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RSB [31]
3 years ago
9

Simplify the ratio km : 400 m​

Mathematics
2 answers:
Degger [83]3 years ago
6 0

Answer:

0.4

Step-by-step explanation:

Mazyrski [523]3 years ago
3 0

Answer:

0.4 km : 400m

Step-by-step explanation:

400m to km = 0.4

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Kendra has $ 7.35 in nickels and quarters. If she has 15 more quarters than nickels, how many of each coin does she have?
lozanna [386]

x*5 - quarter amount

(x+15)*25- nickels amount

(x*5)+((x+15)*25)=735

5x+25x+375=735

30x=735-375

30x=360

x=360/30=12 - number of nickels

x+15=12+15=27 - number of quarters

CHECK

12*5=60 ¢

27*25=675 ¢

675+60=735 ¢ or $7.35

5 0
4 years ago
Which of the following expressions represents the area of a trapezoid with bases of 3x and 5x and a height of 6x?
BaLLatris [955]
Trapezoid Area = (Base1 + Base2) (h/2)
so A = (3x + 5x )(6x/2)= 24x^2
6 0
3 years ago
Graph ​ 24x+25=−6y+7 ​.
MrRa [10]

Okay, So you have 24x+25=6y+7

Step 1: Pull out like factors : 24x + 18 + 6y  =   6 • (4x + y + 3)

Step 2: 4x+y+3  = 0

y-intercept = -3/1  = -3.00000

 x-intercept = -3/4  = -0.75000

Slope     = -8.000/2.000 = -4.000

And bam, you have a straight line

5 0
4 years ago
Apply the algebra tiles to find (8x2 + 8x + 5) - (2x2 + 6x + 4).
Degger [83]
A) 2x + 11
B) 2x + 13
not sure because you put ?
D) 2x + 21
these are the answers to your answer options but the answer to the equation in the question is 2x + 13 so your answer is B! hope this helped
7 0
3 years ago
Shelly sells cars, and she has to sell 50 cars per month t get a bonus. If Shelly sold 28% of the number of cars needed to get a
andrew-mc [135]

Answer: 14

Step-by-step explanation:

28% of 50

3 0
3 years ago
Read 2 more answers
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