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crimeas [40]
3 years ago
10

Seven times the first number plus six times the second number equals 31

Mathematics
2 answers:
lys-0071 [83]3 years ago
3 0

Answer:

Step-by-step explanation:

Let the first number be x and the second number be y

according to the question:

7x+6y=31

alexandr402 [8]3 years ago
3 0

Answer:

Step-by-step explanation:

6 times the number is 6x.

7 times the number is 7x.

6 times the number plus 7 times the number is equal to 6x + 7x which is equal to 13x.

for example:

let x = 15

6x = 6 * 15 = 90

7x = 7 * 15 = 105

6x + 7x = 6 * 15 + 7 * 15 = 90 + 105 = 195

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QUICK !!<br> What is the image point of (-9,5) after a translation right 3 units and down 2 units ?
mario62 [17]

Answer:

(-6, 3)

Step-by-step explanation:

What you do is based off the image point (-9, 5). What you do is you go 3 units right which is like -9+3=-6. Then you will go 2 units down which is like 5-2=3.

(-6, 3) is your answer.

4 0
4 years ago
Alicia borrowed $15,000 to buy a car. She borrowed the money at 8% for 6 years
myrzilka [38]

Answer:

She have to pay the bank at the end of the 6 years = 222000$

Step-by-step explanation:

Formula applied in this case where price, interest rate and time duration is mentioned.

Interest = prt/100

Substituting all the given values in the formula.

interest = 15000 * 6 * 8/100

150 * 6 * 8 = 7200

Interest + 15000 = 15000 + 7200 = 222000$ has to pay the total.

In this question amount is 15000 multiply by 6 and by 8 then divide it by 100 so we get the interest then we add it in to amount so we get an answer that is total amount which he has to pay.                                                                           Hope this helps! :P PLZ GIVE ME BRAINLIST

7 0
3 years ago
Can someone pls help me with this?
Hatshy [7]

Answer:

Between 1 and 3 seconds

Step-by-step explanation:

There is no change in distance ( change in y ) between 1 and 3, so she wasn't walking during that time

4 0
3 years ago
Read 2 more answers
10^2+12^2+14^2+......+26^2=??
Kazeer [188]

Answer:

3156

Step-by-step explanation:

  • <em>Used formula:</em>
  • <em>(1² + 2² + 3² + ... + n²) =1/6*n(n + 1)(2n + 1)</em>

--------

  • 10²+12²+14²+......+26² =
  • (2*5)²+(2*6)² + (2*7)² + ... + (2*13)² =
  • 4*(5²+6²+7²+...+13²) =
  • 4*(1²+2²+...+13² - (1²+2²+3²+4²)) =
  • 4*(1/6*13(13+1)(2*13+1) - (1+4+9+16)) =
  • 4*(1/6*13*14*27- 30) =
  • 4*(819 - 30) =
  • 4*789 =
  • 3156
3 0
4 years ago
PLEASE HELP!! THANK YOU &lt;3
Natalija [7]

Answer:

what did you need to know :(

3 0
3 years ago
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