Daniel is three years older than twice his brother's age. Daniel is 17. Fill in the box with the expression that represents the age of Daniel's brother. Let b represent Daniel's brother's age.

Answers

Answer 1

Answer: Daniel's age is X
Daniel's brother age is Y

X = 3 + ( 2Y )

Y = ( X - 3 ) / 2

In case of Daniel is 17

then his brother's age is = ( 17 - 3 ) / 2 = 7 years

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I need help with the answer
Solve these system of linear equations:5x-y=10}4x-2y=20}AND:3x+4y=12}2x-y=-10}WITH STEPS PLEASE!!!!!

What is the value of the equation below when a=3 and b=7
a2-2b

Answers

This equation uses substitution
a=3 b=7
a2-2b
(3)2-2(7)
5-14
-9

Work out the volume of a cube of edge 4m

Answers

The volume of a cube is (the length of its edge)³ .

That's why ( )³ is called ( )-cubed .

   (4m)³ = (4m) x (4m) x (4m)

   = (4 x 4 x 4) (m x m x m)

   =     64 m³ .

1. write 13 3/4 as an improper fraction

2. wirte 4 3/5 as an improper fraction

thank you

Answers

$1) 4*13 = 52+3 = 55, \frac {55}{4} \n2)5*4=20+3=23, (23)/(5)$

1. 55/4

2. 27/5

hope this helps and have a great day! =D

Harold buys a backpack thatcosts $24.80. It is on salefor 25% off. Harold also hasa coupon for an additional10% off the lowest price.What is the final price of thebackpack (not including tax)?

Answers

Final price of the backpack (not including tax) = $16.74

Given that

Initial cost of backpack = $24.80

First Discount = 25% off $*$ Initial Cost =$ $24.80 * (25)/(100)$ = $ 6.2

So modified price = 24.80 - 6.2 = $18.6

Also Harold has a coupon with 10% on the modified price.

so we can write 10% of $18.6 = $ 1.86

so we can write the final price for the backpack = 18.6 - 1.86 = $16.74

For more information about discount please refer to the link below

brainly.com/question/2736271

24.80 ÷ 4 = 6.2, and 24.80 - 6.2 = 18.6. With the second coupon, another 1.86 is removed, making the backpack $16.74

If if takes 3 mins to sew 1in, how many mins will it take to sew 9ft?

Answers

In the given question, there are several information's of immense importance. based on these information's, the required answer can be easily deduced. It is already given that it takes 3 minutes to sew 1 inches. It is required to find the time required to sew 9 ft.Firstly we have to convert the 9 ft into inches.
1 ft = 12 inches
Then
9 ft = (12 * 9) inches
= 108 inches
To sew 1 inch the time required = 3 minutes
Time required to sew 108 inches = (3 * 108) minutes
= 324 minutes
So it will take 324 minutes to sew 9 ft

Multiply 9 times 3 = 27 <-- There's your answer!

Which is greater 45/100 or 6/10? Explain.

20 pts! ^ ^ Please Answer Explaining it .. :l

Answers

6/10 is greater. If you made the number under the top number equal to 100, like the other one (45/100) you would get 60/100 which is greater than 45/100. You can make fractions larger like I did by multiplying both the top and bottom number by the same number, in this case 10

Answer:

6/10

Step-by-step explanation:

6/10 changed into denomination 100 is 60/100 which is larger than 45/100

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Write a number sentence to subtract 3 tens from 93

Solve for b-3=4/3+b