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3 years ago

Can somebody help me out? I’ll mark as brainliest.

Mathematics

1 answer:

Fofino [41]3 years ago

4 0

Answer:

f(x) = -5x - 14

Step-by-step explanation:

this table represent a straight line : y = mx +c

first find m which is the slope

m = (-24 - -19)/(2-1) = -5

then find c

-19 = -5(1) + c , c = -14

thus f(x) = -5x -14

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3 ( 8m+5) = 4 (6m+7)-13

Kitty [74]

Answer:

infinite solutions

Step-by-step explanation:

Given

3(8m + 5) = 4(6m + 7) - 13 ← distribute parenthesis on both sides

24m + 15 = 24m + 28 - 13 , that is

24m + 15 = 24m + 15

Since both sides are equal then any real value of x makes the equation true.

Thus there are an infinite number of solutions

8 0

3 years ago

Which statement is always true?

Goshia [24]

I’m pretty sure A is true <3

6 0

2 years ago

Joey invest $900 at 4% simple interest for 2 years but he wants to know how much money he will have after only 18 months. Determ

malfutka [58]

Well, bearing in mind that, a year has 12 months, so 18 months is really just 18/12 of a year, or 3/2 a year, then

$\bf \qquad \textit{Simple Interest Earned Amount}\\\\
A=P(1+rt)\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{original amount deposited}\to& \$900\\
r=rate\to 4\%\to \frac{4}{100}\to &0.04\\
t=years\to \frac{18}{12}\to &\frac{3}{2}
\end{cases}
\\\\\\
A=900\left( 1+0.04\cdot \frac{3}{2} \right)$

4 0

3 years ago

I already finished it but how do you know if it’s decreasing or increasing?

nexus9112 [7]

Answer:

If the slope is positive it is increasing if the slope is negative it is decreasing :)

Example:

Y=mX+b

If m is positive it is a positive slope

6 0

3 years ago

Read 2 more answers

A swing set is going to be placed over a region of mulch that is shaped like a trapezoid. The bases of the trapezoid have a leng

shutvik [7]

Answer:

114.8

Step-by-step explanation:

The formula for a trapezoid is ((a+b/2)h

You need to plug everything in, ((12+15)/2)8.5= 114.8

6 0

3 years ago