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jek_recluse [69]
3 years ago
15

Linear Equations

Mathematics
2 answers:
rjkz [21]3 years ago
7 0

Answer:

C

Step-by-step explanation:

KATRIN_1 [288]3 years ago
4 0

Answer:

C. x = -61/5

Step-by-step explanation:

7(x+5)+4(x+5) = 6x-6

  • First let's multiply the parenthesis parts.

7x+35 + 4x+20 = 6x-6

  • Combine like terms - combine all the x terms and the number terms. 7x + 4x = 11x, 35+20 = 55

11x + 55 = 6x - 6

  • Subtract 6x from both sides

5x + 55 = -6

  • Subtract 55 from both sides

5x = -61

x = -61/5

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Elena-2011 [213]

To figure out this problem, you need to find the surface area of a triangular prism.

a=5ft

b=5ft

c=6ft

h=8ft

A= (a*h) + (b*h) + (c*h) + 1/2√-a⁴ + 2(a*b)² + 2(a*c) - b⁴ + 2(b*c) - c⁴

=152 square feet

5 0
4 years ago
find the sums.does the order of the addends matter in an addition sentence? what property is this. -5+6= 6+(-5)=
azamat

In this question we will be using Commutative Law of Addition which is as follows:

The Law that says you can swap numbers around and still get the same answer when you add.

a+b =b+a

where a and b are addends.

Using this law, we can clearly see that order of addends does not matter at all in addition.

Now adding -5+6, we get 6-5 which is equal to 1

Answer is 1

6 0
3 years ago
Read 2 more answers
A battery manufacturer randomly tests 500 batteries and finds that 3 are defective.
Alexxx [7]
(3/500)*(12,000) = 72 batteries . . . answer is B) 72
8 0
3 years ago
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A recently published study shows that 50% of Americans adults take multivitamins regularly. Another recent study showed that 20.
Stels [109]

Answer:

The probability that a randomly selected American adult takes multivitamins regularly and works out regularly is  0.103

Step-by-step explanation:

p(Americans adults take multivitamins regularly) = 50% = 0.50

p(American adults work out regularly) = 20.6 = 0.206

p(Americans adults take multivitamins regularly and American adults work out regularly) = 0.50* 0.206 = 0.103

Thus, p(Americans adults take multivitamins regularly and American adults work out regularly)  = 0.103

3 0
3 years ago
What is the GCF of the terms of 3x⁴-9x²-12x?
Alexxx [7]

Answer: The GCF of the terms of 3x^4-9x^2-12x is 3x.

Step-by-step explanation:

We need to find:  GCF(Greatest common factor) of the terms of 3x^4-9x^2-12x.

The greatest common factor(GCF) is the greatest factor that divides two expressions.

Here,

3x^4=3\times x \times x \times x \times x \\9x^2=3\times 3 \times x \times x\\12x=3\times 2 \times 2 \times x

The greatest common factor of 3x^4-9x^2-12x = 3x

Hence, the GCF of the terms of 3x^4-9x^2-12x is 3x.

3 0
3 years ago
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