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tatiyna
3 years ago
11

Question 3: Solve this system. Use the substitution method .A .B .C .D

Mathematics
2 answers:
iren [92.7K]3 years ago
8 0
D hope this helps ._.
stealth61 [152]3 years ago
7 0

Answer:

d

Step-by-step explanation:

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Make q the subject of the formula <br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Ba%7D%7Bp%20%7D%20%20-%20%20%5Cfrac%7Bb%7D%7
alukav5142 [94]

Answer:

q=<u>bp</u>

<u> </u><u> </u><u> </u><u> </u>a- cp

Step-by-step explanation:

<u>a</u> - <u>b</u><u> </u>= c

p q

Multiply through by pq

qa - bp = cpq

qa - cpq = bp

q [a-cq] = bp

q= <u>bp</u>

<u> </u><u> </u><u> </u><u> </u><u> </u>a-cp

5 0
3 years ago
Mr. Kramer has 30 pencils for his class. There are 22 students in his class and he would like
saw5 [17]

Answer:

6

Step-by-step explanation:

Mr. Kramer has pencils for his class = 30

Students in his class = 22

Pencils he would like  to give each student = 2

How many more pencils does Mr. Kramer need to buy so that each student will receive 2 pencils = ?

Total pencils Mr. Kramer need to buy so that each student will receive 2 pencils = 22 × 2

            = 44

            = 44 - 30

            = 6

Mr. Kramer need to buy 6 more pencils  so that each student will receive 2 pencils

5 0
3 years ago
Solve for y 4.2x - 1.4y = 2.1
NeX [460]
4.2x - 1.4y = 2.1
-1.4y = -4.2x + 2.1
y = (-4.2/-1.4)x + 2.1/-1.4
y = 3x - 1.5 <==
3 0
3 years ago
Read 2 more answers
Math question on big ideas math the 1/3 confuses me I hate fractions
jok3333 [9.3K]

a simple way to do away with denominators, is we can simply multiply both sides by the LCD, in this case the LCD is 3, so let's multiply both sides by 3.


\bf 3\left( \cfrac{1}{3}x+y \right)=3(4)\implies x+3y=12\implies 3y=12-x&#10;\\\\\\&#10;y=\cfrac{12-x}{3}\implies \stackrel{\textit{distributing the denominator}}{y=\cfrac{12}{3}-\cfrac{x}{3}}\implies y=4-\cfrac{1}{3}x

6 0
3 years ago
What is 327÷36 for math class
vfiekz [6]
That's easy 327 <span>÷ 36 is  9.083</span>
4 0
3 years ago
Read 2 more answers
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