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Viktor [21]
3 years ago
10

Product of 7.69×5 be greater or less than its estimate of 8×5?

Mathematics
1 answer:
spayn [35]3 years ago
8 0

The product is a bit less than the estimate. In fact, 7.69 is less than 8, and if you start with an equality, i.e.

7.69 < 8

you can multiply both sides by a positive number, and the inequality will still hold:

7.69 \cdot 5 < 8 \cdot 5

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How do you solve <br> 8.4-6.8=-3.2y+16.4
AVprozaik [17]

Answer:

  y = 4.625

Step-by-step explanation:

Subtract 16.4 from both sides and collect terms.

  8.4 -6.8 -16.4 = -3.2y +16.4 -16.4

  -14.8 = -3.2y

Divide both sides by -3.2.

  -14.8/-3.2 = (-3.2y)/-3.2

  4.625 = y

The solution is y = 4.625.

4 0
3 years ago
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the student council set a goal of raising at least $500 in flower sales. so far it has raised $415 .write an inequality to show
Nat2105 [25]
415 + d ≥ 500

I believe that's the inequality since they want to raise a minimum of $500 so that means it can be more than $500. Hope I helped.
4 0
3 years ago
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On Monday Charlie earned $16 for 2 hours of babysitting. Getting paid the same rate he earned $40 for babysitting on Saturday Ho
Vlada [557]
5 hours. 16 divided by 2 equals 8 40 divided b 8 equals 5
8 0
3 years ago
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I have the first part down, but I don't understand how to solve. It's an inequality.
Anna71 [15]

Answer:

As shown in your game, you have an inequality:

    2.5 x h + 10.9 > 33.4

=> 2.5 x h > 33.4 - 10.9

=> 2.5 x h > 22.5

=>  h > 22.5/2.5

=>  h > 9

Hope this helps!

:)

8 0
3 years ago
I will give you 50 if you helped me thanks
Nimfa-mama [501]

Answer:

it's 40!

10 x 10 = 100

10 x 4 = 40

6 x 10 = 60

and 6 x 4 = 24 !!

5 0
2 years ago
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