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3 years ago

Can you help me with this

Mathematics

1 answer:

densk [106]3 years ago

8 0

Answer:

158 is greater than 150

For #1 :

Student B can type 8 more words per minute than student A

For #2 :

You divide the last y value by the last x value : 700/5

700/5=140

For # 3 :

1. Student B - 158 words per minute

2. Student A - 150 words per minute

3. Student C - 140 words per minute

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Answer:

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3 years ago

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answer: $x = 5$

work:

$5x+10=7x+4$ | subtract 5x and move it over to the 7x, and solve

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3 years ago

Hannah is 2 times her sister’s age. The sum of their ages is no more than 18 years. 1) Write an inequality that can be used to r

svetoff [14.1K]

Answer:

1) $x+2x\leq 18$ .

2) $6$ years

Step-by-step explanation:

Let Hanna's sister be $x$ years old.

Then Hanna will be $2x$ years old.

The sum of their ages will be $x+2x$ years.

The statement "no more than 18" means the sum of their ages is less than or equal to 18.

The required inequality is;

$x+2x\leq 18$ .

The inequality we just found is

$x+2x\leq18$ .

We simplify to get;

$3x\leq 18$ .

we divide both sides by $3$ to get;

$x\leq 6$ .

Therefore the oldest age Hannah's sister can be is $6$ years

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4 years ago

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3 years ago