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hram777 [196]
3 years ago
7

Write a compound inequality that represents each situation. Graph your solution all real numbers that are greater than –8 but le

ss than 8.
Mathematics
2 answers:
VikaD [51]3 years ago
7 0
All real numbers greater then -8 but less then 8
-8 < x < 8 <==
nevsk [136]3 years ago
7 0
D. because i know what im talking about and the answer below me confirmed what i thought to be true so dont judge


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A merchant bought some shirts for $120. The next day the price charged for each shirt was reduced by $1. The merchant calculated
Goshia [24]

Answer:

The merchant buys 30 shirts originally.

Step-by-step explanation:

Let us assume that the merchant bought x numbers of shirts in $120.

So, the cost for each shirt is $\frac{120}{x}.

Now, if the cost for each shirt is reduced by 1$, then he would have bought 10 shirts more i.e. (x + 10) shirts in $120.

So, we can write the following equation as  

(\frac{120}{x} - 1)(x + 10) = 120

⇒(120 - x)(x + 10) = 120x

⇒ 120x - 10x + 1200 - x² = 120x

⇒ x² +10x - 1200 = 0

⇒ x² + 40x - 30x - 1200 = 0

⇒(x + 40)(x - 30) = 0

⇒ x = - 40 or x = 30

But x can not be negative.

Hence, the merchant buys 30 shirts originally. (Answer)

6 0
3 years ago
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6 0
3 years ago
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The equation of the line in the graph is y= (blank) x+ (blank)
VashaNatasha [74]
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3 years ago
Find the total surface area of the triangular pyramid
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3 years ago
a circle has a radius of 7ft. Find the radian measure of the central angle 0 that intyercepts an arc of length 16ft
Iteru [2.4K]

Answer:

2.29 rads

Step-by-step explanation:

The  length of the arc of a circle of radius r is given by;

l = rθ            ---------------------------(i)

Where;

l = length of the arc

θ = central angle o that intercepts that arc and measured in radians.

From the question:

l = 16ft

r = 7ft

Substitute these values into equation (i) as follows;

16 = 7θ

Make θ subject of the formula

θ = \frac{16}{7}

θ = 2.29    

Therefore, the radian measure of the central angle is 2.29 rads

8 0
3 years ago
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