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Nina [5.8K]
3 years ago
11

Solve the following simultaneous linear+y=3and3x-y=1​

Mathematics
1 answer:
Mumz [18]3 years ago
3 0

Answer:

x=  4/3 and y=3

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What is the y-intercept of the graph of 4y -1=3?
inn [45]

Answer:

(0,1)

Step-by-step explanation:

Simplify the equation to y = 1

A horizontal line always crosses the y axis.

5 0
4 years ago
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Simplify 8/-3 ÷ -4/9<br><br> A. -8<br> B. -6<br> C. 6<br> D. 8
geniusboy [140]

Answer:

C. 6

Step-by-step explanation:

to divide by a fraction multiply by the recirpocal of that fraction.

8/3 ÷ 9/4

reduce the numbers with GCF 4 which equals 2/3 x 9

reduce the numbers with GCF 3 which equals 2x3= 6

4 0
3 years ago
Marisol is panting on a piece of canvas that has an area of 180 square inches the length of the painting is 1 and 1 fourth times
NeTakaya

Answer: Length = 15 inches

Width = 12 inches

Step-by-step explanation:

The painting is rectangular.

Let L represent the length of the painting.

Let W represent the width of the painting.

Area of a rectangle = LW

Marisol is panting on a piece of canvas that has an area of 180 square inches. It means that

LW = 180- - - - - - - - - - -1

The length of the painting is 1 and 1 fourth times the width. It means that

L = 1.25W

Substituting L = 1.25W into equation 1, it becomes

W(1.25W) = 180

1.25W² = 180

W² = 180/1.25

W² = 144

W = √144

W = 12 inches

L = 1.25W = 1.25 × 12

L = 15 inches

7 0
3 years ago
Need help! Can anyone please help me? It would be much appreciated. Please view the attached photo. Will mark as brainliest!
seraphim [82]

Answer:

  B)  0.0073 mm/s

Step-by-step explanation:

The rate of change of area is the product of the circumference and the rate of change of radius:

  dA/dt = C·dr/dt

  dr/dt = (dA/dt)/C

Of course, C = 2πr, so ...

  dr/dt = (7 mm²/s)(2π·152 mm) ≈ 7/955.04 mm/s ≈ 0.0073 mm/s

6 0
3 years ago
I paid $7.47 for 3 pounds of grapes. What is the cost of the grapes as a unit rate?
Vaselesa [24]
$7.47/3= $2.49
$2.49 per pound
6 0
3 years ago
Read 2 more answers
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