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andre [41]
3 years ago
6

Which number line correctly shows 0.8 + 0.3? Help

Mathematics
1 answer:
Aliun [14]3 years ago
6 0

Answer:

search it up please :)

Step-by-step explanation:

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The vertex of this parabola is at (-5, -2). When the x-value is -4, the y-value is 2. What is the coefficient of the squared exp
Montano1993 [528]

Answer:

The coefficient of the squared expression in the parabola equation is a=4

Step-by-step explanation:

The equation of a parabola in its vertex form is:

y = a(x-h) ^ 2 + k

Where the vertex of the parabola is the point (h, k)

a is the ceoficiente of the term to the square.

We need to find the equation of a parabola that has its vertex in the point:

(-5, -2)

So:

h = -5\\\\k = -2

Therefore the equation is:

y = a(x - (-5)) ^ 2 -2\\\\y = a(x + 5) ^ 2 -2

We know that the point (-4, 2) belongs to this parable. Then we can find the value of a by replacing the point in the equation of the parabola

(2) = a((-4) + 5) ^ 2 -2\\\\2 = a(1) ^ 2 -2\\\\2 = a -2\\\\a = 4

Finally the coefficient is a = 4

7 0
3 years ago
Ok remember these things im saying before you do the answer A=1 B=3 C=2 D=4 E=5 What is A-6+D-C-B=?
Marat540 [252]

Answer:

the answer is 0

5 0
3 years ago
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Figure on the right shows line A is parallel to line B and line C intersects lines A and B to form 8 angles Wich two angles are
Fed [463]

Answer:

<u>B</u><u>.</u><u> </u>

Step-by-step explanation:

We answer that before thank you

3 0
3 years ago
A parking lot is 20 feet long. One tortoise starts at the edge of the parking lot and moves at a rate of 6 feet per minute. Anot
anygoal [31]

Answer:

Kindly check explanation

Step-by-step explanation:

Length of parking lot = 20 feets

Speed of tortoise which starts at the edge = 6 feets per minute

Speed of tortoise which starts 4 feets from the edge = 2 feets per minute

Equation to represent when they will be in the same spot.

Distance = speed * time

Distance of Tortoise at edge = 6ft/min * t = 6t - - (1)

Distance of the other tortoise = (4 + 2t) - - - (2)

Equating both (1) and (2)

6t = 4 + 2t

6t - 2t = 4

4t = 4

t = 4/4

t = 1

Hence, they'll be at the same spot after 1 minute.

6 0
3 years ago
Help plz this is due tomorrow
scZoUnD [109]
13-11 9/20 = 1 11/20 sooo G
3 0
3 years ago
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