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3 years ago

Select all the equations for which (-6,-1) is a solution. *

Mathematics

1 answer:

ella [17]3 years ago

8 0

1 and 4 hope this helps!

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Two corresponding sides of two similar triangles are 3cm and 5cm. The area of the first triangle is 12cm2. What is the area of t

love history [14]

Answer:

$33\dfrac{1}{3}\ cm^2$

Step-by-step explanation:

If two corresponding sides of two similar triangles are 3cm and 5cm, then the scale factor is

$k=\dfrac{a_1}{a_2}=\dfrac{3}{5}.$

Two similar triangles have their area proportional with the scale factor of $k^2.$

Hence,

$\dfrac{A_1}{A_2}=k^2,\\ \\\dfrac{12}{A_2}=\left(\dfrac{3}{5}\right)^2,\\ \\\dfrac{12}{A_2}=\dfrac{9}{25},\\ \\A_2=\dfrac{12\cdot 25}{9}=\dfrac{100}{3}=33\dfrac{1}{3}\ cm^2.$

3 0

3 years ago

Someone please help!

damaskus [11]

Answer:

Red: -2
Blue: 5
Yellow: -4
Green: 3
Orange: -1

5 0

3 years ago

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What is the value of x in the equation 3x-4y=65, when y=4?

Softa [21]

Answer:

$\boxed{ \bold{ \huge{ \boxed { \sf{x = 27}}}}}$

Step-by-step explanation:

Given, value of y = 4

To find : Value of x

$\sf{3x - 4y = 65}$

plug the value of y

$\dashrightarrow{ \sf{3x - 4 \times 4 = 65}}$

Multiply the numbers : 4 and 4

$\dashrightarrow{ \sf{3x - 16 = 65}}$

Move 16 to right hand side and change it's sign

$\dashrightarrow{ \sf{3x = 65 + 16}}$

Add the numbers : 65 and 16

$\dashrightarrow{ \sf{3x = 81}}$

Divide both sides by 3

$\dashrightarrow{ \sf{ \frac{3x}{3} = \frac{81}{3} }}$

Calculate

$\dashrightarrow{ \sf{ x = 27}}$

Hope I helped!

Best regards! :D

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3 years ago

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What is the answer

dangina [55]

Answer:

b. light energy from the sun.

Step-by-step explanation:

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3 years ago

What would be the slope for a line perpendicular to y = -¼x + 2?

maw [93]

Answer:

m perpendicular= $-\frac{1}{notlinear}$

Step-by-step explanation:

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3 years ago

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