3 years ago

My number has 8 tens the digit in the ones place is greater than the digit in the tens place

Mathematics

1 answer:

Andrew [12]3 years ago

8 0

Your number can be none other than 89 .

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Your friend evaluates ( 10-k ) divided by 5 . K stands for 5 and the friend gets 9 as the answer . Explain the error

Oliga [24]

Answer:

(10 - k) ÷ 5 = 9

(10 - 5) ÷ 5 = 9

5 ÷ 5 = 9

1 = 9

1 does not equal 9

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3 years ago

Write the equation.Please help

Mamont248 [21]

Y = 3x is the answer
I did the math

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2 years ago

the vertex of this parabola is at (3,5). When the y-value is 6, the x-value is -1. What is the coefficient of the squared term i

otez555 [7]

Now, assuming is a vertical parabola, so the squared variable is the "x", let's do some checking.

$\bf \qquad \textit{parabola vertex form}\\\\
\begin{array}{llll}
\boxed{y=a(x-{{ h}})^2+{{ k}}}\\\\
x=a(y-{{ k}})^2+{{ h}}
\end{array} \qquad\qquad vertex\ ({{ h}},{{ k}})\\\\
-------------------------------\\\\
vertex
\begin{cases}
h=3\\
k=5
\end{cases}\implies y=a(x-3)^2+5
\\\\\\
\textit{we also know that }
\begin{cases}
y=6\\
x=-1
\end{cases}\implies 6=a(-1-3)^2+5
\\\\\\
1=a(-4)^2\implies 1=16a\implies \cfrac{1}{16}=a$

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3 years ago

Experts/ace/trusted helpers/geniuses helpp mee plz

maria [59]

inside angles need to equal 180

180-75-40 = 65

now the question mark and 65 need to equal 180

180-65 = 115

answer is 115

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3 years ago

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ch4aika [34]

Answer:

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Step-by-step explanation:

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2 years ago