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dolphi86 [110]
3 years ago
8

Sam invested $7500, some at 7% interest and the rest at 10%. How much did he invest at each rate if he received $570.00 in inter

est in one year?
Mathematics
1 answer:
beks73 [17]3 years ago
8 0

Answer:

.

Step-by-step explanation:

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An emergency room (ER) nurse noticed that there are an unusually high number of motor-vehicle accident injuries in the month of
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4800 patients

Step-by-step explanation:

120 of 1000 means 12%

12% of 40000 is 4800

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3 years ago
Landon is building new bookshelves for his bookstore's new mystery section. Each shelf can hold 34 book. There are 1,265 mystery
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You would need 38 shelves, I think.
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3 years ago
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Graph x^4-3x^2+x. Identify the x-intercepts and the points where the local maximums and local minimums occur. Determine the inte
Brums [2.3K]

Functions, equations and tables can be represented using graphs

  • The x-intercepts are: 0, 0.35 and 1.53
  • The local maximum is at point (0.17, 0.08), and the local minimum is at point (1.13, -1.07)

The expression is given as:

x^4-3x^2+x

Rewrite the expression as a function

f(x) =  x^4-3x^2+x

See attachment for the graph of the function.

<h3>The x-intercepts</h3>

This is the point where the graph cross the x-axis.

From the attached graph, the x-intercepts are: 0, 0.35 and 1.53

<h3>The local maximum</h3>

From the attached graph, the local maximum is at point (0.17, 0.08)

<h3>The local minimum</h3>

From the attached graph, the local minimum is at point (1.13, -1.07)

<h3>Intervals</h3>
  • The graph increases at interval (-1.30, 0) and (1,13, infinity)
  • The graph decreases at interval (- infinity, 1.30) and (0.35, 1.13)

Read more about graphs and functions at:

brainly.com/question/13136492

4 0
2 years ago
Nathan hit 19 homeruns. He scored 3 fewer homeruns than twice the number of homeruns hit by jason. Write and solve an equation t
Vinvika [58]

Jason hit 11 homeruns.

Step-by-step explanation:

Homeruns hit by Nathan = 19

Let,

Homeruns hit by Nathan = x

Homerun hit by Jason = y

According to given statement;

x = 2y - 3   Eqn 1

We know that Nathan hit 19 homeruns, therefore, putting x=19 in Eqn 1

19=2y-3\\19+3=2y\\22=2y\\2y=22

Dividing both sides by 2;

\frac{2y}{2}=\frac{22}{2}\\y=11

Jason hit 11 homeruns.

Keywords: linear equations, addition

Learn more about linear equations at:

  • brainly.com/question/3375830
  • brainly.com/question/3398261

#LearnwithBrainly

7 0
3 years ago
The Hawks have won 12 games, which is 60% of the games they have played this season.How many games have the Hawks played this se
loris [4]

Answer:

20 games

Step-by-step explanation:

Let

x ----> total games played this season

we know that

12 games represent 60% of the games they have played this season

so

using proportion

Find out how many games represent a percentage of 100%

\frac{12}{60\%}=\frac{x}{100\%}\\\\x=12(100)/60\\\\x=20\ games

4 0
3 years ago
Read 2 more answers
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