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4 years ago

20 POINTS HURRY PLEASE

Mathematics

2 answers:

grin007 [14]4 years ago

7 0

right triangle

Step-by-step explanation:

i already did this one so this is the correct answer your welcome well this is her sister i took her phone but you may get it correct

irina1246 [14]4 years ago

4 0

Answer:

Not a right-angle triangle

Step-by-step explanation:

15² = 12² + 8²

225 = 144 + 64

225 = 208 is a false statement

So not a right angle triangle

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Find the value of the expression log27√3

slega [8]

$\log _{ 27 }{ \left( \sqrt { 3 } \right) } \\ \\ =\frac { \log _{ 3 }{ \left( \sqrt { 3 } \right) } }{ \log _{ 3 }{ \left( 27 \right) } }$

$\\ \\ =\frac { \log _{ 3 }{ \left( { 3 }^{ \frac { 1 }{ 2 } } \right) } }{ 3 } \\ \\ =\frac { \frac { 1 }{ 2 } \log _{ 3 }{ 3 } }{ 3 } \\ \\ =\frac { \frac { 1 }{ 2 } }{ 3 }$

$\\ \\ =\frac { 1 }{ 2 } \cdot \frac { 1 }{ 3 } \\ \\ =\frac { 1 }{ 6 }$

5 0

4 years ago

Read 2 more answers

Two times the sum of a number and 9 is half the number

Pavel [41]

Answer:

Equation:

2(a+9) = a/2

Solve:

The umber is:

-12

Step-by-step explanation:

Equation:

2(a+9) = a/2

Solve:

2*a + 2*9 = a/2

2a + 18 = a/2

2a - a/2 = -18

4a/2 - a/2 = -18

3a/2 = -18

a = -18*2/3

a = -12

Check:

2(-12+9) = -12/2

2(-3) = -12/2 = -6

4 0

3 years ago

Further Arithmetic Sequence Exercises

sweet-ann [11.9K]

Answer:

1. 465

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4 years ago

In ΔCAB, if m∠A = 10x + 9, m∠B = 34°, and m∠C = 97°, what is the value of x?

Zolol [24]

x = 4

Here is why:

When adding up all angles of a triangle, they will be equal to 180.

Let's add ∠B and ∠C together.

$34+97=131$

Let's subtract it from 180, that will be the value of ∠A.

$180-131=49$

Now we can set ∠A equal to 49.

$10x+9=49$

Subtract 9 from both sides.

$10x=40$

Divide.

x = 4

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3 years ago

Which function passes through the points (2, 3) and (4, 4)?

Anon25 [30]

Answer: c

Step-by-step explanation:

3 0

3 years ago