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kompoz [17]
3 years ago
8

Help due tomorrow!!!

Mathematics
1 answer:
Natalka [10]3 years ago
7 0

Answer:

<em>x = 108° </em>

Step-by-step explanation:

Sum of measures of exterior angles of a polygon equals 360°

180° - 140° = 40°

68° + 64° + 60° + 40° + x = 360°

252° + x = 360° ⇒ <em>x = 108°</em>

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Solve S= lw + wh+ lh for h. Hint: Use the distributive property to factor out h.<br> the<br> vcloc
Ostrovityanka [42]

Answer:

{ \rm{S = lw + wh + lh}}

• Group the h terms by organised term arrangement :

{ \rm{S = (wh + lh) + lw}}

• Then using distributive property, factorise out the value h so that the reverse is true.

{ \rm{S = h(w + l) + lw}}

• for the variable "lw", divide it by h in order to add it to the bracket of (w + l). Make sure the reverse is true:

{ \rm{S = h(w + l) + h( \frac{lw}{h} )}} \\

• finally, completely factorise out the value h

\hookrightarrow \: \: { \boxed{ \boxed { \rm{ \:  \: S = h(w + l +  \frac{lw}{h} ) \:  \: }}}}

4 0
3 years ago
Josh says that (4)(-7)(-1) is equal to (4)(7). Evangelina says (4)(-7)(-1) is
Vadim26 [7]

Answer:

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Step-by-step explanation:

they are correct because they could simplify it

7 0
3 years ago
Who can help on this for brainliest ?
k0ka [10]

Answer:

6

Step-by-step explanation:

1\frac{1}{2}÷\frac{1}{4}=

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6

Hope this helps!

Pls give brainliest

8 0
3 years ago
Read 2 more answers
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Softa [21]

Answer:

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6 0
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Find the value of x. Your answer must be exact.<br> х<br> 45° 18
ludmilkaskok [199]

Answer:

x = 63

Step-by-step explanation:

Simplifying

x + -18 = 45

Reorder the terms:

-18 + x = 45

Solving

-18 + x = 45

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '18' to each side of the equation.

-18 + 18 + x = 45 + 18

Combine like terms: -18 + 18 = 0

0 + x = 45 + 18

x = 45 + 18

Combine like terms: 45 + 18 = 63

x = 63

Simplifying

x = 63

5 0
3 years ago
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