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2 years ago

I need help with this fast

Mathematics

1 answer:

bonufazy [111]2 years ago

7 0

The first one is fraction and the second one is volume.

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The sum of the two numbers is 40 and the difference is 6. What are the numbers?

natita [175]

Answer:

17 + 23 = 40

23 - 17 = 6 the other person did it right.

6 0

2 years ago

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A student is asked to find a polynomial f(x) of degree four with the zeros 2, -3, 0, and -7. What factors would the student mult

lord [1]

Answer:

(x-2), (x+3),x and (x + 7)

Step-by-step explanation:

Here, the zeros of the polynomial are 2, -3, 0 and -7.

Let’s consider a case of a quadratic equation where x = 5 is a solution. This means that x + 5 is a factor of that quadratic equation.

Now, let’s apply same approach to this polynomial. If x = 2 is a solution, then x -2 is a factor. If x = -3, then, x + 3 is a factor. If x = 0, this means x itself is a solution and lastly, if x = -7 is a solution, that means x + 7 is a factor.

Thus, the factors to multiply together are; (x-2), (x+3),x and (x + 7)

4 0

3 years ago

The length of a rectangle is 4 centimeters more than twice its width. If the perimeter of the rectangle is 86 centimeters , find

tensa zangetsu [6.8K]

P = perimeter = 2L + 2W = 86 cm. Also, L = W + 4. Subst. W + 4 for L,

P = 2(W + 4) + 2W = 86 cm. Then 2W + 8 + 2W = 86 cm, and 4W = 78 cm.

Finally solving for W, W = (78 cm)/4, or 19.5 cm.

If W = 19.5 cm, then L = W + 4 cm = 19.5 cm + 4 cm = 23.5 cm

The rectangle's dimensions are 19.5 cm by 23.5 cm.

6 0

2 years ago

Find the nth term for this sequence -1 - 4 - 9 - 16 - 25

Fudgin [204]

Answer:

Un = -n²

Step-by-step explanation:

Un = -n²

it's a quadratic term but with minus sign, just it

U1 = -1² = -1

U2 = -2² = -4 and so on

7 0

3 years ago

Carlton thinks that converting metric units is as easy as moving the ________

fredd [130]

Answer:

Carlton thinks that converting metric units is as easy as moving the decimal point

Step-by-step explanation:

When you convert the unit, you move decimal point on your answer from the left to the right or from the right to the left the number of places as per relevant prefix.

Example:

1 meter = 1000 millimeters (1.0 m = 1000.0 mm)
1 milligram = 0.001 grams ( 1.0 mg = 0.001 g)

see attached for prefixes

6 0

3 years ago

Read 2 more answers