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Masteriza [31]
3 years ago
5

Tran is solving the quadratic equation 2x2 – 4x – 3 = 0 by completing the square. His first four steps are shown in the table.

Mathematics
2 answers:
svet-max [94.6K]3 years ago
7 0

Answer:

step 3 i think

Step-by-step explanation:

RoseWind [281]3 years ago
6 0

Answer:

Step 3.

Step-by-step explanation:

On EDG

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Finish the pattern<br> 18, 21, _ , 24, _ , 30
omeli [17]
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18, 21, 24, 27, 30
4 0
3 years ago
Read 2 more answers
Which of the following lists the number of points at which a circle can intersect a triangle
vagabundo [1.1K]

Answer:

E

Step-by-step explanation:

1) Circle can intersect 1 corner of triangle.

2) Circle can intersect 2 sides of triangle 1 time.

3) Circle can intersect 2 sides of triangle 1 time and 1 corner of triangle.

4) Circle can intersect 2 sides of triangle 2 times.

5) Circle can intersect 2 sides of triangle 2 times and 1 side of triangle 1 time.

6) Circle can intersect 3 sides of triangle 2 times

I have attached the picture to understand better and to eliminate any confusions.

7 0
4 years ago
Kelsy can buy 2 pounds of apples for 7$. Write an equation to represent the cost, y, for x pounds of apples?
Crazy boy [7]

Answer: 7x = y

Step-by-step explanation:

3 0
3 years ago
Inspecting Restaurants How many different ways can a city health department inspector visit restaurants in a city with restauran
tankabanditka [31]

Answer:

252 ways

Step-by-step explanation:

The missing details are:

n = 10 --- total restaurants

r = 5 --- restaurants to visit

Required

The number of ways to perform the visitation

The question is an illustration of combination;

So, we have:

^nC_r = \frac{n!}{(n - r)!r!}

This gives:

^{10}C_5 = \frac{10!}{(10 - 5)!*5!}

^{10}C_5 = \frac{10!}{5!*5!}

Expand

^{10}C_5 = \frac{10*9*8*7*6*5!}{5!*5*4*3*2*1}

Cancel out 5!

^{10}C_5 = \frac{10*9*8*7*6}{5*4*3*2*1}

^{10}C_5 = \frac{30240}{120}

^{10}C_5 = 252

4 0
3 years ago
A bacteria population is 2000 at time t = 0 and its rate of growth is 1000 · 5t bacteria per hour after t hours. what is the pop
natima [27]

Since you are given the rate of growth, the population must be computed from the integral ...

\displaystyle p(t)=2000+\int_{0}^{t}{\left(1000\cdot 5^{t}\right)}\,dt=2000+\frac{1000}{\ln{(5)}}\cdot \left(5^{t}-1\right)\\\\=2000+\frac{1000}{\ln{(5)}}\cdot 4\approx 4485\qquad\mbox{after 1 hour}

5 0
4 years ago
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