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lapo4ka [179]
2 years ago
13

In a bag, the ratio of red to blue counters is 3:4.

Mathematics
1 answer:
Elza [17]2 years ago
7 0
R/b = 2/3, so r = 2/3 b
(r-3)/b = 3/5
5(r-3) = 3b
5(2/3 b - 3) = 3b
Just solve for b
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Anthony jogs 11 1/2 miles in 23 mins. If Anthony continues to jog at a steady pace, how many miles will he jog each minute?
frozen [14]

For this case we can raise a rule of three based on Anthony trotting 11 \frac {1} {2} miles in 23 minutes.

11 \frac {1} {2} = \frac {2 * 11 + 1} {2} = \frac {23} {2}

\frac {23} {2} miles -----------> 23 minutes

x ----------------------------------------> 1minute

x = \frac {\frac {23} {2} * 1} {23}\\x = \frac {\frac {23} {2}} {23}\\x = \frac {23} {2 * 23}\\x = \frac {1} {2}

ANswer:

0.5 miles per minute

5 0
3 years ago
HELP PLZ I AWARD BRAINLIEST TO FIRST PERSON!<br> PLZZZZZZ HELP MATH
dimaraw [331]

Answer:

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5 0
2 years ago
Solve for x.
Ivanshal [37]

Answer:

x = -3.25

Step-by-step explanation:

2/5 = 0.4

0.4x - 0.2 = -2(3/4)

-2(3/4) = -2/1 * 3/4 = -6/4

0.4x - 0.2 = -6/4

Convert to fraction

2/5x - 1/5 = -6/4

Add 1/5 to both sides

-6/4 + 1/5 = -30/20 + 4/20 = -26/20

2/5x = -26/20

Convert to decimal

0.4x = -1.3

-1.3/0.4 = -3.25

x = -3.25

8 0
2 years ago
Write the standard form of the line that contains a slope of 1/2 and y-intercept of 3. Include your work in your final answer. T
nata0808 [166]

Answer:

2y-x=6

Step-by-step explanation:

Standard form is ax+by=c.

Slope form : y=mx+n where m is slope n-y intercept.

First we write in slope form

y=\frac{1}{2}x+3

Now we can multiply both sides by 2.

2y=x+6

Subtract for each side x

2y-x=6

4 0
3 years ago
Given the first term and the common difference find the first five terms and the explicit formula
Zielflug [23.3K]

Answer:

a_{1} = -34,\: a_{2} = -44,\: a_{3} = -54,\: a_{4} = -64,\: a_{5} = -74

____________________________________

a_{n} = -34\:–\:10(n-1)

8 0
3 years ago
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