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murzikaleks [220]
3 years ago
9

Jessica is saving up for a coat and knows she ll need to spend at least $150 to get the one she wants. She saves $20 each month.

How long will she need to save before she can go coat shopping? Which of the following inequalities could you use to solve this problem?
Mathematics
1 answer:
tresset_1 [31]3 years ago
7 0
The correct answer is B.
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Heeelp<br> . Can someone please answer this to meee ? <br><br><br><br><br><br><br> .
lilavasa [31]

Answer:

If f(x)=g(x), the solution is x=-2

Step-by-step explanation:

We are given:

f(x)=3x+3\\g(x)= (-1/2)x-4

We need to find the solution if f(x)=g(x)

Now solving for f(x)=g(x)

f(x)=g(x)\\3x+3=(-\frac{1}{2}x)-4\\3x+3=-\frac{1}{2}x-4\\3x+\frac{1}{2}x=-4-3\\\frac{3x*2+x}{2}=-7\\\frac{6x+x}{2}=-7\\\frac{7x}{2}=-7\\x=-7*\frac{2}{7}\\x=-2

If f(x)=g(x), the solution is x=-2

7 0
3 years ago
Whats the exact value of csc^-1(csc -315°) in radian form or fraction form?
Norma-Jean [14]

Answer: \frac{\pi}{4} radians

<u>Explanation:</u>

csc⁻¹ (csc -315°)

csc⁻¹ and csc cancel out so you are left with -315°

-315° + 360° = 45°

Look at the Unit Circle to see that 45° = \frac{\pi}{4} radians

6 0
3 years ago
A certain television is advertised as a 10-inch TV (the diagonal length). If the width of
taurus [48]

Answer:

8 in

Step-by-step explanation:

Given data

DIagonal= 10 in

Width= 6 in

`Height=???

We know that the expression that can be used to find the missing dimension is given as

d^2= w^2+h^2

substitute

10^2=6^2+h^2

100= 36+h^2

100-36= h^2

64= h^2

h= √64

h= 8 in

Hence the height is 8 in

8 0
2 years ago
Hello :”) how to do 5(a)?
Eva8 [605]

Answer:

f'(x) = \frac{sin( \frac{1}{x}) }{ {x}^{2} }

Step-by-step explanation:

Please see the attached picture for the full solution.

• Differentiate cosine

• Then multiply it with the derivative of the term inside the bracket

4 0
2 years ago
Write 108.92 in expanded form
Kaylis [27]
108.92 = 100 + 8 + 0.9 + 0.02
5 0
3 years ago
Read 2 more answers
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