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3 years ago

Round 18.68 to the nearest tenth

Mathematics

2 answers:

luda_lava [24]3 years ago

4 0

Hello
The answer is 18.7
GoodLuck Kind Champion!

lara [203]3 years ago

3 0

18,68≈18,7
.......................

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Answer:

0.01 =0.0001

Step-by-step explanation:

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2 years ago

Triangle ABC and Triangle DEF are similar. Find the unknown measures. (t = ? and u = ?)

Marianna [84]

T= 60°

It is an equilateral triangle which means all sides and angles are equal

u= 10m

It is an equilateral triangle which means all sides and angles are the same

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3 years ago

ΔEFG is located at E (0, 0), F (−7, 4), and G (0, 8). Which statement correctly classifies ΔEFG?

MariettaO [177]

Answer:

ΔEFG is an isosceles triangle.

Step-by-step explanation:

Given:

E (0, 0),

F (−7, 4),

G (0, 8)

ΔEFG

Solution:

Distance formula

Distance d = $\sqrt{(x_2-x_1)^2 +( y_2-y_1)^2$

Step 1: Finding the length of EF

By using distance formula,

$EF = \sqrt{(-7 - 0)^2 + (4-0)^2}$

$EF = \sqrt{(49) + (16)}$

$EF = \sqrt{(49) + (16)}\\EF = \sqrt{65}\\$

Step 2: Finding the length of FG

By using distance formula,

$FG = \sqrt{(0-(-7))^2+(8-4)^2}\\FG = \sqrt{(7)^2 +(4)^2}\\FG = \sqrt{49 +16}\\FG = \sqrt{65}$

Step 2: Finding the length of GE

$GE= \sqrt{(0-0)^2 + (0-8)^2}\\\\GE =\sqrt{(-8)^2}\\GE = \sqrt{64}\\GE = 8$

Thus we could see that the sides EF = FG

So it is a isosceles triangle.

6 0

2 years ago

63x^12-35x^6 help pls

zmey [24]

Answer:

7x^6×(9×^6-5)

Step-by-step explanation:

63x^12-35x^6

7x^6×(9×^6-5)

7 0

3 years ago

Plz help will be marked BRAINLIEST <br> Thanks !

zloy xaker [14]

Answer:

The first two

Step-by-step explanation:

Do the parenthesis of the first and you will get the original equation.

Multiple the second with 4 and you will get the original equation too.

6 0

2 years ago

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