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3 years ago

Solve , -5x + 20 < 5

Mathematics

2 answers:

katovenus [111]3 years ago

7 0

Answer:

x>3

Step-by-step explanation:

julsineya [31]3 years ago

6 0

Let's solve your inequality step-by-step. −5x+20<5

Step 1: Subtract 20 from both sides. −5x+20−20<5−20−5x<−15

Step 2: Divide both sides by -5.‌ −5x−5‌<‌−15−5‌x>3

Answer: x>3

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A store owner uses a selling price of 125% of the cost of an item. If a pair of jeans has a sales price of $52.50, what cost doe

IgorC [24]

Answer:

The cost store owner pay for the pair of jeans is $42.

Step-by-step explanation:

Given:

A store owner uses a selling price of 125% of the cost of an item.

If a pair of jeans has a sales price of $52.50.

Now, to find the cost price of the store owner pay for the pair of jeans.

Let the cost price of jeans be $x.$

Sell price of jeans = $\$52.50.$

Now, to get the cost price of store owner pay for the pair of jeans:

As given the store owner uses a selling price of 125% of the cost of an item.

According to question:

$125\%\ of\ x=52.50$

$\frac{125}{100} \times x=52.50$

$1.25x=52.50$

Dividing both sides by 1.25 we get:

$x=42.$

The cost price of jeans = $42.

Therefore, the cost store owner pay for the pair of jeans is $42.

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2 years ago

F(9) if f (x)=5x-16

andrezito [222]

F (9)= 5(9) -16
45-16
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2 years ago

4. Solve by factoring: 10 = x2 – 3x,

Delvig [45]

Answer:

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Step-by-step explanation:

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2 years ago

X-7/4 =-2 I need helpp

Gwar [14]

Answer:

x = -1

Step-by-step explanation:

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3 years ago

Becky likes to skate at a movie theater that is due south of her school and west of her favorite ice cream parlor. If the movie

garik1379 [7]

Answer:

The movie theater is 3 miles away from the the ice cream parlor.

Step-by-step explanation:

The position of Becky's school (S) and the movie theater (M)and the ice cream parlor (I) make a right triangle.

Hence, Δ SMI is a right triangle with ∠ M is the right angle i.e. 90°.

Now, given length of segment SM is 4 miles and the hypotenuse i.e. line segment SI = 5 miles.

Hence, applying Pythagoras Theorem,

SI² = SM² + MI²

⇒ 5² = 4² + MI²

⇒ MI = 3 miles.

Therefore, the movie theater is 3 miles away from the ice cream parlor. (Answer)

8 0

2 years ago