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lord [1]
4 years ago
7

Which system of equations has one solution?

Mathematics
2 answers:
Alexxx [7]4 years ago
5 0

Step-by-step explanation:

As these two lines are not parallel so going to intersect at one point so having one solution

ehidna [41]4 years ago
3 0

Answer:

A is correct, when two lines have 1 intersection (1 solution).

Step-by-step explanation:

B Two lines are parallel => No intersection (no solution).

C Two lines are coincident => Many intersection (many solutions).

Hope this helps!

:)

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What is the sum? <br> Thank you!
timurjin [86]

Answer:

50 is the sum

Step-by-step explanation:

-10+20=10

10+-40=-30

-30+80=50

5 0
3 years ago
Use the marked parallel lines to find the value of y in the diagram below.
wolverine [178]
3x - 45 = 2x + 5
3x - 2x = 5 + 45
x = 50

4y - 1 + 2x + 5 = 180
4y + 2(50) + 4 = 180
4y = 180 - 4 - 100 = 76
y = 76/4 = 19.

y = 19
6 0
4 years ago
Aldo rented a truck for one day. There was a base fee of $18.95, and there was an additional charge of 87 cents for each mile dr
sleet_krkn [62]

Answer:

about 198 miles

Step-by-step explanation:

183.38

- 18.95

_______

164.45 divided by .87 is 198.0229885057

4 0
2 years ago
The coefficients of the first four terms in the expansion of (a + b)^5 are a) 1, 3, 5, 7 b) 1, 4, 6, 4 c) 1, 2, 3, 4, 5 d) 1, 5,
Ann [662]

Answer:

the answer is D

Step-by-step explanation:

when expanded (a+b)^5 is a^5+5a^4 b+10a^3 b^2+10a^2 b^3+5ab^4+b^5

and as you can see the answer is 1 5 10 10 these are the first four coefficients

7 0
3 years ago
Read 2 more answers
Mary has $6,000 saved for her college education. She invested that money at 2.3% interest per year. Suppose her account earned i
igomit [66]

Answer:

Interest= $423.59

Step-by-step explanation:

Giving the following information:

Initial investment (PV)= $6,000

Number of periods (n)= 3 years

Interest rate (i)= 2.3% = 0.023

<u>To calculate the Future Value, we need to use the following formula:</u>

FV= PV*(1+i)^n

FV= 6,000*(1.023^3)

FV= $6,423.59

<u>Now, the interest earned:</u>

<u />

Interest= 6,423.59 - 6,000

Interest= $423.59

8 0
3 years ago
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