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valentina_108 [34]
3 years ago
8

Which expression is equivalent to (5x – 3)(x – 3)?

Mathematics
1 answer:
miv72 [106K]3 years ago
3 0

Answer:

D

Step-by-step explanation:

I'm big brain. hbvuivyvjbbu

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The position function for a free-falling object is s(t) = -16t^2 + vt +5. A ball is thrown upward from the top of a 400-foot bui
mixer [17]

Answer:

6.21 seconds

Step-by-step explanation:

The position function of a free-falling object is,

s(t) = -16t^2+v_0t+s_0

Where,

s_0 = initial height of the object,

v_0 = initial velocity of the object,

Here,

s_0=400\text{ feet}

v_0=35\text{ feet per sec}

Hence, the height of the ball after t seconds,

s(t)=-16t^2+35t+400

When s(t) = 0,

\implies -16t^2+35t+400=0

t=\frac{-35\pm \sqrt{35^2-4\times -16\times 400}}{2\times -16}

t=\frac{-35\pm \sqrt{1225+25600}}{-32}

\implies t\approx -4.02\text{ or }t\approx 6.21

∵ Time cannot be negative,

Hence, after 6.21 seconds the ball will reach the ground.

4 0
3 years ago
Which sequences are geometric? <br><br> Check all that apply.
andre [41]

Answer:

3, 12, 48, 192, ...

3, 15, 75, 375, ...

2, 10, 50, 250, ...

8 0
3 years ago
Do the ratios 2/1 and 20/10 from proportion?
schepotkina [342]
Yes !! i believe so :))
7 0
3 years ago
Sylvia’s aunt asked her to help cut out fabric for a quilt. The figure shows the pattern of one section that is made of triangle
Katen [24]
The correct answer for the question that is being presented above is this one: "90 degrees." Sylvia’s aunt asked her to help cut out fabric for a quilt. The figure shows the pattern of one section that is made of triangles. The <span>degree of rotation clockwise about point B should Sylvia use to prove that ΔABC (pre-image) and ΔIBH (image) use the same amount of fabric is 90 degrees clockwise.</span>
6 0
3 years ago
You are planning a party on a limited budget. In order to do so you will need to determine how much it will cost to rent a space
Mkey [24]

Answer:

$1,267.50

Step-by-step explanation:

assumption;

b = cost of rental space = $780

x = number of guests = 50 people

m = price of food per person = $9.75

y = total budget

y = mx + b

y = (9.75 * 50) + 780

y = 487.50 + 780

y = $1,267.50

7 0
3 years ago
Read 2 more answers
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