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3 years ago

Find the values of angles x, y, z.

Mathematics

2 answers:

My name is Ann [436]3 years ago

7 0

X=80, y=140,z=20
I hope it helps

vlabodo [156]3 years ago

6 0

X = 80 y= 140 Z =20
Good luck

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-1 3/7 • (-3 2/3) = ? A: 3 2/7 B: 5 5/21 C: 11 D: -5 5/21

Anna35 [415]

[|] Answer [|]

$\boxed{5 \ \frac{5}{21}}$

[|] Explanation [|]

$-1 \ \frac{3}{7}$ * $-3 \frac{2}{3}$

-----------

Convert Fractions To Mixed Numbers:

$-1 \ \frac{3}{7}$ = $\frac{-10}{7}$

$-3 \ \frac{2}{3}$ = $\frac{-11}{3}$

Multiply Across:

$\frac{-10 \ * \ -11}{7 * 3}$

= $\frac{110}{21}$

Simplify:

= $5 \ \frac{5}{21}$

$\boxed{[|] \ Eclipsed \ [|]}$

8 0

3 years ago

4x+32=24 show your work

sp2606 [1]

Answer:

x = -2

Step-by-step explanation:

Original equation:

4x + 32 = 24

Subtract 32 from 24

-8

The equation should look like this now:

4x = -8

Divide both sides by 4

x = -2

Hope this helps :)

4 0

3 years ago

ANYONE up???????????????????????????and can i get help with this

Mashcka [7]

Answer:

here's the solution : -

=》2x - 3y = -29

=》x + 6y = 23

=》x = 23 - 6y

now, plugging the value of x in equation 1, we get : -

=》2x - 3y = -29

=》2 (23 - 6y) - 3y = - 29

=》46 - 12y - 3y = -29

=》-15y = -29 - 46

=》y = -75 ÷ -15

=》y = 5

now, plugging the value of y as 5 in equation 2

=》x + 6y = 23

=》x + (6 × 5.2) = 23

=》x = 23 - 30

=》x = - 7

8 0

3 years ago

How do you do this. Please give a full answer and explain why.

OverLord2011 [107]

Law of Exponent

$\displaystyle \large{ {a}^{ - n} = \frac{1}{ {a}^{n} } }$

Compare the terms.

$\displaystyle \large{ {a}^{ - n} = {( - 2)}^{ - 3} }$

Therefore, a = -2 and n = 3. From the law of exponent above, we receive:

$\displaystyle \large{ {( - 2)}^{ - 3} = \frac{1}{ {( - 2)}^{ 3} } }$

Exponent Def. (For cubic)

$\displaystyle \large{ {a}^{3} = a \times a \times a }$

Factor (-2)^3 out.

$\displaystyle \large{ {( - 2)}^{ - 3} = \frac{1}{( - 2) \times ( - 2) \times ( - 2)}}$

(-2) • (-2) = 4 | Negative × Negative = Positive.

$\displaystyle \large{ {( - 2)}^{ - 3} = \frac{1}{4 \times ( - 2)}}$

4 • (-2) = -8 | Negative Multiply Positive = Negative.

$\displaystyle \large{ {( - 2)}^{ - 3} = \frac{1}{ - 8}}$

If either denominator or numerator is in negative, it is the best to write in the middle or between numerator and denominators.

Hence,

$\displaystyle \large \boxed{ {( - 2)}^{ - 3} = - \frac{1}{ 8}}$

The answer is - 1 / 8

3 0

2 years ago

Answer this questionnnnnnnnnnnn

-BARSIC- [3]

There would approximately be 36 ordered triples

4 0

3 years ago