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Eduardwww [97]
1 year ago
6

Which lengths make sense for possible values of b

Mathematics
1 answer:
Lerok [7]1 year ago
8 0

The first condition is for the perimeter of the equation so:

P=2a+b=15.7

Now the secon condition is that the sum of two sides should be:

\begin{gathered} a+b>b \\ b+b>a \end{gathered}

so the negative option and 0 don't make sence dor a distance, then we try with the value of b=0.5

So in the first equation will be:

\begin{gathered} 2a+0.5=15.7 \\ 2a=15.2 \\ a=7.6 \end{gathered}

So the condition:

\begin{gathered} b+b>a \\ 0.5+0.5>7.6 \end{gathered}

this is false, so the solution is

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Pls can someone help me. I m giving 10 pts . I may mark you as the braniliest
worty [1.4K]

100 notes were altogether

<em><u>Solution:</u></em>

Given that ratio of the number of $2 notes to the number of $5 notes was 4 : 1

number of $2 notes : number of $5 notes = 4 : 1

Let 4x be the number of $ 2 notes

Let 1x be the number of $ 5 notes

Given that total value of notes is $ 260

Therefore,

$ 2 (number of $ 2 notes ) + $ 5(number of $ 5 notes ) = $ 260

$ 2(4x) + $ 5(1x) = $ 260

8x + 5x = 260

13x = 260

x = 20

<em><u>Thus number of notes altogether is given as:</u></em>

4x + 1x = 4(20) + 1(20) = 80 + 20 = 100

Thus 100 notes were altogether

4 0
3 years ago
if Mr Green drives 100 miles in 2 hours. he continues to drive at the same speed if he doesn't stop how long will it take mr gre
Anton [14]

Answer:

8 hours

Step-by-step explanation:

1 - 50 miles

2 - 100 miles

3 - 150 miles

4 - 200 miles

5 - 250 miles

6 - 300 miles

7 - 350 miles

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and so on hope this helps

5 0
2 years ago
How do I figure out 25% of 675g
olya-2409 [2.1K]

multiply 675 by 0.25 to find 25% of  675. the answer would be 168.75

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3 years ago
Read 2 more answers
here is an inequality 2x + 5 &gt; 50 explain the steps you would use to solve the equation for x what would the graph look like
Hatshy [7]

Answer:

x>22.5

Step-by-step explanation:

Given linear inequality:

2x+5>50

Solving for x

Subtracting both sides by 5.

2x+5-5>50-5

2x>45

Dividing both sides by 2.

\frac{2x}{2}>\frac{45}{2}

∴ x>22.5

The graph of the inequality is shown below.

The line is represented by dotted line because the inequality sign is only greater than which means 22.5 is not included in the solution.  

3 0
3 years ago
(worth 30 points and brainliest) At the movie theatre, child admission is $5.10 and adult admission is $9.30. On Sunday, 137 tic
masya89 [10]

Answer:

78 adult tickets were sold that day

Step-by-step explanation:

6 0
3 years ago
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