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statuscvo [17]
3 years ago
6

Kadin wants to buy a laptop that costs $500. He has already saved $80. He decides to save $30 each week. What is the least numbe

r of weeks he should save for to achieve his goal?
Mathematics
1 answer:
Eva8 [605]3 years ago
5 0

Answer: 14 weeks

Step-by-step explanation:

Given

Kadin wants to buy a laptop of \$500

He already saved \$80 and started saving \$30 each week

Suppose he saves for x weeks to get the laptop i.e.

\Rightarrow 500=80+30x\\\Rightarrow 420=30x\\\Rightarrow x=14\ \text{weeks}

So, he need to save for 14 weeks to buy the laptop

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Janice and Emily are selling raffle tickets. So far they have sold 42 tickets, which is 12% of what they're trying to sell. How
Degger [83]

Answer:

350 tickets

Step-by-step explanation:

if you do 42/350, it would equal 12%, so 350 is the total

7 0
3 years ago
Which of the following is a linear factor of 2x2 - x-6 ?
Julli [10]

Answer:

C

Step-by-step explanation:

Given

2x² - x - 6

Consider the factors of the product of the x² term and the constant term which sum to give the coefficient of the x- term.

product = 2 × - 6 = - 12 and sum = - 1

The factors are - 4 and + 3

Use these factors to split the x- term

2x² - 4x + 3x - 6 ( factor the first/second and third/fourth terms )

= 2x(x - 2) + 3(x - 2) ← factor out (x - 2) from each term

= (x - 2)(2x + 3) ← in factored form

Thus 2x + 3 is a factor → C

6 0
3 years ago
During the 2005 football season team tackle the team sack by eight points if the combine scores total of 26 find the individual
Ierofanga [76]

Answer:

Team sack = 9

Team tackle = 17

Step-by-step explanation:

To start with, we'd assume that

Let x = the points scored by Team Sack

Let x + 8 = the points scored by Team Tackle

x + x + 8 = 26

So, go further and solve mathematically

2x + 8 = 26

if we subtract 8 from both sides, we have

2x = 18

Next, we then divide both sides by 2. So that,

x = 18/2

x = 9

Since we assumed the total points for Team Sack to be x, then Team Sack scored 9 points while Team Tackle scored x + 8 points, and that is 17

3 0
3 years ago
Y=-2x+4 y=6x+12 substitution method
sergey [27]

Answer:

x = - 1, y = 6

Step-by-step explanation:

Given the 2 equations

y = - 2x + 4 → (1)

y = 6x + 12 → (2)

Substitute y = 6x + 12 into (1)

6x + 12 = - 2x + 4 ( add 2x to both sides )

8x + 12 = 4 ( subtract 12 from both sides )

8x = - 8 ( divide both sides by 8 )

x = - 1

Substitute x = - 1 into either of the 2 equations and solve for y

Substituting into (2)

y = 6(- 1) + 12 = - 6 + 12 = 6

Solution is (- 1, 6 )

6 0
3 years ago
A crane able can support a maximum load of 15,000 kg. If a bucket has a mass of2,000 kg and gravel has a mass of 1,500 kg for ev
allsm [11]
Well so 15000-2000 leaves 13000kgs of available weight allowed. Then 13000 divided by 1500 we get around 8.67 cubicmeters of gravel to be allowed to be lifted safely.
7 0
3 years ago
Read 2 more answers
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