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nataly862011 [7]
3 years ago
10

Evaluate the expression 15 + 6 x 7 - 12 divided by 2

Mathematics
2 answers:
Maslowich3 years ago
7 0
The answer is 51 first u multiply and divide then calculate
bulgar [2K]3 years ago
6 0

Answer:

22.5

Step-by-step explanation:

It is very important to use bidmas (the order of mathematical functions - standing for brackets, indices, division, multiplication, addition, subtraction) in this question. 15 + 6 x 7 - 12 divided by 2 can also be written as (15 + 6 × 7 - 12) ÷ 2. First, you should complete the multiplication to make (15 + 42 - 12) ÷ 2. Then, complete the addition which makes (57 - 12) ÷ 2. Afterwards, do the subtraction which makes it 45 ÷ 2. This is 22.5. I hope this helps!

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5 -2x + 6y= -38<br> ? 3x – 4y = 32<br> •(-4, - 5)<br> •(-5, 4)<br> •(1, – 6)<br> (4, - 5)
Svet_ta [14]

Answer:

Option D (4, -5)

Step-by-step explanation:

This question can be solved by various methods. I will be using the hit and trial method. I will plug in all the options in the both the given equations and see if they  balance simultaneously.

Checking Option 1 by plugging (-4, -5) in the first equation:

-2(-4) + 6(-5) = -38 implies 8 - 30 = -38 (not true).

Checking Option 2 by plugging (-5, 4) in the first equation:

-2(-5) + 6(4) = -38 implies 10 + 24 = -38 (not true).

Checking Option 3 by plugging (1, -6) in the second equation:

3(1) - 4(-6) = 32 implies 3 + 24 = 32 (not true).

Since all the options except Option 4 have been ruled out, therefore, (4,-5) is the correct answer!!!

7 0
3 years ago
Sam is moving bags of soil from a loading dock into a storeroom. The top soil weighs 40 pounds per bag and the mulch weighs 20 p
Levart [38]

Answer:

40x+20y\leq 480

Step-by-step explanation:

Givens

  • The top soil weighs 40 pounds per bag.
  • The mulch weighs 20 pounds per bag.
  • The cart can only carry up to 480 pounds.

Notice that the restriction is a maximum of 480 pounds, that means the inequality must include the sign \leq.

Now, let's call x the top soil and y the mulch, the inequality that represents this problem, would be

40x+20y\leq 480

3 0
3 years ago
Read 2 more answers
the dimensions of a rectanguler flower bed on a sketch are 4 by 6 cm. in real life the shorter side of the flower bed is 5m. fin
ANTONII [103]

Answer:

7.5m

Step-by-step explanation:

3 0
3 years ago
1. Under absorption costing, how much fixed manufacturing overhead cost is included in the company's inventory at the end of las
Jobisdone [24]

Answer:

1.

$5,200 a fixed manufacturing overhead cost is included in the company's inventory at the end of last year.

2.

Income Statement is Prepared in an MS Excel File Attached With this answer Please find it.

Step-by-step explanation:

1.

Fixed Manufacturing Overhead = Total Fixed manufacturing Overhead x Units in ending inventory  / Units produced

Fixed Manufacturing Overhead = 65,000 x 20 / 250 = $5,200

2.

File Attached.

There is a Difference of $5,200 in net operating income between the two costing methods. The amount of fixed asset assigned to closing inventory.

Download xlsx
3 0
3 years ago
Solve the equation for y<br> y +5=-(x – 3)
goldenfox [79]

Answer:

y=-x-2

Step-by-step explanation:

y+5=-(x-3)

y+5=-x+3

y=-x+3-5

y=-x-2

6 0
2 years ago
Read 2 more answers
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