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2 years ago

The sum of 4 thirteens and 16 thirteens, need answer ASAP :(

Mathematics

1 answer:

Elodia [21]2 years ago

4 0

Answer:

260?

Step-by-step explanation:

I used the equation (4)13+(16)13 and plugged it into my calculator and got 260.

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M x+ B = y solve for B A x+ B y = C solve for x Bh/2 = A, solve for h

quester [9]

Step-by-step explanation:

Mx+B=y

B=y-Mx

Ax+By=C

Ax=C-By

Ax/A=C-By/A

x=C-By/A

Bh/2=A

2 x Bh/2=A x 2

Bh=2A

Bh/B=2A/B

h=2A/B

5 0

3 years ago

What is the length of the altitude of the equilateral triangle below?

Mazyrski [523]

ANSWER

The length of the altitude is $3\sqrt{3}$ units

EXPLANATION

The altitude of a triangle is the vertical height of the triangle.

From the diagram the altitude is $a$

Method 1: We can use Pythagoras theorem to find $a$

$6^2=a^2+3^2$

$6^2-3^2=a^2$

$36-9=a^2$

$27=a^2$

We take the square root of both sides,

$\sqrt{27}=a$

$\sqrt{9\times3}=a$

$\sqrt{9} \times \sqrt{3}=a$

$3\sqrt{3}=a$

Method 2 Using Trigonometry

$sin(60\degree)=\frac{a}{6}$

$6sin(60\degree)=a$

$a=6\times \frac{\sqrt{3}} {2}$

$a=3\sqrt{3}$

6 0

3 years ago

Read 2 more answers

What is the function notation of h(x)={x-3}+1 if h(-5)

galben [10]

Answer:

-7

Step-by-step explanation:

h(x)={x-3}+1 if h(-5)

When h(-5) = {-5-3}+1 ={-8}+1= -8+1=-7

8 0

3 years ago

10(y+3)-4y please help

horsena [70]

Answer:6y+30

Step-by-step explanation:

simplify the expression :)<3

5 0

3 years ago

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Anyone completes all of this gets extra points

aliya0001 [1]

Answer: can you take a closer picture

Step-by-step explanation:

7 0

3 years ago