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Zepler [3.9K]
3 years ago
10

***MARKED BRAINLIEST***​

Mathematics
1 answer:
denis23 [38]3 years ago
4 0

Answer:

D is the answer

Step-by-step explanation:

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Pls help me I don’t get it
Minchanka [31]

Answer: C

Step-by-step explanation: Hope this help :D

4 0
3 years ago
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BRAINLEST
Debora [2.8K]
I believe it's cones, cylinders, and spheres, hope this really help, and good luck 
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3 years ago
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In 1960, the population of a town was 14 thousand people. Over the course of the next 50 years, the town grew at a rate of 30 pe
andre [41]

SOLUTIONS

Given: Assume y is the population

\begin{gathered} t=0=1960,y=14030 \\ t=1=1961,y=14060 \\ so\text{ b = 14000} \\ so\text{ k = 30} \end{gathered}

The town grow at the rate of 30 people per year.

y=kt+14000y=30t+14000

(A) The population predicted to be in 2030 will be

\begin{gathered} 2030-1960=70 \\ y=30k+14000 \\ y=30(70)+14000 \\ y=2100+14000 \\ y=16100people \end{gathered}

(B) so when y = 15000, find t

\begin{gathered} y=15000 \\ y=30t+14000 \\ 15000=30t+14000 \\ 15000-14000=30t \\ 1000=30t \\ t=\frac{1000}{30} \\ t\approx33 \\ t=1960+33 \\ t=1993 \end{gathered}

3 0
11 months ago
7x+11 >5x-5 Can someone helpp
PSYCHO15rus [73]

Answer:

x>-8

Step-by-step explanation:

7x+11>5x-5

2x+11>-5

2x>-16

x>-8

the > sign acts like an equal sign :)

7 0
3 years ago
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The axis of symmetry for the graph of the function f start bracket x end bracket equals one-quarter x square plus b x plus 10 is
zimovet [89]

The value of b is -3.

<h3>What is axis of symmetry?</h3>

Axis of symmetry is a line that divides an object into two halves,thereby creation a mirror like reflection of either side of the object.

Now the given function is,

f(x) = 1/4 x^2 bx + 10

and axis of symmetry is at x = 6

Now the quadratic function in standard form is given as,

f(x) = a x^2 bx + c

By comprison we get,

a = 1/4

c = 10

Since axis of symmetry is a vertical line

x = -b/2a

Therefore,

6 = -b/2*(1/4)

-b = 6*2*(1/4)

or, b = -12/4

or, b = -3

Hence,The value of b is -3.

More about axis of symmetry :

brainly.com/question/3514150

#SPJ1

3 0
2 years ago
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