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mojhsa [17]
3 years ago
6

8. Simplify. 4 + 5(2d - 2)*

Mathematics
1 answer:
Semmy [17]3 years ago
4 0
Answer:
10d-6


Explanation:
4+10d-10
Combine like terms -10 and 4
-10+4=-6
10d-6
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In one evening jake spent 4 hours doing homework eating dinner and playing basketball .he spent 30 mins eating dinner ,1 hour pl
Effectus [21]

Answer:

  • It has taken Jake about 40 minutes to finish his Spanish homework.

Step-by-step explanation:

<u>We know that:</u>

  • Homework = 4 hours = Spanish + Math + Science + History
  • Spanish = 4 hours x 1/6
  • Math = 4 hours x 1/4
  • Science = 4 hours x 1/4
  • History = 4 hours x 1/3

<u>Work:</u>

  • Spanish = 4 hours x 1/6
  • => 2 hours x 1/3
  • => 2/3 hour
  • => 2/3 x 60 minutes
  • => 40 minutes

Hence, it has taken Jake about 40 minutes to finish his Spanish homework.

3 0
2 years ago
A triangle has a perimeter of 25" the medium side is 4 More than the short side and the longest site is 5 times the length of th
Paul [167]

Answer:

The shortest side is 3”

Step-by-step explanation:

In this question, we can observe that we have 3 sides of a triangle which are not equal in length. These sides are the long, medium and short.

We now have some mathematical statements according to the question.

Since these statements are referencing the short side, let’s start from there.

Let the length of the short side be x. The medium side is 4” more than the short side. This means that the medium side will be the short side plus 4 which mathematically is (x + 4)“. Also, we know that the longest side is 5 times the length of the shortest side. This is mathematically equal to 5x.

Lastly, we are made to know that the perimeter of the triangle is 25”. The perimeter of a triangle can be obtained by adding all the lengths together. This means that:

x + x +4 + 5x = 25

7x + 4 = 25

7x = 25 - 4

7x = 21

x = 21/7

x = 3”

5 0
3 years ago
Tina has a pet sitting business. She charges a flat service fee of $30, plus $15 per day for each animal. If one of her customer
Setler [38]
I think it’s A hope it’s right
5 0
3 years ago
Read 2 more answers
: Without turning the fraction into a decimal explain if the fraction is greater than or less than 10 a 3/2 b. 2/3 ​
hoa [83]

Answer:

A is more than 1 (assuming you meant one) and b is less than 1.

Step-by-step explanation:

7 0
4 years ago
HELPPPPPPPPP WILL GIVE BRAINLIST
krek1111 [17]

Answer:

Mean = 4.4

Mode = 2

Range = 13

Explanation:

Given Data set = 1, 2, 2, 2, 3, 4, 5, 5, 6, 14

Mean = Add all the numbers together and divide is by the number of terms in the data set. = <u>44/10 = 4.4</u>

Mode = Most repeated number in the data set = <u>2</u>

Range = Largest Number - Smallest Number = <u>14 - 1 = 13</u>

Hope this helps!

7 0
4 years ago
Read 2 more answers
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