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notsponge [240]
2 years ago
13

NEED HELP ASAPPPPPPPPPPPOP

Mathematics
1 answer:
DedPeter [7]2 years ago
7 0

Answer:

  1. x - 5y = -5; x -5y = 35
  2. there are no solutions, the lines are parallel so do not intersect

Step-by-step explanation:

<h3>1.</h3>

We judge the x-intercept to be about 5 times as far from the origin as the y-intercept is. If we take the y-intercept of the blue line to be +1, then the equation of that line can be x -5y = -5. The y-intercept of the black line appears to be about 7 times as far from the origin as for the blue line, so the constant will be multiplied by -7: x -5y = 35.

The two equations in the system of equations could be ...

  • x -5y = -5
  • x -5y = 35

__

<h3>2.</h3>

We have assumed the two lines are parallel, so they will not intersect. A point of intersection would be a solution to the system. The system of equations will have no solutions.

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The length of a side of a square is 25cm find the area​
irinina [24]

Answer:

Area of square is 625 cm².

Explanation:

Side (length) = 25 cm

As we know, all the sides of the square are equal.

Further,

Area of the square = (side) ²

Area = ( 25 )²

Area = 625 cm²

Therefore, area of the square is 625 cm².

6 0
3 years ago
In ΔQRS, the measure of ∠S=90°, the measure of ∠R=31°, and QR = 46 feet. Find the length of SQ to the nearest tenth of a foot.
ss7ja [257]

Answer:

SQ=23.7\ ft

Step-by-step explanation:

we know that

In the right triangle QRS

sin(R)=\frac{SQ}{QR} ----> by SOH (opposite side divided by the hypotenuse)

substitute the given values

sin(31^o)=\frac{SQ}{46}

solve for SQ

SQ=\frac{SQ}{46}sin(31^o)=23.7\ ft

4 0
3 years ago
I need this ASAP plz
Sidana [21]

Answer:

5% compounded quarterly equals (1.0125)^4 -1=0.0509453369140625 or 5.09453369140625 % APR

250*(1.0125)^20=$320.51 at the end of 5 years

Step-by-step explanation:

7 0
3 years ago
Sara has swimming lessons every fifth day and driving lessons every third day. If she had a swimming lesson and drving lesson on
allochka39001 [22]

Find the least common multiple of 3 and 5:

3: 3,6, 9,12,15,18,21

5: 5, 10, 15, 20

The least common multiple is 15. This means every 15 days they will be the same day.

Add 15 days to May 5:

5 + 15 = 20

The next day would be May 20

3 0
3 years ago
The internal measures of a cuboidal room are 9m, 5m and 6m respectively. Find the total cost of
kumpel [21]

Answer:

<h3>₹ 1290</h3>

Step-by-step explanation:

The total surface area of the room = 2(LW + WH + LH)

TSA = 2(9*5 + 9*6 + 5*6)

TSA = 2(45 + 54 + 30)

TSA = 2(129)

TSA = 258

Hence the total surface area of the room is 258m²

If 1m² = ₹ 5

258m² = 5(258) = ₹ 1290

The cost of white washing if the ceiling of the room is also whitewashed is ₹ 1290

6 0
3 years ago
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