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3 years ago

-2x^3 polynomial by degree and numbers of terms

Mathematics

1 answer:

serious [3.7K]3 years ago

8 0

Answer:

Step-by-step explanation:

-2x^3

No.of terms = 1. so, monomial { by terms}

Highest degree = 3. So cubic polynomial {by degree}

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A rope is 250 centimeters long. You need the rope to be 1 1/2 meters long. How many centimeters should you cut off?

bulgar [2K]

The answer is 100 cm.

250 cm - 1 1/2 m = ?

1 1/2 m = 1 + 1/2 = 2/2 + 1/2 = (2 + 1)/2 = 3/2 = (3*5)/(2*5) = 15/10 = 1.5 m

1 m = 100 cm
1.5 m = 150 cm

250 cm - 1 1/2 m = = 250 cm - 150 cm = 100 m

3 0

4 years ago

Read 2 more answers

If the sinø=7/12, what is cosø?

777dan777 [17]

Answer:

If the sinø=7/12, cosø is $\frac{\sqrt{95} }{12}$

Step-by-step explanation:

We are given sinФ = 7/12

We need to find cosФ

The basic trigonometric functions of right triangle are:

$sin\theta=\frac{opposite}{hypotenuse}$

$cos\theta=\frac{adjacent}{hypotenuse}$

We need values of adjacent and hypotenuse to find cosФ

Using Pythagoras theorem we can find the value of adjacent

$(Hypotenuse)^2= (Opposite)^2+(Adjacent)^2$

We have Hypotenuse= 12 and Opposite = 7 (because $sin\theta=\frac{opposite}{hypotenuse}$ and we are given $sin\theta=\frac{7}{12}$

Inserting values and finding adjacent:

$(Hypotenuse)^2= (Opposite)^2+(Adjacent)^2\\(12)^2=(7)^2+(Adjacent)^2\\144=49+(Adjacent)^2\\144-49=(Adjacent)^2\\95=(Adjacent)^2\\\sqrt{(Adjacent)^2} =\sqrt{95}\\Adjacent=\sqrt{95}$

So, value of Adjacent is $\sqrt{95}$

Now finding cosФ

$cos\theta=\frac{adjacent}{hypotenuse}$

Adjacent = $\sqrt{95}$ , hypotenuse = 12

$cos\theta=\frac{\sqrt{95} }{12}$

So, If the sinø=7/12, cosø is $\frac{\sqrt{95} }{12}$

7 0

3 years ago

Question 3 of 8 Which of the symbols correctly relates the two numbers below? Check all that apply. 19 ? 20

levacccp [35]

Answer:

a and d

Step-by-step explanation:

it has a ratio comparison

7 0

3 years ago

Please help! Solve for a.

Marat540 [252]

What am I solving? Like what is the question?

3 0

3 years ago

WILL MARKBRANLIEST<br> ...

MA_775_DIABLO [31]

Make ratios.

12/16: 15/x

cross multiply

12(x) = 12x
16(15) = 240

12x = 240

isolate the x, divide 12 from both sides

12x/12 = 240/12

x = 20

D) 20 km is your answer

hope this helps

5 0

3 years ago