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kati45 [8]
3 years ago
13

D=1/2at² for solve for a

Mathematics
2 answers:
rjkz [21]3 years ago
4 0

Answer:

a = d/0.5t²

divide both sides by 1/2t²

julia-pushkina [17]3 years ago
4 0

Answer:

a= \frac{2d}{t^2}

Step-by-step explanation:

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Five more than seven time a number is ninerty-six.what is the number?
zaharov [31]

Answer:

5x + 6 ≥ 21

Step-by-step explanation:

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Juan is 4 feet tall. Marina is 52 inches tall.who is taller? explain your awnser.
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Marina is taller because since Juan is 4 feet, he is 48 inches tall and Marina is 52 inches tall so Marina is taller than Juan.
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Otis has $6.72, and he wants to buy some pencils that cost $1.12 each. How many pencils can he buy?
artcher [175]
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I need so much help with these could you help me?
juin [17]

Answer:

Step-by-step explanation:

In ΔBCA and ΔDCA,

BC ≅ CD                 Given

∠BCA ≅∠DCA        Given

AC ≅ AC                    Reflexive property

ΔBCA ≅ ΔDCA          S A S congruent

∵ BA ≅ AD                CPCT {Corresponding part of congruent triangle}

8 0
3 years ago
What is the y-value of the vertex of the function f(x) = –(x + 8)(x – 14)?
maxonik [38]

we have

f(x)=-(x+8)(x-14)

Convert to vertex form

f(x)=-(x+8)(x-14)\\f(x)=-( x^{2}-14x+8x-112) \\f(x)=-( x^{2}-6x-112)\\f(x)=-x^{2}+6x+112

we know that

the equation of a vertical parabola in vertex form is equal to

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

where

(h,k) is the vertex

f(x)=-x^{2}+6x+112

Group terms that contain the same variable, and move the constant to the opposite side of the equation

f(x)-112=-(x^{2}-6x)

Complete the square. Remember to balance the equation by adding the same constants to each side

f(x)-112-9=-(x^{2}-6x+9)

f(x)-121=-(x^{2}-6x+9)

Rewrite as perfect squares

f(x)-121=-(x-3)^{2}

f(x)=-(x-3)^{2}+121

the vertex is the point (3,121)

therefore

<u>the answer is </u>

The y-value of the vertex is 121

8 0
3 years ago
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