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mash [69]
3 years ago
10

Which linear equations have an infinite number of solutions? Check all that apply. (x – ) = (x – left-parenthesis x minus StartF

raction 3 Over 7 EndFraction right-parenthesis equals StartFraction 2 Over 3 EndFraction left-parenthesis StartFraction 3 Over 2 x EndFraction minus StartFraction 9 Over 14 EndFraction right-parenthesis.) 8(x + 2) = 5x – 14 12.3x – 18 = 3(–6 + 4.1x) (6x + 10) = 7(StartFraction one-half EndFraction left parenthesis 6 x plus 10 right-parenthesis equals 7 left-parenthesis StartFraction 3 Over 7 x minus 2 right-parenthesis.x – 2) 4.2x – 3.5 = 2.1 (5x + 8)
Mathematics
2 answers:
allochka39001 [22]3 years ago
4 0

Answer:

a, (x-3/7)=2/3(3/2x-9/14), and c, 12.3x – 18 = 3(–6 + 4.1x).

Step-by-step explanation:

i just answered that question

suter [353]3 years ago
3 0

Answer:

its A and C

Step-by-step explanation:

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Please help me I’m doing a test and it’s very hard to me please it’s worth 200 point of my grade
Nana76 [90]

Answer:

y = 15x

Step-by-step explanation:

For every hour that has gone by, Marco biked 15 miles, therefore, the equation of the line that shows the relationship between the time, x, and the distance, y, is <em>y = 15x</em>.

6 0
3 years ago
What’s is 13.75 of 2/5
ivanzaharov [21]

Answer:

5.5

Step-by-step explanation:

Of means multiply

13.75 * 2/5

27.5/5

5.5

3 0
3 years ago
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What’s the slope of the parallel line that passes through (-19, 14) and (19, 11).
laiz [17]

Answer:

19,12

Step-by-step explanation:

6 0
2 years ago
If 10 miles is about 16 kilometers and the distance between two towns is 45 miles ,use a ratio table to find the distance betwee
diamong [38]
10m : 16 km
x 4.5
45m : 72km.

8 0
3 years ago
Read 2 more answers
Sarah has 284 coins in a piggy bank with a total value of $22.78. Sarah has 173 pennies, 5 more dimes than nickels, the rest are
pickupchik [31]
Let P = number of coins of pennies (1 penny = 1 cent)
Let N = number of coins of nickels (1 nickel = 5 cents)
Let D = number of coins of dimes (1 dime = 10 cents)
Let Q = number of coins of quarters (1 quarter = 25 cents)

a) P + N + D + Q = 284 coins, but P = 173 coins, then:
173 + N + D + Q =284 coins
(1)  N + D + Q = 111 coins

b) D = N + 5 OR D - N =5 coins
(2) D - N = 5 coins

c) Let's find the VALUE in CENTS of (1) that is N + D + Q = 111 coins
5N + 10D + 25 Q = 2,278 - 173 (1 PENNY)
(3) 5N + 10D + 25Q = 2105 cents
Now we have 3 equation with 3 variables:

(1)  N + D + Q = 111 coins
(2) D - N = 5 coins
(3) 5N + 10D + 25Q = 2105 cents
Solving it gives:
17 coins N ( x 5 = 85 cents)
22 coins D ( x 10 = 220 cents)
72 coins D ( x 25 = 1,800 cents)
and 173 P,
proof:
that makes a total of 85+2201800+172 =2,278 c or $22.78




7 0
3 years ago
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