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2 years ago

What is the area of this triangle?

Mathematics

2 answers:

stepladder [879]2 years ago

8 0

Answer:

Step-by-step explanation:

A=1/2 bh

saveliy_v [14]2 years ago

8 0

Answer:

A= 25 $in^{2}$

Step-by-step explanation:

Area formula of a triangle:

A= 1/2bh

A= 1/2(10)(5)

A= 1/2(50)

A= 25

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What is the equation of a line that is perpendicular to this line and goes through the

-Dominant- [34]

Answer:

x + 3y + 9 = 0

Step-by-step explanation:

y=3x + 2

Coefficient of x = 3

Gradient (m) of line y= 3x + 2 is 3

Since the line passing through point

(3,-4) is perpendicular to line y=3x + 2

hence gradient (m) of the line is -1/3;

And hence it equation is given as;

y - y1 = m(x - x1)

y - (-4) = -1/3(x - 3)

multiplying through by 3;

3 × y + 3 × 4 = 3 × -1/3(x - 3)

3y + 12 = -1(x - 3)

3y + 12 = -x + 3

x + 3y + 12 - 3 = 0

x + 3y + 9 = 0

5 0

3 years ago

What is the number writren in standard form six million, seven hundred ,twenty

enot [183]

6,720,000. I hope that helps!

4 0

3 years ago

Read 2 more answers

Philip tiene 8 bolas rojas, 3 bolas verdes, 6 bolas amarillas, 13 bolas negras y 15 bolas azules en su bolsa. ¿cuál es la media,

Zielflug [23.3K]

Answer:

Media: 9
Mediana: 8
Moda: 8, 3, 6, 13, 15
Rango: 12

Step-by-step explanation:
Ojala que te ayude ^^

3 0

1 year ago

3.8x = −104.12 what is the answer to the question

Elina [12.6K]

Answer:

-27.4

Step-by-step explanation:

7 0

3 years ago

Caroline puts $400 into a savings account that earns 6% annually. Write a function that represents this situation, where t is th

DaniilM [7]

Answer: 19 years

Step-by-step explanation:

Given

Amount invested $\$400$

Rate of interest $R=6\%$

after 1-year amount becomes

$A=400\left (1+6\%\right)\\A=400\left (1+0.06\right)\\A=400\times 1.06\\A=\$424$

After n years it is

$A=400\left (1.06\right)^n$

Sum accumulated is $\$1200$

$\Rightarrow 1200=400\left(1.06\right)^n\\\Rightarrow 3=\left(1.06\right)^n\\\text{Taking log both sides}\\\Rightarrow n=\dfrac{\ln 3}{\ln 1.06}\\\\\Rightarrow n=18.85\approx 19\ \text{years}$

5 0

3 years ago