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3 years ago

13

Candice is typing an average of 40 words per minute. Write and solve an equation to find the time it will take her to type 1000

words.

1 answer:

saw5 [17]3 years ago

5 0

Answer:

25 Minutes

Step-by-step explanation:

Because 1000 ÷ 40 = 25

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You develop an app to help students complete their homework. To earn money, you sell advertising space on the app’s main screen.

Sergio039 [100]

Let y=total monthly income
Let x=each time app is opened
y=25+(.003x)

7 0

3 years ago

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Pretest: Unit 5 Question 12 of 21 Use the substitution method to solve the system of equations. Choose the correct ordered pair.

Gala2k [10]

Answer:

(10, - 9 )

Step-by-step explanation:

Given the 2 equations

y = - 2x + 11 → (1)

y = - 3x + 21 → (2)

Substitute y = - 2x + 11 into (2)

- 2x + 11 = - 3x + 21 ( add 3x to both sides )

x + 11 = 21 ( subtract 11 from both sides )

x = 10

Substitute x = 10 into either of the 2 equations and evaluate fir y

Substituting into (1)

y = - 2(10) + 11 = - 20 + 11 = - 9

solution is (10, - 9 )

3 0

3 years ago

What is 4.58 when approximated to the nearest hundredth

Ann [662]

Answer:

The answer would be 4.6

Step-by-step explanation:

4.58

8 is closest to 10 so round the 5 to 6.

6 0

3 years ago

Read 2 more answers

[2/(n+2)] - (3/n+2) = 5<br><br> Solve by u-substitution

IgorLugansk [536]

<span>let n+2=u so, the equation became= [2/u]-[3/u]=5 => [(2+3)/u]=5 => 5/u=5 => u=5/5=1 thus, u=1 we know u=n+2 so, n+2=1 => n=1-2=-1 so, n=-1</span>

7 0

3 years ago

A) find the value of 2x+y wehn x =4 and y =3 b) find the value of a^2 + b when a = -2 and b = 5

Reil [10]

Answer:

<h3><em>a</em><em>.</em><em> </em><em> </em><em>1</em><em>1</em></h3><h3><em>b</em><em>.</em><em> </em><em> </em><em>9</em></h3>

<em>Sol</em><em>ution</em><em>,</em>

<em>a</em><em>.</em><em> </em><em> </em><em> </em><em>Given</em><em>,</em>

<em>X=</em><em>4</em>

<em>y</em><em>=</em><em>3</em>

<em>Now</em><em>,</em>

<em> $2x + y \\ = 2 \times 4 + 3 \\ = 8 + 3 \\ = 11$ </em>

<em>b</em><em>.</em><em> </em><em>Given,</em>

<em>a</em><em>=</em><em>-</em><em>2</em>

<em>b</em><em>=</em><em>5</em>

<em>Now</em><em>,</em>

<em> ${a}^{2} + b \\ = {( - 2)}^{2} + 5 \\ = 4 + 5 \\ = 9$ </em>

<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em>.</em><em>.</em><em>.</em>

<em>Good</em><em> </em><em>luck</em><em> on</em><em> your</em><em> assignment</em><em>.</em><em>.</em>

6 0

3 years ago