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jolli1 [7]
3 years ago
12

HELP ASAP I DONT HAVE TIME AND IT ALSO DETECTS IF ITS RIGHT OR WRONG

Mathematics
1 answer:
mamaluj [8]3 years ago
7 0

Answer:

75%

Step-by-step explanation:

(5.6-3.2)/3.2=0.75

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During the day,Sam spent $4.85 on lunch.he also bought 2 books for $7.95 each. At the end of the day we had $8.20 left how much
Vlada [557]
20.75 because if you add 4.85+7.95+7.95 add that you get 20.75

7 0
3 years ago
Jason decided to look at new trucks. Jason found a used truck for 34,000 dollars. A new truck is 40,000 dollars so what percent
nexus9112 [7]

Answer:

Percent of rise of a new truck on a used truck  = 15%

Step-by-step explanation:

Let x be the percentage of saved money if Jason buying a used truck.

Given:

Price of the used truck = $34,000

Price of the new truck = $40,000

We need to find the percent of rise Jason saves on a used truck rather than buying a new truck

Solution:

Using a percentage formula.

percentage\ cost = \frac{(100-x)}{100}\times Original\ cost

Substitute Percentage cost = 34,000 and Original cost = 40,000 in above formula.

34000 = \frac{(100-x)}{100}\times 40000

34000 = (100-x)\times 400                    (\frac{40000}{100}=400)

Using cross multiplication rule.

(100-x)=\frac{34000}{400}

85=100-x

x = 100-85

x = 15%

Therefore, Jason used 15% rise of a new truck for a used truck.

6 0
3 years ago
URGENT...Please help me with this question!!!!!!
Hunter-Best [27]

Answer:

option 2

Step-by-step explanation:

The problem can be solved using Pythagoras' identity for a right triangle.

The angle between due East and due North is 90°

The solution here involves using the Cosine rule.

let x be the direct distance between house and office, then

x² = 17² + 21² - 2(17)(21)cos90° → option 2

Note that since cos90° = 0 the equation reduces to

x² = 17² + 21² ← Pythagoras' identity

6 0
3 years ago
2. Twenty-four fourth graders are going on a field trip to the Academy of Science. They need to form 3 groups of students for th
STatiana [176]
8 students in each group
5 0
3 years ago
The value of 2 in 2,783 and 7,283
k0ka [10]
The 2 in 2783 is two thousand and the 2 in 7283 is 100

A way to remember is go from right to left!

ones, tens, hundred, and thousand
4 0
3 years ago
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