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Liono4ka [1.6K]
3 years ago
11

I need answers taking test​

Mathematics
1 answer:
Softa [21]3 years ago
6 0

Answer:

-1.25

Step-by-step explanation:

The equation is y=-1.25x-1.75

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Solve the equation <br><br> 9x^2 - 64= 0<br><br> 9x^2 + 64= 0
My name is Ann [436]

Answer:

x1= - 8/3 , x2= 8/3

Step-by-step explanation:

4 0
3 years ago
In a certain year the price of gasoline rose by 20% during January, fell by 20% during February, rose by 25% in March, and fell
zavuch27 [327]

Answer:

Fell by 25%

Step-by-step explanation:

+20% January

-20% February (20-20 is zero, so we're back to the original price we started at here)

+25% March

?? April

Currently, we are 25% more than what we had, so to get back to normal, the price needs to go down by 25 percent. This will put us back to zero. Put another way...

+20%-20%+25%-25%=0% (Original Price)

8 0
2 years ago
Anyone who knows this mathematic question will get the brainliest
spayn [35]
The third one is 510 not show in the pic here

7 0
3 years ago
Find the sum of the first 9 terms of the sequence. Show all work for full credit.
Kamila [148]
We can see the sequence goes by decreasing 9 on each number

so the numbers are

2, -7, -16, -25, -34, -43, -52, -61, -70

so adding all these numbers we get

2-7-16-25-34-43-52-61-70

= -306


hope this helped
6 0
3 years ago
A 3-pound bag of bananas costs $2.88. What is the price per ounce?
Alborosie

Answer: 6 cents

Step-by-step explanation:

1 pound = 16 ounces

3 pounds = 48 ounces

2.88 ÷ 48 = 0.06

0.06 = 6 cents.

One ounce of bananas cost 6 cents.

Hope this helps!

4 0
3 years ago
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