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AysviL [449]
3 years ago
13

Working together, it takes two different sized hoses

Mathematics
1 answer:
stiks02 [169]3 years ago
5 0
Using one small hose speed ups filling the pool by 5 minutes. Therefore, five small hoses can fill the pool without the need of large hose in 25 minutes.
One small hose needs: 25 × 5 = 125 minutes to fill the pool.
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RST is dilated about the origin,O, to creat R’S’T’. Point R is located at (3,9) and point R is located at (1.2, 3.6). Which scal
sashaice [31]

Answer:

The scale factor used is 0.4

Step-by-step explanation:

Given

R = (3,9)

R' = (1.2, 3.6)

Required

Determine the scale factor of RST

The question can be solved using scale factor formula

Scale factor is calculated as thus;

Scale\ Factor = \frac{New\ Length}{Old\ Length}

In this case; R' is the new length and R is the old length

Scale\ Factor = \frac{R'}{R}

Substitute the values of R and R'

Scale\ Factor = \frac{(1.2,3.6)}{(3,9)}

Factorize the denominator

Scale\ Factor = \frac{(1.2,3.6)}{2.5(1.2,3.6)}

Scale\ Factor = \frac{1}{2.5}

Scale\ Factor = 0.4

<em>Hence, the scale factor used is 0.4</em>

5 0
3 years ago
Tori has a wardrobe that is 7 feet tall, 3 feet wide, and 2 feet long. She wants to buy a new wardrobe that is 7 feet tall, 4 fe
Rudiy27

The difference in the volume of the 2 wardrobes is that she wants a new wardrobe that is a foot wider than her last wardrobe.

8 0
3 years ago
If UW=6x-35, UV=19, VW=4x-20 , what is UW
Anarel [89]
Since V is a point on the line UW, therefore:
the length of UV + the length of VW = the length of UW
19 + 4x - 20 = 6x - 35
19 - 20 + 35 = 6x - 4x
34 = 2x
x = 34/2 = 17

Based on this:
UW = 6x - 35 = 6(17) - 35 = 67 cm
UV = 19 cm
VW = 4x - 20 = 4(17) - 20 = 48 cm
3 0
4 years ago
Read 2 more answers
URGENT!! A product of the rational expression?
Vilka [71]
Answer: A. 21/2x^2 + 4x

Explanation:

(3/x+2)(7/2x)
= 21/(x+2)(2x)
= 21/2x^2 + 4x
4 0
3 years ago
6. Charlie can spend up to $8 on lunch. He wants to buy a tuna sandwich, a bottle of
PilotLPTM [1.2K]

Answer:

The maximum number of pounds of potato salad that Charlie can buy is 0.375

Step-by-step explanation:

see the attached figure to better understand the problem

Let

a ----> the cost of one tuna sandwich

b ----> the cost of a bottle of apple juice

c ----> the cost per pound of potato salad

x ----> pounds of potato salad

we have

a=\$4.25

b=\$2.25

c=\$4.00/lb

we know that

He wants to buy a tuna sandwich, a bottle of  apple juice, and x pounds of potato salad and can spend up to $8

The inequality that represent this situation is

a+b+cx \leq 8

substitute the given values

4.25+2.25+4.00x \leq 8

Solve for x

Combine like terms

6.50+4.00x \leq 8

Subtract 6.50 both sides

4.00x \leq 8-6.50

4.00x \leq 1.50

Divide by 4 both sides

x \leq 1.50/4.00

x \leq 0.375\ lbs

therefore

The maximum number of pounds of potato salad that Charlie can buy is 0.375

3 0
3 years ago
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