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uranmaximum [27]
3 years ago
5

The equation and tell which property you used (3x3)x8= blank x (10x8)

Mathematics
1 answer:
Lunna [17]3 years ago
6 0
When you have an equation you do pemdas.You start the problem with (3x3)x(10x8)=9x80=720,Then 720x8=5760 .The answer is 5760
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Let n be a positive integer. We sample n numbers a1, a2,..., an from the set {1,...,n} uniformly at random, with replacement. We
zepelin [54]

Answer:

Step-by-step explanation:

4 0
3 years ago
Maddie buys 3 sodas for $2 each. she pays with cash and receives $4 in change. write an equation that can be used to find d, the
Ierofanga [76]
3×2=6+4=d the 3×2 is how much the cost is and 6+4 is 10 so she paid 10 dollars
3 0
3 years ago
-6(-4u+4)-6u=2(u-5)-8
MrRissso [65]

Answer:

u=0.375

Step-by-step explanation:

First we can write the equation down, -6(-4u+4)-6u=2(u-5)-8. First what you want to do is distribute -6 to (4u+4) and 2 to (u-5). This would result in        24u-24-6u=2u-10-8. Next add up all like terms and you will get 18u-24=2u-18. Next you would want to add 24 on both sides so that you get 18u=2u+6 then subtract 2u from both sides to get 16u=6. You the divide 16 on both sides to get u=0.375.

6 0
3 years ago
The sail of a boat is in the shape of a right triangle, as shown below:
dolphi86 [110]
Answer: Choice C
7 divided by cosec 50 degrees

=====================================

Explanation:

Abbreviations:
sec = secant
cot = cotangent
cosec = cosecant (csc is also a widely used abbreviation)

-----------------

Let the horizontal leg be x

This leg is opposite the angle 50 degrees. The hypotenuse is 7

Opposite = x
Hypotenuse = 7

We'll either use the sine rule or the cosecant (csc) rule
sine = opposite/hypotenuse
cosecant = hypotenuse/opposite

Since "sine" is nowhere to be found in the answer choices, we'll use the cosecant rule

-----------

cosecant = hypotenuse/opposite
csc(angle) = hypotenuse/opposite
csc(50) = 7/x
x*csc(50) = 7
x = 7/csc(50)

This is why the answer is choice C

6 0
3 years ago
Read 2 more answers
Any time Speedy the Sloth is not sleeping, she drinks chamomile tea at a steady rate of 2/7 of a cup per hour. Yesterday, she dr
kari74 [83]

Answer:

295 minutes

Step-by-step explanation:

It is given that Speedy the Sloth drinks tea at a steady rate of 2/7 cups per hour.

Yesterday she drank 1 cup and today she drank 17/42 of a cup more than yesterday. This means today she drank 1 + 17/42 cups.

Time taken to drink 2/7 of a cup = 1 hour = 60 minutes

Time taken to drink 1 cup = \frac{60}{2/7}=210 minutes

Time taken to drink 1+17/42 cups = 210\times1\frac{17}{42}=295 minutes

Since she drinks tea as long as she stay awakes. This means, she stayed awake for 295 minutes today.

5 0
3 years ago
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