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4 years ago

The price of 2 pears and 6 apples is $14. the price of 3 pears and 9 apples is $21. find the price for one pear and one apple

1 answer:

8 0

7 dollars

if 2 pears and 6 apples is 14
and 3 and 9 is 21

2x7 is 14
3x7 is 21
it's like your doubling the amount each time you add...

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Name the property illustrated by each statement (8x+3)+12=(8x+3)+12

evablogger [386]

Answer:

Reflexive property

Step-by-step explanation:

The statement says that some number is equal to itself.

That's the reflexive property.

3 0

3 years ago

Who is known as the "founding father of geometry?"?

ale4655 [162]

Euclid is considered the father of Geometry.

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3 years ago

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A man who is 6 ft tall is standing next to a flagpole. The shadow of the man is 3.5 ft and the shadow of the flagpole is 17.5 ft

rjkz [21]

Answer: 30 ft

Step-by-step explanation:

Cross multiply:

6 : 3.5

x : 17.5

Then divide 105 with 3.5x.

105/3.5x = 30

5 0

3 years ago

Solve for M -3+m/ 9 = 10

sweet-ann [11.9K]

Step-by-step explanation:

-3+m/9=10

m/9=10+3

m/9=13

m=13×9

m=117

Note:if you need to ask any question please let me know.

5 0

3 years ago

I don’t understand can someone please explain how to work this out and what the answer is

joja [24]

When you see an equation with parenthesis around it, you can use this:

Parenthesis

Exponents

Multiplication

Division

Addition

Subtraction

Otherwise known as PEMDAS.

We can see that in the equation, there are parenthesis, so we can open those. We open parenthesis by taking the number right next to the parenthesis (or outside the parenthesis) and we multiply that number by everything inside. So this is what it would look like:

-2x^2 - 10x + 8

See how the signs changed? This rule only applies when you multiply something, but here is how I think of it:

+ and + always equals +.

- and - always equals +.

- and + always equals -.

+ and - always equals -.

So that's it! Just to be clear, the answer is:

-2x^2 - 10x + 8

Hope I helped, sorry if I'm wrong!

`Mschmindy

4 0

3 years ago