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2 years ago

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 = Difference

Multiplication = Product

Division = Quotient

Addition = Sum

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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A 12-foot flagpole casts a nine-foot shadow. What is the measure from the top of the shadow to the top of the flag pole?

amm1812

Here is the answer OwO:

A 12-foot flagpole casts a nine-foot shadow. The measure from the top of the shadow to the top of the flag pole is 15.

Here is the explanation/work OwO:

Switch sides.

c^2=12^2+9^2

12^2=144

c^2=144+9^2

9^2=81

c^2=144+81

Add the numbers: 144 + 81 = 225

c^2=225

For x^2 = f(a) the solution is √f(a)

c = 15

Therefore, your answer will be 15.

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Sorry if I am late. Hope this helps!! ^^

5 0

3 years ago

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N artist makes three types of ceramic statues (large, medium, and small) at a monthly cost of $760 for 210 statues. The manufact

Arlecino [84]

Answer:

20, 90 and 100

Step-by-step explanation:

Total number of statues = 210

Assuming that a large statue = x, medium statue = y and a small statue = z

Then, x + y + z = 210........i

Also, we're told that the monthly cost is $760, so

5x + 4y + 3z = 760.........ii

Cost of selling is $3640, so then

26x + 18y + 15z = 3640.........iii

Solving i and ii simultaneously, we have

5x + 5y + 5z = 1050

5x + 4y + 3z = 760

Subtracting, we have

y + 2z = 290.........iv

Again, solving ii and iii simultaneously, we have

130x + 104y + 78z = 19760

130x + 90y + 75z = 18200

On subtracting, we have

14y + 3z = 1560.........v

And finally, solving iv and v simultaneously, we also have

14y + 28z = 4060

14y + 3z = 1560

On subtracting,

25z = 2500

z = 2500 / 25

z = 100

Substituting for z = 100 in iv, we have

y + 2(100) = 290

y + 200 = 290

y = 290 - 200

y = 90

Substituting for y = 90, and z = 100 in i

x + 90 + 100 = 210

x + 190 = 210

x = 210 - 190

x = 20

Therefore, large statues has to be 20, medium statues has to be 90, and small statues has to be 100

7 0

3 years ago

Which decimal is less than 0.24 and greater than 0.007 is it 0.31 or 0.27 or 0.26 or 0.12

Monica [59]

The answer is 0.12. Hope I helped! please mark as the brainliest!

6 0

3 years ago

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Patrick and his brother each start a savings account. Patrick begins with $200

skad [1K]

Answer:

Both brothers will have the same amount of money is their saving accounts after six months.

Step-by-step explanation:

I worked this out by finding out the first 8 months of savings for both brothers:

Patrick: His brother:

200 150

225 185

250 220

275 253

300 290

325 325

375 360

400 395

I then looked across my results to see that at 6 months both brothers had $325.

Hope this helped.

7 0

3 years ago

A rope is tied to the bottom of a hot air balloon as shown. The altitude of the balloon is 50 feet and the rope is 75 feet long.

Semenov [28]

Answer:

As per the statement

The altitude of the balloon is 50 feet and the rope is 75 feet long.

⇒ Altitude of the balloon = 50 feet.

And length of the rope = 75 feet.

We have to find the angle that rope makes with ground,

Using Sine ratio:

$\sin \theta = \frac{\text{Opposite side}}{\text{Hypotenuse side}}$

You can see the diagram as shown below.

Here,

Opposite side = Altitude of the balloon = 50 feet.

Hypotenuse side = length of the rope = 75 feet.

Substitute the given values we have;

$\sin \theta = \frac{50}{75} =\frac{2}{3}$

⇒ $\theta = \sin^{-1} (\frac{2}{3})$ = 41.8°

Therefore, the angle that the rope makes with the ground is, 41.8 degree

8 0

3 years ago

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