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Lostsunrise [7]
4 years ago
11

Solve the system of linear equations.

Mathematics
1 answer:
RoseWind [281]4 years ago
4 0

Answer:

1. No solution

2. Infinite solutions

Step-by-step explanation:

1. To solve the system, set the equations equal to each other and solve for x.

2x - 5 = 2x + 7

-5 = 7

This is a false statement. This means there is no solution.

2. To solve the system, graph each equation.

y = -3/4 x - 5/2 has a y-intercept -5/2 and slope -3/4.

3x + 4y = -10 converts to y = -3/4x -5/2.

This graphs as the exact same line. This system has infinite solutions.

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Which expression is equivalent to −2.1+(−5.9)+(−3.7) ?
frozen [14]
-2.1 - (5.9 + 3.7)

Both equal -11.7 so that is the correct option.

7 0
3 years ago
Corey invested $1500 when he was a freshman in order to save for college. If he chooses to invest it in an account that earns 3.
Tcecarenko [31]

Answer: He will have $1721.28. after 4 years.

Step-by-step explanation:

The formula we use to find the compounded amount A is :

A=P(1+r)^t, where P= principal value, r = rate of interest , t= time.

As per given , we have

P=$1500  , r=3.5%=0.035 , t= 4 years

Money he will have after 4 years = 1500(1+0.035)^4

=1500(1.035)^4\\\\=1721.28450094\approx1721.28

Hence, he will have $1721.28. after 4 years.

4 0
3 years ago
Can u find all the angles plz?
solmaris [256]

Answer:

The two sides we know are O pposite (300) and A djacent (400).

SOHCAH TOA tells us we must use T angent.

Calculate Opposite/Adjacent = 300/400 = 0.75

Find the angle from your calculator using tan-1

:)

3 0
3 years ago
Read 2 more answers
Х
grin007 [14]

Answer:

B. 0

Step-by-step explanation:

2-2/5-2= 0/3= 0

Another way to look at this is that because they have the same y coordinate, it must simply be a horizontal line, which has a slope of 0

3 0
3 years ago
I need help with this other one oof lol
natima [27]

Answer:

66

Step-by-step explanation:

2.2/3 × 2.3/4

6/3×11/4

24×33_ ÷ 12 = 66 I hope u understand

3 0
3 years ago
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