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adelina 88 [10]

3 years ago

14

Simplify: ((6-3) + (5+5) / 2 =

2 answers:

mihalych1998 [28]3 years ago

8 0

The answer for this math equation is 8.

atroni [7]3 years ago

3 0

According to an answer from another and a bit of my own research;

Using PEMDAS, start with the parenthesis. 6 minus 3 is 3, 5 plus 5 is 10. 3 minus 10 is negative 7. Now that you have finished the parenthesis, do negative 7 divided by 2. Then you get negative 3.5 and to fact check this, do negative 3.5 and multiply it by 2 to get negative 7. Just listen to the order of PEMDAS and everything will be fine.

Hope this helps you out. Feel free to ask for more information and I will offer you more support/help on your problem. <3

<u>[bloominginthedark/bloom]</u>

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Which of the following equations is an example of inverse variation between the variables x and y

Sonbull [250]

Answer:

The answer is y = 6/x ⇒ answer A

Step-by-step explanation:

* Lets revise what is the meaning of the inverse variation

- It is a mathematical relationship between two variables

- It can be expressed by an equation in which the product of two

variables is equal to a constant

- If y is in inverse variation with x

∴ y ∝ 1/x

- Change this relation to equation

∴ y = k/x, where k is the constant of the variation

- We can write it by another way

∵ y ∝ 1/x

∴ y = k/x ⇒ by using cross multiplication

∴ yx = k

* Now lets solve the problem

∵ There is an inverse variation between the two variables x and y

∴ y ∝ 1/x

∴ y = k/x

- Look to the answer

# We will chose A because

∵ y = 6/x ⇒ use the cross multiplication

∴ yx = 6 ⇒ and 6 is a constant

∴ k = 6

* The answer is y = 6/x

5 0

3 years ago

The sum of two numbers is 49 and the difference between these two numbers is 9. What are these two numbers?Shown working out pl

8_murik_8 [283]

Let numbers be x and y

ATQ

x+y=49---(1)

x-y=9---(2)

Adding both

$\\ \sf\longmapsto 2x=58$

$\\ \sf\longmapsto x=\dfrac{58}{2}$

$\\ \sf\longmapsto x=29$

Now putting value in eq(2)

$\\ \sf\longmapsto x-y=9$

$\\ \sf\longmapsto 29-9=y$

$\\ \sf\longmapsto y=20$

7 0

3 years ago

A secretary’s hourly wage is $21. On Sunday, the secretary earns time and a half. How much does the secretary earn for working e

natita [175]

Answer:

252

Step-by-step explanation:

6 0

3 years ago

Drag numbers to fill in the table to organize the information in this problem. Carter works for a fence company. He can paint a

OLEGan [10]

Answer:

394.67 minutes (or about 6.58 hours)

Step-by-step explanation:

<u>For 145.8 feet long fence:</u>

At a rate of 2.25 feet per minute, its gonna take him

$\frac{145.8}{2.25}=64.8$ minutes to pain

Also

At a rate of 0.75 feet per minute, its gonna take him

$\frac{145.8}{0.75}=194.4$ minutes to stain

<u>For 76.2 feet long fence:</u>

At a rate of 2.25 feet per minute, its going to take him

$\frac{76.2}{2.25}=33.87$ minutes to pain

At a rate of 0.75 feet per minute, its gonna take him

$\frac{76.2}{0.75}=101.6$ minutes to stain

In total, it's gonna take him:

64.8 + 194.4 + 33.87 + 101.6 = 394.67 minutes

In hours, that is 394.67/60 = 6.58 hours

4 0

3 years ago

Which table does NOT show a proportional relationship?<br> 1 point<br><br> A<br> B<br> C<br> D

Luda [366]

The answer is Either ‘A’ or ‘D’

8 0

2 years ago

Read 2 more answers