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devlian [24]
2 years ago
6

Help please! thank you

Mathematics
2 answers:
saveliy_v [14]2 years ago
7 0
The answer should be
a= 0.62
b= 7/9
c= 10/9
Lorico [155]2 years ago
3 0

Answer:

use a hint it usally helps me

Step-by-step explanation:

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In jims class, 5 times has many students take the bus as those who walk. A total of 24 students walk or take the bus. How many m
lubasha [3.4K]
Take bus=5 times walk
b=5w
b+w=24
sub 5w for b
5w+w=24
6w=24
divide both sides by 6
w=4

sub back
b=5w
b=5(4)
b=20

bus-walk=20-4=16

answer is 16 more take the bus than walk
 
7 0
2 years ago
Solve the system of equations using the substitution method.
Karolina [17]
Substitution is where we first Isolate one of the unknowns, express it in terms of the other unknown, and replace the isolated unknown with the other unknown in another equation. So that each time we only need to deal with one unknown. I think you'll get a better idea here:

First name these 2 equations with 1 and 2.
4x + 5y = 7 (1)
y = 3x + 9 (2)

Since y is already isolated in (2), so we can skip the isolation step and continue to substitute.

Substitute (2) into (1).
4x + 5(3x+9) = 7

Expand.
4x + 15x + 45 = 7

Group.
19x + 45 = 7

Shift +45 to the other side and turn it into -45.

19x = 7 - 45
19x = -38

Shift x19 to the other side, turn it into /19.
X = - 38/19
X = - 2

Now we solved x already, we can just substitute x= - 2 back to equation (2).

y = 3(-2) + 9
y = - 6 + 9
y = 3

So, the answers are
x = - 2
y = 3
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2 years ago
Waiting times to receive food after placing an order at the local subway sandwich shop follow an exponential distribution with a
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3 years ago
Which number line best represents the solution to the inequality 3.3w - 9 &gt; -22.2?<br> picture ↓
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Answer:

solve the inequality in the form of w

7 0
3 years ago
MARKING BRAINLIEST <br><br> PLS HELP
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It would be the f(x+3) + 2
4 0
3 years ago
Read 2 more answers
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