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RUDIKE [14]
2 years ago
7

Help please thanks. ​

Mathematics
1 answer:
KIM [24]2 years ago
7 0

Answer:

Answer below

Step-by-step explanation:

a. g(w)=$30+$15w

b. h(w)=$65+$20w

c. g(3)=125 represents that Darnell's account has $125 after 3 weeks

d. w=3.5

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A frozen yogurt shop weighs customers' cups on a scale to determine how much they will pay for their yogurt. The scale rounds we
MAVERICK [17]
What is the question? 

7 0
4 years ago
Read 2 more answers
Solve the triangle.<br><br> B = 36°, a = 41, c = 20
svetoff [14.1K]

Answer:

See below

Step-by-step explanation:

When you have 2 sides and the angle between them you use the cosine theorem or law of cosines:

b^{2}=a^{2}+c^{2}-2acCos(B)

b^{2}=41^{2}+20^{2}-2(41)(20)cos36 \\b^{2}=1681 + 400-1327 \\b^{2}=754 \\b = 27.5

After you have a side and the opposed angle (side b and angle B), you use the law of sines:

\frac{a}{sinA} =\frac{b}{sinB}=\frac{c}{sinC}

I will calculate angle A first:

[tex]\frac{27.5}{sin36} =\frac{41}{sinA} \\sinA =\frac{41}{27.5} sin36 \\sin A = 0.876 \\A = 61.2\°[/tex]

Same for angle C:

\frac{27.5}{sin36} =\frac{20}{sinC} \\sinC =\frac{20}{27.5} sin36 \\sin C = 0.427 \\C = 25.3\°

The sum of the angles is 36° + 61.2° + 25.3° = 122.5°; The sum must be 180° so this isnt a triangle.

I re did the problem using B as 63° instead of 36° in case you wrote it wrong and I got a satisfactory answer.

using B = 36:

b = 36.6

angle A = 86.4°

angle C = 29.1°

A+B+C = 86.4° + 29.1° + 63° = 178.5° ~ 180°

5 0
3 years ago
What’s the answer??(SOMEONE PLEASE HELP ME)
aleksandr82 [10.1K]

We know that According to Algebra of Real Functions :  

If f and g are two real functions which are defined under the same domain then (\frac{f}{g})(x) = \frac{f(x)}{g(x)}

\implies Given\;Function\;is\;\frac{-1}{x\sqrt{3x - 9}}

Now we need find the Domain of this Function :

The Condition for Square Root to be defined is any Expression under it should be Greater than or Equal to Zero.

When Function is a Fraction, it Cannot be defined when the denominator becomes zero. Because when the denominator is zero, the fraction tends to ∞ (because anything divided by zero tends to ∞)

According to Above Conditions Described above, The Given Function is Definable only when the Expression which is under the Square Root is Greater than Zero and x ≠ 0

⇒ 3x - 9 > 0

⇒ 3x > 9

⇒ x > 3

⇒ The Domain of the Given Function is (3 , ∞)

1st Option is the Answer

6 0
4 years ago
PLEASE HELP MEEEEEE~!!!!!!!!!!!!<br> Solve for x. -8 = x2<br> x=<br> (NUMERICAL VALUE ONLY)
natita [175]

-8=x^2\\&#10;x\in\emptyset

If x\in \mathbb{C}

x=\sqrt{-8} \vee x=-\sqrt{-8}\\&#10;x=2\sqrt2i \vee -2\sqrt2i

3 0
3 years ago
Which statement describes how the graph of the given polynomial would change if the term -3x6 is adde
Lesechka [4]

Given:

Polynomial is 2x^6+9x^5-7x^3-1.

Term -3x^6 is added in the given polynomial.

To find:

The end behavior of new polynomial.

Solution:

Let, P(x)=2x^6+9x^5-7x^3-1.

New polynomial is

f(x)=2x^6+9x^5-7x^3-1+(-3x^6)

f(x)=(2x^6-3x^6)+9x^5-7x^3-1

f(x)=-x^6+9x^5-7x^3-1

Highest power of x is 6 which is even and leading coefficient is negative. So,

f(x)\to -\infty\text{ as }x\to -\infty

f(x)\to -\infty\text{ as }x\to \infty

Both ends of the graph will approach negative infinity.

Therefore, the correct option is A.

5 0
3 years ago
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