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3 years ago

Simplify the expression. 4+9⋅2÷3−1 8 9 12 77

Mathematics

1 answer:

vredina [299]3 years ago

3 0

Answer:

Step-by-step explanation:

Order of Operations: BPEMDAS

Step 1: Write out expression

4 + 9(2)/3 - 1

Step 2: Multiply

4 + 18/3 - 1

Step 3: Divide

4 + 6 - 1

Step 4: Add

10 - 1

Step 5: Subtract

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On Thursday, rrr centimeters of rain fell on Deborah's garden. On Saturday, 15\%15%15, percent more rain fell on the garden.

xenn [34]

Answer:

Step-by-step explanation:

Complete question

On Thursday, r centimeters of rain fell on Deborah's garden. On Saturday, 15% more rain fell on the garden.

The expression r+0.15r describes the number of centimeters of rain Deborah's garden got on Saturday. We can also use the expression 1.15r to represent the same quantity.

Match each amount in the situation with the expression that represents it.

Since we have given that

Let amount of rainfall on Deborah's garden on Thursday be 'r'.

According to question, 15% more rainfall on the garden on Saturday.

So, Amount of rainfall on Saturday would be

$r+\dfrac{15}{100}r\\\\=r+0.15r\\\\=1.15r$

Hence, Deborah got 1.15r amount of rainfall on Saturday.

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4 years ago

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A teacher designs a test so a student who studies will pass94% of the time, but a student who does not studywill pass14% of the

nignag [31]

Answer:

0.868 = 86.8% probability that the student passes.

Step-by-step explanation:

Probability of the student passing:

94% of 91%(when the student studies for the test).

14% of 100 - 91 = 9%(when the student does not study for the test). So

$p = 0.94*0.91 + 0.14*0.09 = 0.868$

0.868 = 86.8% probability that the student passes.

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3 years ago

Wrote the equation an the answer for brainliest!

Snowcat [4.5K]

Answer: 66.50+5g= 83.50

g=3.4

Step-by-step explanation:

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3 years ago

3x + 2x divided by 4-2

Harlamova29_29 [7]

The answer is 5x/2 because all you have to do is add 3x + 2x too make 5x and take 4-2 which is 2 and since it can't be simplified any more, just do 5x/2. Hope this helped! :)

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Answer:

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Step-by-step explanation:

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3 years ago

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