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Tems11 [23]
2 years ago
15

Which is the correct solution for the expansion 3+5^2?

Mathematics
2 answers:
Norma-Jean [14]2 years ago
7 0

Answer:

3+5^2 = 28

Step-by-step explanation:

alisha [4.7K]2 years ago
5 0

The answer to the expansion of the expression, 3+5^2 is 28

<h3>How to expand an expansion</h3>

An expansion of an expression is the evaluation of the expression to its simplest form

Given:

3+5^2

= 3 + 5²

= 3 + (5 × 5)

= 3 + 25

= 28

Therefore, answer to the expansion of the expression, 3+5^2 is 28

Learn more about expansion:

brainly.com/question/13602562

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If triangle RST is within Quadrant 4 and cos R= √3/2, what is the value of cotR
Nesterboy [21]

Answer:

CotR = -√3

Step-by-step explanation:

In the 4th quadrant, sin is negative;

Since Cos R = √3/2,

Adjacent = √3

Hypotenuse = 2

Get the opposite;

opp^2 = 2^2 -(√3)^2

opp^2 = 4 - 3

opp^2 = 1

Opp = 1

Get sinR

Sin R = opp/hyp

SinR=  -1/2

CotR = cosR/sinR

CostR = (√3/2)/(-1/2)

CotR = √3/2* -2/1

CotR = -√3

6 0
3 years ago
I need to find the area of these shapes
Wewaii [24]

Answer:

1: 374cm

2: 248mm

3: 69m

I believe this is the right answer but I don't think the labels are correct

6 0
3 years ago
Find an equation of a line that is tangent to the graph of f and parallel to the given line. Please see picture
ivanzaharov [21]

Answer:

y = 3x - 2 (smaller y-intercept)

y = 3x + 2 (larger y-intercept)

Step-by-step explanation:

First let's write the generic equation of a line:

y = ax + b

This line needs to be parallel to the line 3x - y + 5 = 0, so it needs to have the same slope of this line.

The line 3x - y + 5 = 0 has a slope of 3, so our line has a = 3:

y = 3x + b

Now we need to find the values of b that make this line tangent to the function f(x) = x^3

Let's first find the derivative of f(x) in relation to x:

df(x)/dx = 3x^2

This derivative is the slope of the tangent line to the function for any value of x. We need a slope of 3, so:

3x^2 = 3

x^2 = 1

x = ±1

Now, to find the y-values, we have:

f(1) = 1^3 = 1

f(-1) = (-1)^3 = -1

So, using the points (1,1) and (-1,-1) in our parallel line, we have:

first line using (1,1) : 1 = 3*1 + b

b = -2

second line using (-1,-1) : -1 = -3*1 + b

b = 2

The value of b is the y-intercept of the line, so the line with smaller y-intercept is y = 3x - 2, and the line with larger y-intercept is y = 3x + 2

8 0
3 years ago
Help sense No one understands.
Blababa [14]
I think either 3 or 7

7 0
3 years ago
Read 2 more answers
What is the equation of the line that passes through the point (-3, 2) and has a<br> slope of -2/3
Mazyrski [523]

Answer:

y=-2/3x

Step-by-step explanation:

if you use the graphing calculator, the y intercept of the equation is 0 therefore y=mx

m=-2/3

the slope intercept equation is y=-2/3x

5 0
3 years ago
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