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aniked [119]
3 years ago
8

Compare 5/4 and 9/10. describe two methods you could use to compare the fractions

Mathematics
1 answer:
VladimirAG [237]3 years ago
6 0
\frac{5}{4}\ \textgreater \ \frac{9}{10}

1.You can convert them so that they have equal denominators. Then, the numerator can help you decide.
2. Convert them into decimals and compare.
3. Sketching out the fraction that represents wholes and parts.

Here, the numerator of 5/4 was larger than the denominator, unlike 9/10. Subsequently, you can infer that 5/4>9/10
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GUYS PLEASE HELP ME OUT
nordsb [41]

Answer:

x = - 4, 0, 3, 4

Step-by-step explanation:

Given

f(x) = - 5x(x² - 16)(x - 3) ← x² - 16 is a difference of squares, thus

f(x) = - 5x(x - 4)(x + 4)(x - 3)

To find the zeros, equate f(x) to zero, that is

- 5x(x - 4)(x + 4)(x - 3) = 0

Equate each factor to zero and solve for x

- 5x = 0 ⇒ x = 0

x - 4 = 0 ⇒ x = 4

x + 4 = 0 ⇒ x = - 4

x - 3 = 0 ⇒ x = 3

Thus the zeros are

x = - 4, x = 0, x = 3, x = 4

4 0
3 years ago
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Can someone help me answer this question :)
jeka57 [31]

Answer:

Step-by-step explanation:

find the slope 1/2

then write it as y-4=1/2(x+6)

then u get y=1/2x+7

7 0
3 years ago
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When s is the open hemisphere x 2 + y 2 + z 2 = 1, z ≤ 0 , oriented by the inward normal pointing to the origin, then the bounda
Anit [1.1K]
The figure below shows a diagram of this problem. First of all we graph the hemisphere. This one has a radius equal to 1. Given that z ≤ 0 a sphere will be valid only in the negative z-axis, that is, we will get a half of a sphere that is the hemisphere shown in the figure. We know that this hemisphere is oriented by the inward normal pointing to the origin, then we have a Differential Surface Vector called N, using the Right-hand rule <span>the boundary orientation is </span>counterclockwise.

Therefore, the answer above False

5 0
4 years ago
The sum of two numbers is 140, and their difference is 20. What are the two numbers?
cricket20 [7]

Answer:

60 and 80.

Step-by-step explanation:

If the numbers are x and y:

x + y = 140

x - y = 20     Adding:

2x = 160

x = 80

So y =  140 - 80 = 60.

5 0
2 years ago
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Which option equals tan 40°? Select all that apply.
AlladinOne [14]
Answers
(sin40)/(cos40)  and 
(cos50)/(sin50)

Explanations
Tangent is a trigonometric ratio given by,
tan = opposite/adjacent.
lets take,
x⇒adjacent
y⇒opposite
h⇒hypotenuse

tanФ=y/x
sinФ=y/h  and 
cosФ=x/h

(sinФ)/(cosФ) = y/h ÷ x/h
                      =y/h×h/x
                      =y/x
This shows that
(sinФ)/(cosФ) = tanФ

We also know that,
sinФ = cos(90-Ф). So,
sin40 = cos(90-40) =cos50

So therefore;

tan40 = (sin40)/(cos40) = (cos50)/(sin50)

4 0
4 years ago
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