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3 years ago

If 4x+1 = 64, what is the value of x? A-3 B-4 C-2 D-5

Mathematics

1 answer:

lora16 [44]3 years ago

4 0

None of these work, but the answer would be 15.75

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5 times a number is _ % increase in the number

RSB [31]

Answer:

Answer: Five times a number increased by 7 is 27 from equation Get the answers you need, now!

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3 years ago

X^2+ 6x - 4 = 3x + 6

jolli1 [7]

Answer:

x=2

x=-5

Step-by-step explanation:

You need to get everything on one side to have a quadratic equation:

x^2+6x-4 -(3x+6) = x^2+3x-10

All factors of 10 are 1*10 and 2*5.

5-2 = 3 and 5*-2 = -10

Factoring x^2+3x-10 gives us (x-2)(x+5)

x=2

x=-5

4 0

3 years ago

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A piece of metal has density of 11.3g/cm

djverab [1.8K]

The mass should be 75.71 grams
To find density is D = M / V
So you would have to multiply the volume by the density

5 0

4 years ago

Multiply and simplify: –3x2y2 • x4 –3x5y2 9x5y2 –3x6y2 –3x5y6

Contact [7]

Answer:

Multiplying and simplifying the term $-3x^2y^2 \:.\: x^4$ we get $\mathbf{-3x^6y^2}$

Option C is correct option.

Step-by-step explanation:

We need to multiply and simplify: $-3x^2y^2 \:.\: x^4$

Simplifying the term:

$-3x^2y^2 \:.\: x^4$

While multiplying, the variables with same bases are multiplied: $a^m\:.\:a^n=a^{m+n}$

In the given question only x^2 and x^4 are variables with same bases, So we get:

$=-3(x^{2+4})y^2\\=-3x^6y^2$

So, multiplying and simplifying the term $-3x^2y^2 \:.\: x^4$ we get $\mathbf{-3x^6y^2}$

Option C is correct option.

4 0

3 years ago

What is the value of x?

Hitman42 [59]

Answer:

Step-by-step explanation:

Since RQT=155

4x-20+3x+14=155

7x-6=155

7x=161

x=23

3 0

3 years ago

Read 2 more answers