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Sliva [168]
2 years ago
10

2a + 3b = 5 b = a - 5

Mathematics
1 answer:
Lunna [17]2 years ago
5 0
<h2>1st Equation:</h2>

Answer for A:

a =  \frac{5 - 3b}{2}

Answer for B:

b =  \frac{5 - 2b}{3}

<h2>2nd Equation:</h2>

Answer:

a = b + 5

<u>hope it helps</u><u>.</u>

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Please help!!
Morgarella [4.7K]

Answer:

Step-by-step explanation:(a)

1.65p+1.36j=118.17 and p+j=79

We can say p=79-j and sub this value in first equation

1.65(79-j)+1.36j=118.17

130.35-1.65j+1.36j=118.17

-0.29=-12.18

j=42, p=79-j, p=79-42=37

(b)

1.65(37)=61.05 and 1.36(42)=57.12

Sanchez class earned more selling pies.

(c)

61.05-57.12=3.93

So Sanchez class made $3.93 more than Kelley class.

7 0
2 years ago
Read 2 more answers
Make d the subject of h = d/3 + 2
Bumek [7]

Answer:

D=3(h-2)

Step-by-step explanation:

h=d/3+2

h-2=d/3+2-2

h-2=d/3

3(h-2)=d/3x3

3(h-2)=d

6 0
3 years ago
the price for dinner in a resteraunt was $80. The customer paid an addition 7% meals tax and left a $15 tip. how much meals tax
Marrrta [24]
Multiply the price of the meal by the sales tax. Tips are added in after tax has been applied, so it would not be added in to calculate the tax.

Tax= Meal Cost * Tax %

=$80 * 7%
convert % to decimal (7% ÷ 100)

=80 * 0.07

=$5.60 sales tax paid


ANSWER: $5.60 was the sales tax the customer paid.
4 0
3 years ago
Given the following vector fields and oriented curves C, evaluate integral F * T dsF = &lt;-y, x&gt; on the semicircle r(t) = &l
luda_lava [24]

Answer:

Answer is 16\pi.

Step-by-step explanation:

4 0
3 years ago
Jack has a rectangular sticker that is 6 centimeters long and 4 centimeters wide.
Solnce55 [7]
Its c because 6*4 = 24
Thats how you find the area
8 0
3 years ago
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