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OLga [1]
3 years ago
9

Which expression has a base with the exponet of 4?

Mathematics
1 answer:
vova2212 [387]3 years ago
7 0

Answer:

4z²

Step-by-step explanation:

isksnvejdlebeislsvwyyq8qksbsyessdhdomdnxbxvhsisisnsbdgdydos

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Which equation is the direct variation equation if f(x) varies directly with x and f(x)=-18 when x=3
Otrada [13]
\bf \qquad \qquad \textit{direct proportional variation}\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad  \stackrel{f(x)}{y}=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad  variation
\end{array}\\\\
-------------------------------\\\\
\textit{we also know that }
\begin{cases}
y=-18\\
x=3
\end{cases}\implies -18=k3
\\\\\\
\cfrac{-18}{3}=k\implies -6=k\qquad therefore\qquad \boxed{\stackrel{f(x)}{y}=-6x}
5 0
3 years ago
Erin received the following scores on her last four spelling tests.
Tatiana [17]

The second one, 82% is Erin's highest score

4 0
3 years ago
Read 2 more answers
Which ordered pair (a,b) is a solution to the given system of linear equations.
egoroff_w [7]

Answer:

A. (-13,-3)

Step-by-step explanation:

Solve the system of two equations:

\left\{\begin{array}{l}-2a+3b=14\\a-4b=3\end{array}\right.

From the second equation:

a=3+4b

Substitute it into the first equation:

-2(3+4b)+3b=14\\ \\-6-8b+3b=14\\ \\-8b+3b=14+6\\ \\-5b=20\\ \\5b=-20\\ \\b=-4

So,

a=3+4b=3+4\cdot (-4)=3-16=-13

The solution is (-13,-4)

6 0
3 years ago
Read 2 more answers
A spinner is divided into 4 equal sections colored red, green , blue and orange . Ennis spins the spinner. What is the probabili
zavuch27 [327]

Answer:

By thinking logically,here's hint: there are only 4 equal sections and 4 colors,all of them equal to=

\frac{4}{4}

no matter what color you take,for example green is 1/4,red is 1/4 as well.Eventually the answer is:the probability of orange color is 1/4 too.

7 0
3 years ago
6k+4k<-4k+6 solve for k
Genrish500 [490]

Answer:

k < 3/7

Step-by-step explanation:

Step 1:Sinplify both sides of the inequality

10k <-4k+6

Step 2: Add 4k to both sides

10k + 4k < -4k + 6 + 4k

14k < 6

Step 3:Divide both sides by 14

14k/14 < 6/14

k <3/7

Note:Provided by Mathpapa an Algebra caculator

6 0
2 years ago
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