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2 years ago

Which value for x makes the sentence true? 1/10 + x = 1/7

Mathematics

1 answer:

alexandr1967 [171]2 years ago

6 0

Answer:

3/70

Step-by-step explanation:

change 1/10 and 1/7 so the denominator (bottom number) is the same. 1/10= 7/70 and 1/7= 10/70 so you need 3/70 to make the two numbers equal.

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Please help and explain

Murrr4er [49]

Answer: Option A

$x=\frac{3+i}{2}$ or $x=\frac{3-i}{2}$

Step-by-step explanation:

Use the quadratic formula to find the zeros of the function.

For a function of the form

$ax ^ 2 + bx + c = 0$

The quadratic formula is:

$x=\frac{-b\±\sqrt{b^2-4ac}}{2a}$

In this case the function is:

$2x^2-6x+5=0$

$a=2\\b=-6\\c=5$

Then using the quadratic formula we have that:

$x=\frac{-(-6)\±\sqrt{(-6)^2-4(2)(5)}}{2(2)}$

$x=\frac{6\±\sqrt{36-40}}{4}$

$x=\frac{6\±\sqrt{-4}}{4}$

Remember that $\sqrt{-1}=i$

$x=\frac{6\±\sqrt{4}*\sqrt{-1}}{4}$

$x=\frac{6\±\sqrt{4}i}{4}$

$x=\frac{6\±2i}{4}$

$x=\frac{3\±i}{2}$

$x=\frac{3+i}{2}$ or $x=\frac{3-i}{2}$

3 0

3 years ago

Can someone help me with factoring? 4x^3 + 43x^2 + 30x

Sergio039 [100]

$4x^{3}+43x^2+30x$
First in factoring, you must find out what is common in the whole equation
$x(4x^2+43x+30)$
Now, make 2 sets of parentheses and "split up" the rest of the equation
Try to experiment which numbers work out
We are not subtracting anything so both parentheses are positive
$x(4x+3)(x+10)$
Therefore, the factored version of $4x^3+43^2+30x$ is
$x(4x+3)(x+10)$

5 0

3 years ago

True or False: The variables in the equation 4x-(5y)2=64x-(5y)2=6 are 4, 5, and 6

aleksley [76]

Answer: False

Step-by-step explanation:

4x - (5y) 2 = 64x - (5y) 2 = 6

Identify the variables:

4x, 5y, 64x

So, it would actually be:

4, 5, and 64

6 0

2 years ago

I took a photo of the question.

7nadin3 [17]

Answer:

f(f(5)) = 11

Step-by-step explanation:

$f(f(5)) \\ from \: the \: table \: f(5) = 9 \\ so \: f(f(5)) = f(9) \\ also \: from \: the \: table f(9) = 11 \\ so \: f(f(5)) = 11$

I hope that is useful for you

5 0

2 years ago

PLzz help I will give u more points don't spam or llf

padilas [110]

60 onces is 15lbs so then i beleve you have 11lbs too much

6 0

2 years ago

Read 2 more answers