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tiny-mole [99]
3 years ago
8

HELP ASAP 30 POINTS..............

Mathematics
1 answer:
jok3333 [9.3K]3 years ago
4 0

Answer:

im just answering for free points

Step-by-step explanation:

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(a)b - 0.5b when a = 1 and b = 5​
Allisa [31]

Answer:

(1)5 - 0.5(5) = 5 - 2.5 =======2.5

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
There is a bag with only red marbles and blue marbles. The probability of randomly choosing a blue marble is 2/9 . There are 63
Verdich [7]

Answer:

49 red marbles

Step-by-step explanation:

There is a bag with only red marbles and blue marbles.

We are told in the question that:

The probability of randomly choosing a blue marble is 2/9 . There are 63 marbles in total in the bag

Hence: since

P(Blue marbles) = 2/9

Hence,

The number of blue marbles = 63 ÷ 9

= 7

Hence:

2 × 7/9 × 7 = 14/63

Hence, the number of blue marbles = 14 blue marbles

The number of red marbles bus calculated as:

63 - 14 blue marbles

= 49 red marbles

4 0
3 years ago
a town park has 2 biking trails. Marsh Trail is 5 and three over ten miles long. Woodland trail is 2 and 4 over 5 miles long. Ho
Allisa [31]

Marsh Trail is longer than Woodland trail by 2.5 miles

Step-by-step explanation:

A town park has 2 biking trails

1. Marsh Trail is 5 and three over ten miles long

2. Woodland trail is 2 and 4 over 5 miles long

We need to find that Marsh Trail is how much longer than

Woodland trail

To do that we will subtract the length of the Woodland trail from the

length of the Marsh Trail

∵ The length of Marsh Trail is 5 and three over ten miles

- 5 and three over ten = 5\frac{3}{10}

∵ \frac{3}{10} = 0.3

∴ 5\frac{3}{10} = 5.3 miles

∵ The length of Woodland trail is 2 and 4 over 5 miles

- 2 and 4 over 5 = 2\frac{4}{5}

∵ \frac{4}{5}=\frac{4*2}{5*2}=\frac{8}{10} = 0.8

∴ 2\frac{4}{5} = 2.8

∴ The difference = 5.3 - 2.8

∴ The difference = 2.5 miles

Marsh Trail is longer than Woodland trail by 2.5 miles

Learn more:

You can learn more about fractions and decimals in brainly.com/question/1648978

#LearnwithBrainly

5 0
3 years ago
Twenty times one hundred and one (20 x 101)
Dmitrij [34]

Answer:

2020

Step-by-step explanation:

2020

4 0
3 years ago
Find an equation of the line that has a slope of -5 and a y intercept of 8. Write your answer in the form y = m x + b .
Semenov [28]

answer:      required equation is y=-5x+8

Step-by-step explanation:

required equation is y=mx+b

where m= slope of line b= y intercept of line

put the value of m and b

required equation is y=mx+b

y=-5x+8

7 0
4 years ago
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