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2 years ago

Find the sum. -6 2/3 + (-7 1/6)

Mathematics

2 answers:

serg [7]2 years ago

7 0

Answer:

-13 83/100

Step-by-step explanation:

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jeka942 years ago

3 0

Answer:

negative 83 over 6−

=negative 13 and 5 over 6− 13

≈negative 13.833−13.833

Step-by-step explanation:

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What is 3.55 divided by 5 equal 3 tenthsdivided by 5 + 5 hundredths divided by 5 equal

levacccp [35]

No it is not equal. 3.55 divided by 5=0.71. 0.3 divided by 5+ 0.05 divided by 5 equals to 0.07.

7 0

3 years ago

Round or compatible 198 add 727 to the estimate sum

uranmaximum [27]

Lets break this down here.

First- 198 rounded would be 200
Then- we add 727 which would be 927
if you were to round that it would be 930

3 0

3 years ago

-/2 points

Rom4ik [11]

Answer:

Part 1) The domain of the quadratic function is the interval (-∞,∞)

Part 2) The range is the interval (-∞,1]

Step-by-step explanation:

we have

$f(x)=-x^2+14x-48$

This is a quadratic equation (vertical parabola) open downward (the leading coefficient is negative)

step 1

Find the domain

The domain of a function is the set of all possible values of x

The domain of the quadratic function is the interval

(-∞,∞)

All real numbers

step 2

Find the range

The range of a function is the complete set of all possible resulting values of y, after we have substituted the domain.

we have a vertical parabola open downward

The vertex is a maximum

Let

(h,k) the vertex of the parabola

The range is the interval

(-∞,k]

Find the vertex

$f(x)=-x^2+14x-48$

Factor -1 the leading coefficient

$f(x)=-(x^2-14x)-48$

Complete the square

$f(x)=-(x^2-14x+49)-48+49$

$f(x)=-(x^2-14x+49)+1$

Rewrite as perfect squares

$f(x)=-(x-7)^2+1$

The vertex is the point (7,1)

therefore

The range is the interval

(-∞,1]

6 0

3 years ago

How many solutions does the equation 4x+2(x+5) = ( 2x-4) have?

aliina [53]

Answer:

Step-by-step explanation:

4 0

3 years ago

The diameter of a circle is 26 millimeters. What is the circle's circumference?

Shkiper50 [21]

Step-by-step explanation: the answer for this question should be 81.64 because to find the circumference you need to know the circumference formulas which is C=TT times d or C= 2 times TT times r.

C= 3.14 times 26 C= 2 times 3.14 times 13

C= 81.64

so the answer is 81.64 for the circle's circumference so hopefully that is the correct answer and have a great day

7 0

2 years ago

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