given :

  • Area of triangle = 10 ft²
  • Height of triangle = 10 ft

So, We have to find the Base of Triangle .

Area of triangle = 1/2*b×h, Where represents

  • B represent Base
  • H represent Height

Step : Substitute those value in Formula;

Area of triangle = 1/2 × b × h

10 = 1/2 × b × 11

20 = 11 × b

b = 20/11

b = 1.81 ft

Therefore, Base of Triangle is 1.81 ft

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3 years ago
At time t ≥ 0, the velocity of a body moving along the s-axis is v = t² -5t +4. When is the body moving backwards
katovenus [111]

Answer:

A

Step-by-step explanation:

The velocity of a moving body is given by the equation:

v=t^2-5t+4 ,\, t\geq0

Is the velocity is <em>positive </em>(v>0), then our object will be moving <em>forwards</em>.

And if the velocity is negative (v<0), then our object will be moving <em>backwards</em>.

We want to find between which interval(s) is the object moving backwards. Hence, the second condition. Therefore:

v

By substitution:

t^2-5t+4

Solve. To do so, we can first solve for <em>t</em> and then test values. By factoring:

(t-4)(t-1)=0

Zero Product Property:

t=1, \text{ and } t=4

Now, by testing values for t<1, 1<t<4, and t>4, we see that:

v(0)=4>0,\, v(2)=-20

So, the (only) interval for which <em>v</em> is <0 is the second interval: 1<t<4.

Hence, our answer is A.

7 0
3 years ago
How many terms are in the expression? 9a + 6b + 3c + 1 A) 1 B) 2 C) 3 D) 4
Kaylis [27]

Answer:

D.) there is 9a and 6b ,3c and 1 thats four different terms

Step-by-step explanation:

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2 years ago
Is a acute triangle regular?
mixas84 [53]

Answer:

An equilateral triangle may also be called a "regular" triangle. (A "regular" polygon has all equal sides and all equal angles.)An acute triangle has all angles measuring less than 90º. Note: It is possible for an acute triangle to also be scalene, isosceles, or equilateral.

Step-by-step explanation:

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7 0
2 years ago
Read 2 more answers
What is the volume of a cube with a side length of 3t^5units?<br>Cube V = s^3​
balandron [24]

Answer:

V=27t^{15}\ units^3

Step-by-step explanation:

we know that

The volume of a cube is equal to

V=s^{3}

where

s is the side length of the cube

we have

s=3t^5\ units

substitute in the formula

V=(3t^5)^{3}

V=(3^3)(t^5)^{3}

Remember the power rule

(a^m)^n=a^{m*n} ----> multiply the exponents

so

V=(3^3)(t^{5*3})=27t^{15}\ units^3

6 0
2 years ago
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