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GrogVix [38]
3 years ago
8

What is the solution to this system ? A. 4,-3 B. No solutions C. 1,0 D. 0,1

Mathematics
1 answer:
dalvyx [7]3 years ago
8 0

Answer:

C. (1, 0)

Step-by-step explanation:

The solution to the this system would be where the 2 graphs intercept. We see from the graph that our intersection points are (-3, 4) and (1, 0).

∴ Our answer choice is C

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What is the solution of 7x + 14 - 3x = 30?<br> O<br> A. 4<br> o<br> B. -11
max2010maxim [7]
X = 4

7(4)+14-3(4)=30

7(-11)+14-3(-11)=-30

So, 4 is the answer because when substituted for X, it gives you 30.
7 0
3 years ago
Read 2 more answers
Jack wants to use a circular rug on his rectangular office floor to cover two small circular stains, each less than π/100 square
stepladder [879]

Answer: YES

Step-by-step explanation:

Hi, to answer this question we have to analyze the information given:

  • Area of each stain=less than π/100 square feet  
  • Each one 3 feet from the nearest wall
  • Area of rug: 9π square feet
  • The centers of the stains are less than 4 feet apart.

First, we have to apply the formula AREA OF A CIRCLE(A)= π r², to obtain the radius of each stain:

π/100 = π r²  

π/100 (1/ π)= π r²  

1/100 = r²

√1/100 =r

r = 1/10 ⇒ radius of each stain

The centers of the stains are less than 4 feet apart, so:

Max diameter needed to cover is 4+ 1/10 + 1/10 = 21/5 = 4.2

Finally, we have to obtain the diameter of the rug to compare:

Area of rug: 9π

: 9π = π r2 ⇒ r= 3  

⇒ d (diameter)= 3 x2 = 6 ft

With statements (1) and (2), we know that the diameter of the rug (6ft) can completely cover both stains (max distance is 4 .2ft)

5 0
3 years ago
How do you solve the equation 9/14=-2
Lostsunrise [7]

Answer: the equation is false

Step-by-step explanation:

7 0
3 years ago
Last year 2394 children participants in special Olympics.504 volunteers helped with these olympics games. If each team had 14 ch
torisob [31]
171 because 2394 divided by 14=171
5 0
3 years ago
Janine and her older sister Ingrid's ages are consecutive even numbers. When Janine's age is divided by seven, and Ingrid's age
a_sh-v [17]

Answer:

Janine is 28. Ingrid is 30.

Step-by-step explanation:

Let the ages be x and x + 2 for Janine and her sister, respectively.

x/7 + (x + 2)/3 = 14

Multiply both sides by the LCD, 21, to get rid of denominators.

21 * x/7 + 21 * (x + 2)/2 = 21 * 14

3x + 7(x + 2) = 294

3x + 7x + 14 = 294

10x = 280

x = 28

x + 2 = 30

Answer: Janine is 28. Ingrid is 30.

4 0
3 years ago
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