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2 years ago

What is the area of the triangle?

Mathematics

2 answers:

Likurg_2 [28]2 years ago

6 0

area = 27.225 ft²

the area (A) of a triangle = $\frac{1}{2}$ × base × height

A = 0.5 × 9.9 × 5.5 = 27.225 ft²

Dovator [93]2 years ago

3 0

Area = bh/2
(9.9 x 5.5)÷2 = 27.225 ft^2

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-3 1/2 x 5 5/6. Plz help me what's the answer plz

Kitty [74]

Exact Form: -245/12 , Decimal Form: -20.4166666, or Mixed Number Form: -20 5/12

4 0

2 years ago

F(0) = -5, f(4) = -3

Karolina [17]

Answer:

y = $\frac{1}{2}$ x - 5

Step-by-step explanation:

Given f(0) = - 5 and f(4) = - 3 , then we have the coordinate points

(0, - 5) and (4, - 3)

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

with (x₁, y₁ ) = (0, - 5) and (x₂, y₂ ) = (4, - 3)

m = $\frac{-3+5}{4-0}$ = $\frac{2}{4}$ = $\frac{1}{2}$

The line crosses the y- axis at (0, - 5) ⇒ c = - 5

y = f(x) = $\frac{1}{2}$ x - 5 ← equation of line

4 0

2 years ago

What is 3.12 as a fraction

Vitek1552 [10]

3 3/25 is the answer..

7 0

2 years ago

Which two numbers add up to -19 and multiply to make 35

iris [78.8K]

x+y = -19
x*y = 35

x=-19-y
(-19-y)y = 35
y^2 +19y +35 = 0
y = -2.066965626
therefore x=35/y = -16.93303437

4 0

3 years ago

For what value of x is PQ || BC?<br> A 5<br> B. 6<br> C. 7<br> D. 8

Dahasolnce [82]

Answer:

C. 7

Step-by-step explanation:

$In\: \triangle ABC\\\overline{PQ} \parallel \overline {BC}.. (given) \\$

Therefore, by Basic Proportionality theorem:

$\frac{AP}{PB} = \frac{AQ}{QC} \\\\\therefore \frac{x}{x+7} = \frac{x-3}{x+1} \\\\ \therefore \: \frac{x - x - 7}{x + 7} = \frac{x - 3 - x - 1}{x + 1} \\ (by \: dividendo) \\ \\ \frac{ - 7}{x + 7} = \frac{ - 4}{x + 1} \\ \\ \frac{7}{x + 7} = \frac{4}{x + 1} \\ \\ 7x + 7 = 4x + 28 \\ \\ 7x - 4x = 28 - 7 \\ \\ 3x = 21 \\ \\ x = \frac{21}{3} \\ \\ \huge \red{ \boxed{ x = 7}}$

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3 years ago