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4 years ago

13

The table below shows the amount of money that Bonnie spent during her last trip to Target. Target Purchases Clothing $56 Grocer

ies $82 School Supplies $16 To the nearest percent, what percent of the total did she spend on groceries

1 answer:

padilas [110]4 years ago

3 0

Its C.

.test test test test

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Keith has $500 in a savings account at the beginning of the summer. He wants to have at least $200 in the account by the end of

kicyunya [14]

<h2>8 weeks is the correct answer</h2><h2></h2><h3>500 - 200 = 300</h3><h3>8 x 35 = 280</h3><h3>$280 is the closest you can get to $300 without going over.</h3><h3>So, 8 weeks is the answer.</h3><h3 /><h3><em>Please let me know if I am wrong.</em></h3>

7 0

3 years ago

Graph tthe system of equations below on a piece paper. what is the solution y=2x-3 y=-x+3

Katen [24]

Answer:

Look at the explanation.

Step-by-step explanation:

Start y=-2x-3 at the Y -3 and X 0, then go up two and to the right one, like a staircase. For y=-x+3 start on Y 3 and X 0 and go down 1 x and 1 y like a downstair staircase with 1 unit down.

4 0

3 years ago

(PLSSSS HELP) Determine which three out of the six points shown below are a solution to the equation x-3y=22 Plot the three poin

algol [13]

Answer:

$(-2,8)$ $(7,5)$ $(1,7)$

Step-by-step explanation:

Given

$x + 3y = 22$

Solving (a): The possible coordinates

We have:

$(x,y) = (-2,8)$

This gives:

$x + 3y = 22 \to -2 + 3 * 8$

$x + 3y = 22 \to -2 + 24$

$x + 3y = 22 \to 22$

<em>(-2,8) is a point on the grid</em>

$(x,y) = (7,5)$

This gives:

$x + 3y = 22 \to 7 + 3 * 5$

$x + 3y = 22 \to 7 + 15$

$x + 3y = 22 \to 22$

<em>(7,5) is a point on the grid</em>

$(x,y) = (-5,5)$

This gives:

$x + 3y = 22 \to -5 + 3 * 5$

$x + 3y = 22 \to -5 + 15$

$x + 3y = 22 \to 10$

<em>(-5,5) is a not point on the grid</em>

<em></em>

$(x,y) = (1,3)$

This gives:

$x + 3y = 22 \to 1 + 3 * 3$

$x + 3y = 22 \to 1 + 9$

$x + 3y = 22 \to 10$

<em>(1,3) is a not point on the grid</em>

$(x,y) = (1,7)$

This gives:

$x + 3y = 22 \to 1 + 3 * 7$

$x + 3y = 22 \to 1 + 21$

$x + 3y = 22 \to 22$

(1,7) is a point on the grid

So, we plot the following on the grid

$(-2,8)$ $(7,5)$ $(1,7)$

See attachment

8 0

3 years ago

A culture started with 4000 bacteria after 8 hours it grew to 4400 bacteria. Predict how many bacteria will be present after 9 h

Leno4ka [110]

$\bf \qquad \textit{Amount for Exponential change}\\\\
A=P(1\pm r)^t\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{starting amount}\\
r=rate\to r\%\to \frac{r}{100}\\
t=\textit{elapsed period}\\
\end{cases}\\\\
-------------------------------\\\\$

$\bf A=P(1+r)^t\qquad 
\begin{cases}
\textit{hour 0, starting point}\\
t=0\qquad A=4000
\end{cases}\implies 182=ae^{k0}
\\\\\\
4000=P(1+r)^0\implies 4000=P
\\\\\\
thus\qquad A=4000(1+r)^t\\\\
-------------------------------\\\\$

$\bf A=P(1+r)^t\qquad 
\begin{cases}
\textit{8 hours later}\\
t=8\qquad A=4400
\end{cases}\implies 4400=4000(1+r)^8
\\\\\\
\cfrac{4400}{4000}=(1+r)^8\implies \cfrac{11}{10}=(1+r)^8\implies \sqrt[8]{\cfrac{11}{10}}=1+r
\\\\\\
\sqrt[8]{\cfrac{11}{10}}-1=r\implies 0.012\approx r\qquad thus\qquad \boxed{A=4000(1+0.012)^t}$

how many bacteria after 9 hours? well, 9hours later is just t = 9, plug that in, to get A

4 0

3 years ago

Read 2 more answers

Can you walk me thru this 2 •(3(5+2)-1)

kobusy [5.1K]

Answer:

40

Step-by-step explanation:

2 •(3(5+2)-1)

2 ·(3(7)-1)

2·(21-1)

2·20

=40

5 0

3 years ago