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VikaD [51]
2 years ago
8

Which phrase represents this expression? 42−3×8

Mathematics
1 answer:
iVinArrow [24]2 years ago
3 0

Answer: C

Step-by-step explanation:

Let’s establish some key terms here:

Subtraction = <u>Difference</u>

Multiplication = <u>Product</u>

Division = <u>Quotient</u>

Addition = <u>Sum</u>

First, we know that there is subtraction and multiplication is the problem, so we will be using the words difference and product.

The only answer that uses both these words is answer C.

Either way, let’s check it.

Answer C is “the difference of 42 and the product of 3 and 8”. Let’s break it down.

We see the word “product“ here, talking about the 3 and the 8. In the original equation, the 3 and 8 were multiplied, so this does make sense.

We also see the word “difference”, talking about the 42 and the product (of 3 and 8). These were subtracted by each other in the original equation, so it makes sense.

Therefore, the answer is C: the difference of 42 and the product of 3 and 8.

Hope this helps! :)

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Ships A and B are 1,425 feet apart and detect a submarine below them. The angle of depression from ship A to the submarine is 59
andreyandreev [35.5K]

Answer: The distance from ship B to the submarine is 1270.68 feet and the distance from ship A to the submarine is 1084.18 feet.

Step-by-step explanation:

Since we have given that

Distance between Ships A and B = 1425 feet

Angle of depression from ship A to the submarine =59°

Angle of depression from ship B to the submarine = 47°

As shown in the figure below:

Remaining angle will be

180\textdegree-(47\textdegree+59\textdegree)\\\\=180\textdegree-106\textdegree\\\\=74\textdegree

So, we will use "Sine formula ":

\frac{\sin 74\textdegree}{1425}=\frac{\sin 59\textdegree}{B}\\\\B=\frac{1425\times \sin 59\textdegree}{\sin 74\textdegree}\\\\B=1270.68\ feet

Similarly,

\frac{\sin 74\textdegree}{1425}=\frac{\sin 47\textdegree}{A}\\\\A=\frac{1425\times \sin 47\textdegree}{\sin 74\textdegree}\\\\A=1084.18\ feet

Hence, the distance from ship B to the submarine is 1270.68 feet and the distance from ship A to the submarine is 1084.18 feet.

4 0
3 years ago
Read 2 more answers
A car travels at a speed of 85 mph how far will it travel in 15 minutes ​
Vladimir [108]

Answer:

106.25 mph

Step-by-step explanation:

since the car travels at 85 miles per hour we divide it by 60 seconds in order to find how many miles is it to get in a minute

=> 85mph ÷ 60

divide 85 by 60

=> 1.416

multiply 1.416 by 15 to get how many miles it to go in 15 minutes

=> 21.25

then add it to 85

=> 106.25

4 0
2 years ago
1/3 = /6<br> - 1/6 = /6<br><br> How do you find the unlike denominator. Can you explain
lakkis [162]

Answer:

Okay So I see you need to change 1/3 to a denominator of 6

You don't do anything to the -1/6

But to change the 1/3 you need to multiply 3 and 1 by two, which is 2/6

And the -1/6 stays the same  

5 0
3 years ago
What is the solution to this equation?
labwork [276]
The solution to this equation is C (6)

3x - 3 = 15

3x = 15 + 3
3x = 18
3/3 x = 18/3

x = 6
6 0
2 years ago
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Nostrana [21]
1)5 2)6 3)17 because h(x)+k(x)=3x-1
6 0
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