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3 years ago

what is the most important thing you need to know to solve a math problem? explain why you think this it is the most important

1 answer:

3 0

The most important thing I need to know to solve a math problem is what operation you need to use in order to complete the problem successfully. I believe this because if you don’t know what operation you need to solve the problem you won’t get to your goal of solving the problem

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Mrs. Kang gave Caleb a collection of 25 marbles. Each month Caleb adds 4 marbles to his collection. Which inequality can be used

GarryVolchara [31]

Answer:

I did the math and got an answer of 17.5

Step-by-step explanation:

I divided 70 by 4 and got a result of 17.5. This probably means Caleb started his collection about 17 and 1/2 months ago. (I apologize if it's wrong)

3 0

3 years ago

Read 2 more answers

Solve for x. pls pls pls pls pls pls

Lynna [10]

Answer:

$smaller \: x = \boxed { - 5} \\ larger \: x = \boxed 2$

Step-by-step explanation:

$5 {x}^{2} + 15x - 50 = 0 \\ 5( {x}^{2} + 3x - 10) = 0 \\ {x}^{2} + 3x - 10 = 0 \\ {x}^{2} + 5x - 2x - 10 = 0 \\ x(x + 5) - 2(x + 5) = 0 \\ (x + 5)(x - 2) = 0 \\ x + 5 = 0 \: or \: x - 2 = 0 \\ x = - 5 \:or \: x = 2 \\ smaller \: x = \boxed { - 5} \\ larger \: x = \boxed 2$

8 0

3 years ago

Anyone know how to do this

Nonamiya [84]

Answer:

x ≈ 4

Step-by-step explanation:

We use tan∅ to solve this:

tan30° = x/7

7(tan30°) = x

x = 4.04145

Remember that tangent is opposite over adjacent.

4 0

4 years ago

During a fair reeta gains rs 2 on each pen and loses rs 1 on each pencil she sells 50 pens and somepencils losing rs 15 in all h

dimaraw [331]

solution:

gain on each pen = 2

and loss on each pencil= 1

gain on 50 pens = 50 x 2 = 100

let the number of pencils she sells be x.

amount of money lost on x pencils = x

net loss = 15rs

x -100 = 15

x = 100+15

x = 115

so, total number of pencils = 115

3 0

4 years ago

How do you know when an algebraic expression is in simplest form

Alenkasestr [34]

When the expression has only one KIND of a variable, and also only one kind of a lonely number.

A lonely number is a number that has no variable next to it. Their need to be one kind of it.

Example of a simple expression:-

16c + 3

8 0

4 years ago