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krok68 [10]
3 years ago
13

Find the sum: The blanks r subtraction signs

Mathematics
1 answer:
Evgen [1.6K]3 years ago
6 0

Answer:

8x^2+6x-17

Step-by-step explanation:

All that we have to do is add the 3 and 5 so it's basically like combining like terms. So the first blank is 8.

Now we add the x and the 5x which is 6x, all we're doing is adding the x's.

Now we do add the two negative 10 and 7. So what is -10 + - 7 we add them normally but we'll still have the negative in front of them. So it's -17.

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There is a relationship between the expected number of tickets sold for a raffle and the dollar value of the prize for the raffl
nadya68 [22]

Answer: The dollar value of the raffle prize = 300

Step-by-step explanation:

Given: The equation T - 6P = 100 describes this relationship, where T is the expected number of tickets sold, and P is the dollar value of the raffle prize.

If T =1900

Then,

1900-6P=100  [Put T=1900 in given equation]

\Rightarrow\ 6P=1900-100\\\\\Rightarrow\ 6P= 1800\\\\\Rightarrow P=\dfrac{1800}{6}\\\\\Rightarrow\ P=300

Hence, the dollar value of the raffle prize = 300

8 0
3 years ago
Solve the inequality and express your answer in interval notation<br> x^2+8x-7&lt;0
balandron [24]

Answer:

  • (-8.8, 0.8)

Step-by-step explanation:

  • x^2+8x-7<0
  • x^2 + 8x + 16 - 23 < 0
  • (x + 4)^2 < 23
  • |x + 4| < √23 ≈ 4.8

1 .

  • x + 4 < 4.8
  • x < 0.8

2.

  • -(x + 4) < 4.8
  • x + 4 > - 4.8
  • x > - 8.8

<u>Combination of the two intervals:</u>

  • x = (-8.8, 0.8)

4 0
3 years ago
solve the equation for the variable. If the values are not integers, please record in decimal format to the nearest tenth.​
juin [17]
I hope this helps and is correct!

5 0
3 years ago
#1) An airplane has 165 seats for passengers. Eleven-fifteenths of the seats
satela [25.4K]

Answer: 121 seats

Step-by-step explanation:

11/15 of the seat taken out of 165 so

11/15× 165= 120.9999≈121 seats

4 0
3 years ago
4.77×1062.1 ×103 plzz need it now plz be right
Brrunno [24]

Answer:

106.21×4.77×103= <u>521820.351</u>

4 0
3 years ago
Read 2 more answers
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