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timurjin [86]
3 years ago
15

Write down all prime numbers between 20 and 40​

Mathematics
1 answer:
AveGali [126]3 years ago
7 0

Answer:

23,29,31,37

Step-by-step explanation:

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X/3 + 4<6 pls help will mark branliest
Agata [3.3K]

Answer:

x < 6

Step-by-step explanation:

\frac{x}{3}+4 < 6

Subtract 4 form both sides

\frac{x}{3}

Multiply both sides by 3

x < 2*3\\\\x < 6

3 0
3 years ago
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What coordinates best represent the location of point K on the coordinate plane.
Sindrei [870]

Answer:

-7, -4

Step-by-step explanation:

The squares are marked by units of 2. It looks like you did not take that into account when you entered your y coordinate.

8 0
3 years ago
Write the quadratic equation whose roots are 3 and -5, and whose leading coefficient is 2.
Rainbow [258]

\begin{cases} x=3\implies &x-3=0\\ x=-5\implies &x+5=0 \end{cases}\qquad \implies\qquad a(x-3)(x+5)=\stackrel{0}{y} \\\\\\ a(\stackrel{F~O~I~L}{x^2+2x-15})=y\implies \stackrel{\textit{leading coefficient of 2}}{2(x^2+2x-15)}=y\implies 2x^2+4x-30=y

Check the picture below.

5 0
2 years ago
HELP PLEASE I have no clue what this is
devlian [24]

Answer:

972

Step-by-step explanation:

7 0
3 years ago
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During halftime of a soccer game, a slingshot launches T-shirts at the crowd. A T-shirt is launched from a height of 5 feet with
4vir4ik [10]

Hi,

During halftime of a soccer game, a slingshot launches T-shirts at the crowd. A T-shirt is launched from a height of 5 feet with an initial upward velocity of 72 ft. Per second. The T-shirt is caught 34 feet above the field. How long will it take the T-shirt to reach its maximum height? What is the maximum height? What is the range of the function that models the height of the T-shirt over time.

<u>Write the general equation that represents height of the t-shirt as a function of time. </u>

f(t) = -16t^{2} + 72t + 5

2. <u>What is the maximum height of the t-shirt?</u>

<u />t = \frac{-72}{2(-16)} = 2,25                         f(2,25) = -16(2,25)^{2} + 72(2,25) + 5

                                                                = 86 feet

1. <u>How long will it take the t-shirt to reach its maximum height?</u>

2,25 secondes

3. <u>The range describes which values of the graph? What would the range of this graph be? (Write in inequality and interval notation).</u>

height (y)

5 ≤ y ≤ 86        [ 5,86 ]

7 0
3 years ago
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