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Step2247 [10]
2 years ago
12

2.5(10x + 8)+3x simplified

Mathematics
1 answer:
PtichkaEL [24]2 years ago
5 0

Answer:

25+20+3x

45+3x

Step-by-step explanation:

i think

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Do the phrases 6 less a number y and 6 less than a number y mean the same thing? Explain. A. No, they do not both mean the same
Yuri [45]

Answer:

B. Yes, they both mean the same thing. They can also both be represented by the expression y - 6.

Step-by-step explanation:

Given

Phrase 1: 6 less a number y

Phrase 2: 6 less than a number y

<em>Mathematically,</em>

Phrase 1 can be represented as follows;

y - 6

<em>Mathematically,</em>

Phrase 2 can be represented as follows;

y - 6

<em>Since the representation  of both phrases are the same, then option B answers the question.</em>

<em></em>

4 0
3 years ago
Hiii! can someone please help me with my maths question
beks73 [17]

Step-by-step explanation:

a^2 + b^2 = c^2

(x+2)^2 + 4x^2 = (3x+4)^2

(x+2)(x+2)+ 4x^2= (3x+4)(3x+4)

x^2 + 2x + 2x + 4 + 4x^2 = 9x^2 + 12x + 12 x + 16

5x^2 + 4x + 4 = 9x^2 + 24x + 16

-4x^2 - 20x - 12 = 0

now we can use the quadratic formula

(-b±√(b²-4ac))/(2a)

I can't type all this so

.....

x = -0.697224362 or -4.302775638

AB can't be negative so it's the first one

so it's equals to 1.302775638

6 0
3 years ago
Can anyone help with this
vesna_86 [32]
I would be able to but i left my maths book at school and that has the explanation in, sorry :(
8 0
3 years ago
Read 2 more answers
Solve for m and n using the special right triangles
Irina18 [472]
Since this is a 45-45-90 triangle, n = 6 and m = 6√3.

I hope this helps!
8 0
3 years ago
If the temperature choose 1: (increases or decreases), then the particles will move choose 1: (faster or slower). WILL GIVE BRAI
vfiekz [6]

Answer:

The temperature increases and the particles will move faster.

Step-by-step explanation:

I'm pretty sure this is right :D

I hope this helps!

5 0
3 years ago
Read 2 more answers
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