3 years ago

May you please solve this

Mathematics

2 answers:

kari74 [83]3 years ago

6 0

This is the answer 14000 m

Radda [10]3 years ago

4 0

This is how you get your answer

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Use properties 24+28+26

kolbaska11 [484]

Answer:

Step-by-step explanation:

add all the numbers to get 78

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3 years ago

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AlladinOne [14]

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2 years ago

Find the exact zeros of the function <br> f(x) = 25x^2 − 10x − 1

Nady [450]

Answer:

answer attached

The zero of a function is any replacement for the variable that will produce an answer of zero. Graphically, the real zero of a function is where the graph of the function crosses the x‐axis; that is, the real zero of a function is the x‐intercept(s) of the graph of the function.

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1 year ago

Read 2 more answers

If the breadth of a rectangle is 21cm find its length

KatRina [158]

Answer:

its length will be 78 I think

7 0

3 years ago

The time t required to drive a certain distance varies inversely with the speed r. if it takes 4 hours to drive the distance at

Aleksandr [31]

$\bf \qquad \qquad \textit{inverse proportional variation}
\\\\
\textit{\underline{y} varies inversely with \underline{x}}\qquad \qquad y=\cfrac{k}{x}\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------$

$\bf \stackrel{\textit{time \underline{t} required to drive a certain distance varies inversely with the speed \underline{r}}}{t=\cfrac{k}{r}}
\\\\\\
\textit{we also know that }
\begin{cases}
t=4\\
r=35
\end{cases}\implies 4=\cfrac{k}{35}\implies 4(35)=k
\\\\\\
140=k\qquad therefore\qquad \boxed{t=\cfrac{140}{r}}
\\\\\\
\textit{now, when \underline{r} = 45, what is \underline{t}?}\qquad t=\cfrac{140}{45}$

4 0

2 years ago