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Ronch [10]
3 years ago
7

If you help me on all of these I'll mark you as a brainless

Mathematics
2 answers:
Tpy6a [65]3 years ago
4 0
9. 2,000
10. 3,200
11. 3,000
12. 1,800
13. 120
14. 125
15. 75
16. 30
17. 
18.
 I can't see the last two
sammy [17]3 years ago
3 0
Sure!
9)2,000
10) 3,200
11)3,000
12)2,000
13)120
14)125
15)80
16)35
And I can't see all the answers for 17 and 18
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Solve each equation 7:x=2:3
Olenka [21]

7 : x = 2 : 3

- divide 7 by 2.

7/2 = 3.5

- this is the scale factor.

- now multiply this by 3.

3 X 3.5 = 10.5

so, x = 10.5

6 0
3 years ago
Jason's football team lost 6 yards from their starting position and then lost another 5 yards. What number represents a loss of
aivan3 [116]
A loss of 6 yds = - 6
a loss of 5 yds = - 5
7 0
3 years ago
What’s the slope (rate of change) for the red?
ZanzabumX [31]
Um I think it is 2,1 count over 2 then go up1
8 0
3 years ago
Val rented a bicycle while she was on vacation. She paid a flat rental fee of f dollars, plus $8.50 each day. The total cost at
damaskus [11]

The question is incomplete. Here is the complete question:

Val rented a bicycle while she was on vacation. She paid a flat rental fee of f dollars, plus $8.50 each day. The total cost at the end of her vacation was t dollars. Let d represent the number of days Val rented the bicycle. Write an equation representing the total cost at the end of her vacation.

Answer:

t=f+8.5d

Step-by-step explanation:

Given:

Flat rental fee = f

Variable fee per day = $8.50

Total cost at the end vacation = t

Number of days of her vacation = d

Using unitary method, we can find the variable fee for 'd' days.

1 day variable fee = $8.50

Therefore, 'd' days variable fee = 8.50d

Total cost at the end of her vacation can be obtained by adding the fixed rental fee and the variable fee obtained for the given number of days.

Now, total cost is given as:

Total cost = Flat rental fee + Variable fee

Substituting all the variables and framing above in the form of an equation, we get:

t=f+8.5d

Therefore, the equation representing the total cost at the end of her vacation is t=f+8.5d

7 0
3 years ago
X² - 8x - 33=0<br> complete the square
Andreas93 [3]
<h2>Answer:</h2><h2></h2><h2>\boxed{x_{1}=-3} \\ \\ \boxed{x_{2}=11}</h2>

<h2>Explanation:</h2>

Step 1. Write x^2 - 8x - 33=0 in the form x^2+2ax+a^2=0

2a=-8\quad :\quad a=-4

Step 2. Add and subtract (-4)^2 to the left side of the equation

x^2-8x-33+\left(-4\right)^2-\left(-4\right)^2=0 \\ \\ \\ But: \\ \\  x^2+2ax+a^2=\left(x+a\right)^2 \\ \\ x^2-8x+\left(-4\right)^2=\left(x-4\right)^2

Step 3. Complete square

\left(x-4\right)^2-33-\left(-4\right)^2=0 \\ \\ \left(x-4\right)^2-49=0 \\ \\ (x-4)=\pm \sqrt{49} \\ \\ x-4=\pm 7 \\ \\ \boxed{x_{1}=-3} \\ \\ \boxed{x_{2}=11}

8 0
3 years ago
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