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2 years ago

WILL MARK CORRECT ANSWER AS BRAINLIEST

Mathematics

2 answers:

Mila [183]2 years ago

7 0

Answer:

Hiiiiiiiii

The answer is −135−(−278)= 143

Butoxors [25]2 years ago

6 0

Answer:

truebutIIIIIIyouyouyouyouyouyouyouyouIIIIIwwwyouIIIIIIIiserror6youyou3swee☺☺☺☺

Step-by-step explanation:

☻

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Simplify the expression to a + bi form:<br> (1 – 6i) + (12 + i)

Alenkasestr [34]

$\\ \sf\longmapsto (1-6i)+(12+i)$

$\\ \sf\longmapsto 1-6i+12+i$

$\\ \sf\longmapsto 1+12-6i+i$

$\\ \sf\longmapsto 13-5i$

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3 years ago

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Need the answer on this

denpristay [2]

None of the answers are correct because it’s definitely not “Given” because x=20 is like an answer. It’s also not “Distributive Property”, “subtraction Property”, and or “Additional Property” b/c there’s nothing that can be distributed, subtract or add. It’s just an answer.

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2 years ago

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Tyina is buying 12 shirts for the drama club. She will

Stolb23 [73]

Answer: if you times 12x2.75 I got 33 some she can spend $33.00 and not go over.

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3 years ago

You go shopping at a local department store with your friend and cousin. You buy one pair of jeans, four pairs of shorts, and tw

VashaNatasha [74]

Answer: Cost per pair of jeans = $ 20

Cost per pair of shorts = $12

Cost per shirt = $8

Step-by-step explanation:

Let x= cost per pair of jeans

y = Cost per pair of shorts

z= cost per shirt.

For you, total cost = x+4y+2z= 84

For your friend, total cost = 2x+y+3z=76

For cousin, total cost = x+2y+z= 52

Required system:

$x+4y+2z=84\ (i)\\ 2x+y+3z=76\ (ii)\\ x+2y+z=52\ (iii)$

from (i), $x=84-4y-2z$ (*)

put this in (ii) and (iii) we get

$2\left(84-4y-2z\right)+y+3z=76\\\Rightarrow\ -7y-z+168=76\ (iv)\\\\ 84-4y-2z+2y+z=52\\\Rightarrow\ -2y-z+84=52 \ (v)$

from (iv), $y=-\frac{z-92}{7}\ (vi)$

$\mathrm{Subsititute\:}y=-\frac{z-92}{7}\ \text{in}\ (v)$

$-2\left(-\frac{z-92}{7}\right)-z+84=52\\\\\Rightarrow\ -2\left(-\frac{z-92}{7}\right)-z=-32\\\\\Rightarrow\ -\frac{5z}{7}-\frac{184}{7}=-32\\\\\Rightarrow\ -5z-184=-224\\\\\Rightarrow\ -5z=-40\\\\\Rightarrow\ z=8$