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Alika [10]
3 years ago
9

Brent counted 10 red cards , 10 black cards in a deck of cards . What is the simplified ratio of red cards to black cards​?

Mathematics
1 answer:
Roman55 [17]3 years ago
5 0

Answer:

D.) 1:3

Because there are 30 other cards to the red's 10. Simplified, that is 1:3

Step-by-step explanation:

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7 students have 5 blocks each.<br><br> Which helps you find the total number of blocks?
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Answer:

5 blocks

Step-by-step explanation:

5 blocks for every barometer

5 0
1 year ago
What is the equation of a line that passes through the point (2, 7) and is perpendicular to the line whose equation is y=x4+5 ?
Valentin [98]
Attached a solution and showed work.

8 0
3 years ago
The value of 7 in 17.92 is times as much value of 7 in 92.17
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100
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3 years ago
Janelle has 4 hours to spend training for an upcoming race. She completes her training by running full speed the distance of the
natima [27]
If the amount of time taken to go said distance is x and the amount of time taken to go back said distance is y, then the amount of miles total is 7x+3y due to that for every hour, she adds 7 miles when going there and 3 miles for walking back. In addition, since the total amount of time is 4 hours, x+y=4 as the total time spent as well as 7x=3y due to that they're the same distance. 
x+y=4
7x=3y
Dividing the second equation by 7, we get x=3y/7. Plugging that into the first equation, we get 3y/7+y=4=10y/7 (since y=7y/7). Multiplying both sides by 7 and then dividing both by 10, we get 28/10=2.8=y in hours. Since 0.1 hours is 60/10=6 minutes, and 0.8/0.1=8, 6*8=48 minutes=0.8 hours, meaning that she should plan to spend 2 hours and 48 minutes walking back 

8 0
3 years ago
Angela tried to solve an equation step by step. \begin{aligned} \dfrac34+m&amp;=\dfrac54\\\\ \dfrac34+m-\dfrac34&amp;=\dfrac54+\
Liono4ka [1.6K]

Answer:

The mistake she made was ; She didn't change the sign when subtracting -3/4 from both sides

She wrote 5/4+3/4 instead of 5/4-3/4

Step-by-step explanation:

Correct solution:

\frac{3}{4}  + m =   \frac{5}{4}

Subtract-3/4 from both sides

\frac{3}{4}  -  \frac{3}{4}  + m =  \frac{5}{4}  -  \frac{3}{4}

Simplify

m =  \frac{5}{4}  -  \frac{3}{4}  \\ m =  \frac{1}{2}

7 0
3 years ago
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