2 years ago

PLEASE HELP - QUIZ

Mathematics

1 answer:

Fittoniya [83]2 years ago

5 0

Answer:

257.24 yd^2

Step-by-step explanation:

I made a video explaining, I promise it’s not anything unrelated to the question. Here it is: https://youtu.be/jHVtTCYzmzI

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If the vertex of a parabola is (-4, 6) and another point on the curve is (-3, 14), what is the coefficient of the squared expres

Luda [366]

$\bf \qquad \textit{parabola vertex form}\\\\\begin{array}{llll}
\boxed{y=a(x-{{ h}})^2+{{ k}}}\\\\
x=a(y-{{ k}})^2+{{ h}}
\end{array}\qquad\qquad vertex\ ({{ h}},{{ k}})\\\\
-------------------------------\\\\
vertex\ (-4,6)\qquad 
\begin{cases}
h=-4\\
k=6
\end{cases}\implies y=a(x-(-4))^2+6
\\\\\\
y=a(x+4)^2+6
\\\\\\
\textit{we also know that }
\begin{cases}
x=-3\\
y=14
\end{cases}\implies 14=a(-3+4)^2+6$

solve for "a"

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3 years ago

HELP PLS MARKING BRAINLEIST TO CORRECT ANSWER

Andreyy89

Answer:

6/3=2

Step-by-step explanation:

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2 years ago

Read 2 more answers

Write a variable expression to represent the phrase a number times 8

Nat2105 [25]

A number (we will call X) times 8 Is 8x

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3 years ago

Thomas deposited $1500 into a savings account. He is earning 6% Interest compounded quarterly. How much money will Thomas have i

gavmur [86]

Answer:

Rs. 1186 is the required answer.

Step by step answer:

Given:

Principle (P)=$1500

Rate of Interest (R)= 6%

Time period (T)=10 years

Compound Interest (CI)=P((1+6/100)^T-1)

=1500((1+6/100)^10-1)

= Rs. 1186 (approximately)

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2 years ago

Let f(x)=x^2+2 and g(x)=1-3x Find each function value. f(g(-4))

yawa3891 [41]

Answer:

171

Step-by-step explanation:

First you plug -4 into the g(x) equation

g(-4)= 1-3(-4)

Use pemdas

g(-4)= 1+12

g(-4)= 13

Next you plug 13 into the f(x) equation

f(13)= 13^2 + 2

First you do 13^2=169

Add 2 and you get 171

4 0

2 years ago