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3 years ago

What is the percentage of sugar in the syrup made of 10 kg of water and 15 kg of sugar?

Mathematics

2 answers:

ra1l [238]3 years ago

4 0

Step-by-step explanation:

divide the weight of the sugar by the weight of the water then multiply it by hundred

SCORPION-xisa [38]3 years ago

4 0

Answer:

60%

Step-by-step explanation:

15/(15+10) × 100

15/25 × 100 = 60%

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Janice is building a fence around a portion of her rectangular yard. The length of yard she will enclose is x, and the width is

Kipish [7]

We are given

length of rectangular yard is x

so, $L=x$

width of rectangular yard is

so, $W=2x^2-98x+5$

We are given

the length of the enclosed yard is 50 feet

so, we get

$L=x=50$

now, we can plug x=50 and then we can find width

$W=2(50)^2-98(50)+5$

$W=105$

now, we can find total fencing length

so, total fencing length is

$=2L+2W$

now, we can plug values

$=2\times 50+2\times 105$

$=310feet$

now, we are given

the cost of fencing is $13 per foot

so,

total cost = (cost of fencing)*(total fencing length)

we can plug values

$C=13\times 310$

$C=4030$

So, Janice will spend $4030.........Answer

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3 years ago

Section 5.2-9. Solve the following system of equations by substitution or elimination. Enter your answer as (x,y).2x+y = 2-3x-2y

Alika [10]

$\begin{gathered} (2x+y=2)\times2 \\ -3x-2y=-8 \\ 4x+2y=4 \\ -3x-2y=-8 \\ \text{subtract above two equations} \\ x=-4 \\ \text{put the value of x in equation 1st then get y} \\ 4(-4)+2y=4 \\ -16+2y=4 \\ 2y=20 \\ y=10 \\ (x,y)=(-4,10) \end{gathered}$

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1 year ago

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What is the greatest common factor of 3x4, 15x3, 21x2

Sonja [21]

Answer:

$3x^2$

Step-by-step explanation:

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2 years ago

Derek has a bird that weighs 4 pounds. Use the double line diagram below to help you determine approximately how many kilograms

STatiana [176]

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3 years ago

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ms.halquist and 3 friends went to eat sushi.The meal cost 45$ and they paid waitress a 15%tip .how much was the bill?

brilliants [131]

Answer: 51.75$

Step-by-step explanation: First, turn 15% into the decimal 0.15, then multiply by 45, which equals 6.75. Now add 6.75, which is the amount the waitress got tipped to 45, which equals 51.75$ total.

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3 years ago