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EleoNora [17]
3 years ago
8

How do you find the area of a triangle ??

Mathematics
2 answers:
Lyrx [107]3 years ago
7 0
You have the area of a triangle by this formula;

A = 1/2 × base × height.

and you just plug in which numbers are the base and height to find the area of it.

hope this helps, God bless!
satela [25.4K]3 years ago
5 0
Add up all the sides
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Find the range of each function for the domain {-4, -2, 0, 1.5, 4}. f(x) = 5x^2 + 4
andrew11 [14]
Substitute x with the members of the domain.
f(x) = 5x² + 4

Substitute with the domain of -4
f(x) = 5x² + 4
f(-4) = 5(-4)² + 4
f(-4) = 5(16) + 4
f(-4) = 80 + 4
f(-4) = 84

Substitute with the domain of -2
f(x) = 5x² + 4
f(-2) = 5(-2)² + 4
f(-2) = 5(4) + 4
f(-2) = 20 + 4
f(-2) = 24

Substitute with the domain of 0
f(x) = 5x² + 4
f(0) = 5(0)² + 4
f(0) = 5(0) + 4
f(0) = 0 + 4
f(0) = 4

Substitute with the domain of 1.5
f(x) = 5x² + 4
f(1.5) = 5(1.5)² + 4
f(1.5) = 5(2.25) + 4
f(1.5) = 11.25 + 4
f(1.5) = 15.25

Substitute with the domain of 4
f(x) = 5x² + 4
f(4) = 5(4)² + 4
f(4) = 5(16) + 4
f(4) = 80 + 4
f(4) = 84

The range of the function for those domain is {4, 24, 15.25, 84}
4 0
3 years ago
at best buy a flat screen television with a regular price of 1,790 was reduced by $395 . Assuming 800 customers purchased the te
Margaret [11]
You have to do $1,790 reduced (decreased) by $395 times 800 and your answer is $1166,000
5 0
2 years ago
Solve each system by elimination. -2x + 8y = -30 9x - 16y = 15
galina1969 [7]

Answer: −0.147540984 or 1.911885246

5 0
2 years ago
Read 2 more answers
Help me please and thank you
nordsb [41]

Answer:

m<10 = 92°

m<5 = 106° (I think because of correspondence)

m<8 =92°

m<14 = 74°

m<3 = 106°

<1 and <4 are corresponding angles

<2 and <3 are same side interior angles

<3 and <4 are vertical angles

<4 a d <6 are Alt. Interior Angles

5 0
3 years ago
Solve the inequality.<br><br> 2 - | 2/5x +3 | &gt; 3/5
meriva

Answer:

Inequality form:

-11< x < -4

Interval Notation:

(-11, -4)

7 0
2 years ago
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