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Aleonysh [2.5K]
3 years ago
12

What is 3x2- 2x -7 = 0

Mathematics
1 answer:
Damm [24]3 years ago
8 0
Use the order of operations or PEMDAS
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If Tan is 3/4 what is sin?
Pani-rosa [81]

Answer:

tanA=34⟹sinA=332+42−−−−−−√=35  

Now, we have

sinAcosA=tanA  

⟹3/5cosA=tanA  

⟹cosA=13×54×3  

⟹cosA=45  

⟹cosAsinA=4×35×5=1225  

Step-by-step explanation:

7 0
3 years ago
There are about 61,000 people at a soccer game. How can 61,000 be written using a power of 10?
taurus [48]

One of the closest answers would be 3.010^{10}

8 0
2 years ago
What is an equation of the line that passes through the point (-4,-7) and is perpendicular to the line 2x+3y=18??
Bezzdna [24]

Answer:

y = 3/2x - 1

Step-by-step explanation:

Given: 2x + 3y = 18

The equation of the line in the slope-intercept form is y = -2/3x + 6.

slope = m = -2/3

The slope of the perpendicular line is negative inverse.

m = 3/2.  

Equation of the perpendicular line:

y = 3/2x + a.

Use the given point of (-4, -7) to find a:

-7 = (3/2)(-4) + a

a=−1.

y = 3/2x - 1

6 0
3 years ago
Geometry math question no Guessing and Please show work thank you
Cloud [144]

here two given sides are 10 and 6,

We use the rule of triangle here:

sum of two sides> third side

checking for each option

Option A: AC=4

4+6>10, 10>10 (false)

So AC cannot be equal to 4, option A is answer.

3 0
3 years ago
Which of the following describes the function x4 − 3?
Elenna [48]

Answer:

Option D

Step-by-step explanation:

We have given that function: f(x)=x^4-3

We can see this through graph attached that the coordinate of planes on the left and right moves upward.

By the definition of degree of the polynomial state that highest degree of x is the degree of polynomial i.e. 4 which is even which implies that the degree of the function is even.

The above statement implies that the degree of the function is even, so the ends of the graph continue in the same direction. As the leading coefficient is positive, the left side of the graph continues up the coordinate plane and the right side also continues upward.

therefore, option D is correct

6 0
3 years ago
Read 2 more answers
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