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3 years ago

Name the triangle with the following characteristics. sides: 5 cm, 6 cm, 7 cm; Angles: 75° and 60°. yeah

Mathematics

1 answer:

Verdich [7]3 years ago

6 0

Answer:

Step-by-step explanation:

this triangle is regular one

we can't apply the pytahgorian theorem 5²+6²≠7²
the angles have different sizes 75≠60≠45
the sides have different lengths 5≠6≠7

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Help me I don’t understand this

Georgia [21]

40° + 7 = 47
180° - 47 = 133°

Hope this Helps!!

4 0

3 years ago

Read 2 more answers

The linear scale factor of two similar solids is given. Then the surface area and volume of the smaller figure are also given. F

katen-ka-za [31]

Answer:

SA:48 V:144

Step-by-step explanation:

4 0

3 years ago

I need help on 17 and 23 pls

ludmilkaskok [199]

Question # 17 Solution

Answer:

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

Step-by-step Explanation:

The given expression

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

And we have to solve for x₁

So,

Lets solve for x₁.

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

Multiply both sides by x₂ - x₁

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

$m(x_{2}-x_{1})= (y_{2}-y_{1})$

$mx_{2}-mx_{1}= (y_{2}-y_{1})$

$-mx_{1}= y_{2}-y_{1}-mx_{2}$

Divide both sides by -m

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

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

Therefore, $x_{1}= \frac{mx_{2}-y_{2}+y_{1}}{m}$

Question # 23 Solution

Answer:

$n= \frac{bx}{-b + x}$

Step-by-step Explanation:

The given expression

$\frac{nx}{b}-x=x$

And we have to solve for n

So,

Let's solve for n.

$\frac{nx}{b}-x=x$

Multiply both sides by b.

$-bn + nx = bx$

Factor out n.

$n(-b + x)= bx$

Divide both sides by -b + x.

$\frac{n(-b + x)}{-b + x}= \frac{bx}{-b + x}$

$n= \frac{bx}{-b + x}$

Therefore, $n= \frac{bx}{-b + x}$

Keywords: solution, equation

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6 0

3 years ago

39-(15z+48)/27=35 what is z

Hatshy [7]

39-(15z+48)/27=35 39-35=(15z+48)/27 4=(15z+48)/27 108=15z+48 108-48=15z 60=15z z=60/15 z=4

7 0

3 years ago

Use words to explain why the two equations below are equivalent

DiKsa [7]

Answer:

These equations are equivalent because after you solve the equation the answer are the same. For example 2+2 and 3+1 are equivalent. They both equal four. In these problems are x=3 and x=3.5 they are the same beause of the answer on problem 2 6-x. That makes them both have the same answer

Step-by-step explanation:

7x-9=12

+9=+9

7x=21

/7=/7

x=3

4 0

3 years ago