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Anna [14]
4 years ago
7

2) A student uses the substitution method to solve the system of equations below algebraically.

Mathematics
1 answer:
Rasek [7]4 years ago
5 0
Pretty sure it's the last one.
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In ΔCDE, m ∠ C = ( x − 4 ) ∘ m∠C=(x−4) ∘ , m ∠ D = ( 11 x − 11 ) ∘ m∠D=(11x−11) ∘ , and m ∠ E = ( x + 13 ) ∘ m∠E=(x+13) ∘ . Find
KatRina [158]

Answer:

<C =10°

Step-by-step explanation:

The sum of angles in a triangle is 180°. Hence,

<C+<D+<E =180

Given

<C =x-4

<D = 11x-11

<E = x+13

Substitute

x-4+11x-11+x+13 = 180

13x-2 = 180

13x =180+2

13x = 182

x = 182/13

x = 14

Get <C

Since <C = x-4

<C = 14-4

<C =10°

4 0
3 years ago
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A parallelogram is sometimes a trapezoid. <br><br> True or False
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A parallelogram is a figure whose opposite sides are parallel. A trapezoid is never a parallelogram.
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4 years ago
What is the measure of
seraphim [82]

Answer:

60⁰ is the answer. akksjdjd

7 0
3 years ago
Natalie is buying potatoes at the grocery store. If she buys 6 potatoes that each have a mass of 375 grams, what is the total ma
larisa [96]

375x6 =2250 g

g to kilogram is divided by 1000

2250/1000 = 2.25 kg

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4 years ago
What is the equivalent of 4/12​
VashaNatasha [74]

Answer:

1/3, 2/6 , 3/9, 5/15, 6/18, 7/21, ....  

There are infinite equivalent fractions to 4/12.

Step-by-step explanation:

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3 years ago
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