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riadik2000 [5.3K]
3 years ago
14

In which equation does the vertex have a negative x coordinate? select all that apply.

Mathematics
1 answer:
Ne4ueva [31]3 years ago
7 0

answer is 1) y = - 3x^2 -7x + 4

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Wha is the slope of 50,0 and 70,50
motikmotik

Answer:

2.5

Step-by-step explanation:

Use \frac{y_2-y_1}{x_2-x_1} to figure out.

Substitute and solve:

\frac{50-0}{70-50} \\\frac{50}{20} \\2.5

2.5 is the slope.

Hope it helps!

(Mark Me a brainliest after second answerer plz)

7 0
4 years ago
Jamal filled his gas tank and then use 7/16 of the tank for traveling to visit his grandfather. He then used 1/3 of the remainin
alisha [4.7K]

Answer:

The fraction of the tank is filled with gasoline is \frac{3}{8}.

Step-by-step explanation:

Consider the provided information.

Jamal filled his gas tank and then use 7/16 of the tank for traveling to visit his grandfather.

After his first traveling the amount of gas left can be calculated as:

1-\frac{7}{16}

\frac{16-7}{16}

\frac{9}{16}

He then used 1/3 of the remaining gas in the tank to run around town.

That means he left with 2/3 of gas.

\frac{9}{16}\times \frac{2}{3}

\frac{3}{8}

Hence, the fraction of the tank is filled with gasoline is \frac{3}{8}.

8 0
4 years ago
Which ratio is not equivalent to the others?
snow_lady [41]

Answer:

4:7

Step-by-step explanation:

3:5=6:10/2=3:5

9:15=9:15/3=3:5

8 0
4 years ago
Read 2 more answers
Jennifer swam 600 meters in quarter of an hour. What was her speed in meters per second?
zimovet [89]
A 1/4 of an hour= 15 minutes=15*60=900 seconds 
600 meters in 900 seconds means, her rate is 600/900= 2/3 meters in a second.


Hope this helps.
7 0
3 years ago
Please I need some help with both questions.
iVinArrow [24]

Step-by-step explanation:

which questions you were asking

4 0
3 years ago
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