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inna [77]
3 years ago
12

3х + 7y - 21 I need helpppp pronto please

Mathematics
2 answers:
kicyunya [14]3 years ago
6 0

Answer:

3x+7(y-3)

Step-by-step explanation:

PtichkaEL [24]3 years ago
5 0

That's the simplest it can go.

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Two similar cylinders have volumes of 480cm3 and 60cm3.
ehidna [41]

Answer:

a,480 over 60=80cm3

b,(c over 24)the whole cubed=480 over 60

c*60=24*480

c=11520/60

=192

6 0
3 years ago
Find two integers whose difference is -6. ( There are many!)
olga nikolaevna [1]

Step-by-step explanation:

There are infinitely many such integers.

x - y = -6            <em>add y to both sides</em>

x = -6 + y → x = y - 6

1. Choose any y value.

2. Substitute for the equation.

3. Calculate the value of x.

Examples:

for y = 0 → x = 0 - 6 = -6

check: -6 - 0 = -6

for y = 10 → x = 10 - 6 = 4

check: 4 - 10 = -6

for y = -9 → x = -9 - 6 = -15

check: -15 - (-9) = -15 + 9 = -6

5 0
3 years ago
What is 8 rounded to the nearest hundred
marishachu [46]

Answer:

0

Since 8 is too small to be rounded to 100, it's rounded down to 0.

3 0
3 years ago
Write the equation of the line that passes through the point (3, -5) and is perpendicular to the line x = 4.
Nadya [2.5K]

Answer:

Step-by-step explanation:

slope of line perpendicular to x=4 is 0

reqd. eq. of line is y=-5

7 0
3 years ago
Michelle has $14 in purse in 5cent 10cent and 20cent coins. If she has an equal number of each coin type, how many coins does sh
Sladkaya [172]
There would be 40 20cent coins, 40 10cent coins, and 40 5cent coins.
8 0
3 years ago
Read 2 more answers
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