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maw [93]
4 years ago
9

PLS HELP ME EZ MATH GIVING 103 POINTS ALL MY POINTS PLS DUE NOW!!!

Mathematics
2 answers:
zysi [14]4 years ago
5 0

Answer:

Part A: 30 + 9x

Part B: 48

Step-by-step explanation:

Part A:

18 + 5x + 4(x + 3)

Use distributive property

18 + 5x + 4x + 12

Combine like terms

30 + 9x

Part B:

x = 2

30 + 9(2)

Use PEMDAS

30 + 18

48

serg [7]4 years ago
3 0

Answer:

Perimeter:

18+4x+12+5x

=30+9x

Part B:

30+9(2)

=30+18

=48

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What are the codinates of triangle abc
topjm [15]

Answer:

A = -1, 1

B= 0, -2

C= -2, -1

Step-by-step explanation:

originally the coordinates are x, y but if it is reflect over the line y = - x which will now turn your coordinates to (-y, -x)

3 0
3 years ago
Molly owes her brother $300.She works for $10 per hour as a checker at the local grocery store.Molly plans to repay her brother
gavmur [86]

Answer: The expression which represents the condition described is given as  4x=300

Step-by-step explanation:

Since we have given that

Amount that Molly owes her brother = $300

Let the number of hours she worked as a checker be x

Cost of per hour = $10

Amount she get after doing work for x hours is given by

10x

Rate of tax are taken out = 80%

So, amount she left with is given by

\frac{100-20}{100}\times 10x\\\\=\frac{80}{100}\times 10x\\\\=8x

So, Molly plans to repay her brother half of what she earns is given by

\frac{8x}{2}=4x

According to question,

4x=300\\\\x=\frac{300}{4}\\\\x=75\ hours

So, the expression which represents the condition described is given as

4x=300

3 0
4 years ago
Read 2 more answers
10. (07.07 LC)
Serhud [2]

Answer:

81

Step-by-step explanation:

(9x - 4)(9x + 4) = ax² - b

81x² - 36x + 36x - 16

= 81x² - 16

=> a = 81

6 0
3 years ago
Hi free poopo yaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaay
vova2212 [387]

Answer:

hi yayyyyyyyyyyyayayayaya

Step-by-step explanation:

4 0
3 years ago
-6(7a-4)=-3(a-7)+3 ??
garik1379 [7]
<h3><u>The value of a is equal to 0.93.</u></h3>

-6(7a - 4) = 3(a - 7) + 3

Distributive property.

-42a + 24 = 3a - 21 + 3

Add 42a to both sides.

24 = 45a - 21 + 3

Combine like terms.

24 = 45a - 18

Add 18 to both sides.

42 = 45a

a = 0.93

3 0
3 years ago
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