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Veronika [31]
3 years ago
6

True or False ?

Mathematics
1 answer:
Gnoma [55]3 years ago
4 0
True the answer is true babes :)
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Arrange the following fractions in the descending order: 2/5, 7/10, 3/2, 15/30
nika2105 [10]

Answer:

3/2, 7/10, 15/30, 2/5

4 0
2 years ago
When factorising a quadratic trinomial of the form ax^2 + bx + c, we need to find two numbers which ???? (see image for options)
kupik [55]

Answer: Choice E

multiply to give a*c and add to get b

===========================================

This is known as the AC factoring method based on how you multiply the first and last coefficients (a and c) and use that product to figure out which factors add to the middle coefficient.

---------

An example:

6x^2 + 35x + 50

We have a = 6, b = 35, c = 50

Multiply a and c and we get: a*c = 6*50 = 300

We need to find factors of 300 that pair up and add to 35

Through trial and error you should find,

15 * 20 = 300

15 + 20 = 35

The two numbers are therefore 15 and 20.

So we break 35x into 15x+20x and use the factor by grouping method

6x^2 + 35x + 50

6x^2 + 15x + 20x + 50

(6x^2 + 15x) + (20x + 50)

3x(2x + 5) + 10(2x + 5)

(3x + 10)(2x + 5)

We see that 6x^2 + 35x + 50 factors to (3x + 10)(2x + 5)

Use the FOIL method or the box method or distribution to help see that (3x + 10)(2x + 5) expands back to 6x^2 + 35x + 50.

3 0
3 years ago
Plz help will be greatly apreciated
olasank [31]
A. Is a function B. Is not. The way you tell us you draw straight lines through the graph if any of the lines intersect with the thing plotted more than once it’s not a function, if it only intersects once it’s a function.
8 0
2 years ago
-3a - 3 = -2 + 3p ˢᴼᴸᵛᴱ ᶠᴼᴿ ᴬ
skad [1K]

Hi!

-3a - 3 = -2 + 3p

-3a=3p+1

\frac{-3a}{3}=\frac{3p+1}{-3}

Answer------>a=-p+\frac{-1}{3}

Explanation: <u><em>First you had to add by 3 from both sides. It gave us -3a=3p+1. Then divide into -3 from both sides. It gave us -3a/-3=3p+1/-3, or a=-p+-1/3 is the right answer. Hope this helps! And thank you for posting  your question at here on Brainly. And have a great day. -Charlie</em></u>

8 0
3 years ago
In a class, 6 students are girls who wear glasses. 14 students wear glasses. If there are 16 girls in the class, how many boys w
irga5000 [103]
There are 6 girls who wear glasses in the class, so the remaining must be the boys. 14-6=8 so there must be 8 boys who were glasses
7 0
3 years ago
Read 2 more answers
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