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spin [16.1K]
3 years ago
7

Need help solving this for two points for a graph...3x+3=0​

Mathematics
1 answer:
coldgirl [10]3 years ago
7 0

3x + 3 = 0 //Subtract -3 on both sides

3x = -3 //Divide 3 on both sides

x = -1

Here x = -1 and y is all the values where x = -1, so basically from negative infinity to infinity.

Make sure when writing the solution, y is any value and x stays the same.

Solution: (-1,0) and (-1,1)

//Hope this helps

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Emily was going to sell all of her stamp collection to buy a video game. After selling half of them she changed her mind. She th
siniylev [52]

Answer:

starts wuth 46, and sells half, so she has 23. then when she buys 17 more she then has 40.

if you are asked to show work its 46/2=23, then 23+17=40!

7 0
3 years ago
Read 2 more answers
New streetlights will be installed along a section of the highway. The posts for the streetlights will be 7.5 m tall and made of
SIZIF [17.4K]
First, we determine the volumes of the posts may it be cylindrical in shape or rectangular prism. 

(A) cylindrical:
                         ( π(26.7/100)² - π(24.2/100)²)*(7.5) = 0.3 m³
(B) rectangular prism:
                          (40/100)²(7.5) - (35/100)²(7.5) = 0.28125 m³

Then, we calculate for the amount of substance
 (A) cylindrical:   (0.3 m³)(2700 kg/m³) = 810 kg
 (B) rectangular prism : (0.28125 m³)(2700 kg/m³) = 759.375 kg

Then, calculate for the costs
 (A) (810 kg)($0.38/kg) = $307.8
 (B) (759.375 kg)($0.38/kg) = $288.56

Thus, the answer for A is rectangular post 
B. About $19.24 can be saved. 
6 0
3 years ago
Explain how the position of the decimal point changes in a quotient as you divide by increasing powers of 10.
Darya [45]
The decimal adds a zero every time the powers of ten increase for example if u do                                                                                                                                                                                                                                                                                                                                                                                                                 1 x  10^{2}=100 if u do                                                                                                1x10x^{3}=1,000
3 0
3 years ago
Angles E and Fare in ration 2:5. If the sum of E+F=70, What are the
LenKa [72]

Answer:

E is equal to 20 and F is equal to 50. 20(E)+50(F)=70

3 0
3 years ago
Read 2 more answers
Plss answer my questions​
KIM [24]

Answer:

a) 450. b) 1:1.25 c) 32 rooms

Step-by-step explanation:

1. 100*4.5 = 450

2. 16:20 divide by 4 -> 4:5  (simplifies to 1:1.25)

3. 64/2 = 32 rooms needed. They have 16.

Sorry if answers are wrong, the picture quality is really poor for me.

8 0
2 years ago
Read 2 more answers
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