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faltersainse [42]

3 years ago

6

Nathan's lawn mower uses 23 of a tank of gas to cut three one-acre lawns. How many one-acre lawns can he cut with a full tank of

gas? Explain using ratios.

1 answer:

Angelina_Jolie [31]3 years ago

6 0

60 Gallons To FInish The Whole Entire Yard I think double check to make sure

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Express the sum of the polymonial 3x^2+15x-56 and the square of the binomial (x-8) as a polynomial in standard form.

tester [92]

Given:

Polynomial is $3x^2+15x-56$ .

To find:

The sum of given polynomial and the square of the binomial (x-8) as a polynomial in standard form.

Solution:

The sum of given polynomial and the square of the binomial (x-8) is

$3x^2+15x-56+(x-8)^2$

$=3x^2+15x-56+x^2-2(x)(8)+8^2$ $[\because (a-b)^2=a^2-2ab+b^2]$

$=3x^2+15x-56+x^2-16x+64$

On combining like terms, we get

$=(3x^2+x^2)+(15x-16x)+(-56+64)$

$=4x^2-x+8$

Therefore, the sum of given polynomial and the square of the binomial (x-8) as a polynomial in standard form is $4x^2-x+8$ .

7 0

3 years ago

What is the proof for this?

Butoxors [25]

Knowing nexnjhdjhdhfgnu. Hngj

5 0

3 years ago

Christine,milan, and Scott sent a total of 145 messages during the weekend . Christine sent 7 more messages than Scott . Milan s

AURORKA [14]

Answer:

number of message sent by Scott is 23

number of message sent by Christine is 30

number of message sent by Milan is 92

Step-by-step explanation:

Total message sent by Christine,Milan, and Scott : 145

Let number of message sent by Scott be x .

Given that Christine sent 7 more messages than Scott

number of message sent by Christine is x+7

It is also given that Milan sent 4 times as many messages as Scott

number of message sent by Milan is 4*x = 4x.

Thus, sum of message sent by Christine,milan, and Scott in terms of x

= x + x + 7 + 4x = 6x + 7

we already know that Total message sent by Christine,milan, and Scott is 145

thus, 6x + 7 should be equal to 145

6x + 7 = 145

=>6x = 145 - 7 = 138

=> x = 138/6 = 23

Thus,

number of message sent by Scott is x = 23

number of message sent by Christine is x+7 = 23+7 = 30

number of message sent by Milan is 4x = 4*23 = 92

3 0

4 years ago

Number sequence <br><br>write the correct number in between to complete the number sequence.

Alborosie

Answer:

1. 15, 13

2. 12, 6

3. 130,135

4. 44, 41

5. 42, 52

Step-by-step explanation:

1. the answer is 15,13 because the sequence goes with minus 2

2. the answer is 12,6 because the sequence goes with divided by 2

3. the answer is 130,135 because the sequence goes with plus 5

4. the answer is 44, 41 because the sequence goes with minus 3

5. the answer is 42,52 because the sequence goes with plus 10

8 0

3 years ago

6x+8=x-2 what is the answer to this

rodikova [14]

Answer:

x= -2

Step-by-step explanation:

6x+8=x-2

6x-x= -2-8

5x= -10

x= -10/5

x= -2

7 0

3 years ago