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Aleksandr [31]
3 years ago
13

8/3 +8/-7. What is answer

Mathematics
2 answers:
MArishka [77]3 years ago
8 0

Answer:

1.52380952381 is the correct ans

tresset_1 [31]3 years ago
7 0

Answer:

1 11/21

Step-by-step explanation:

When added, the answer as a mixed number is 1 11/21.

Hope this helps!!! PLZ MARK BRAINLIEST!!!

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A student needs to make a square cardboard piece. The cardboard should have a perimeter equal to at least 92 inches. The functio
saveliy_v [14]

Answer: d. s ≥ 23


Step-by-step explanation:

Let s be the side of the square.

We know that the perimeter of a square =4s

Let f(s)=4s

If the cardboard should have a perimeter equal to at least 92 inches, the inequality would look like

4s\geq 92

Divide both sides by 4, we get

s\geq\frac{92}{4}\\\Rightarrow\ s\geq23

Thus, d. is the right answer. The reasonable domain of f(s) is s\geq23


7 0
3 years ago
Which of these mappings is a function?
strojnjashka [21]

Answer:

B

Step-by-step explanation:

My power of guesssing :)

6 0
3 years ago
Consider the quadratic equation: 5x2 + 2x + 1 = 0. 1) Which statement is true about the roots of the given quadratic equation? A
IRINA_888 [86]

Hello!

In math, there is always something called the discriminant. This is represented by the equation b^{2} -4ac, when a quadratic = ax^{2} + bx + c. The discriminant tells you what roots an equation has. A discriminant of over 0 represents 2 real roots, a discriminant of 0 = 1 real root, and a discriminant of <0 is 0 real roots (2 complex roots)

Now, substitute in the values and solve. In this equation, a = 5, b = 2, c = 1.

b^{2} -4ac

2^{2} -4(5)(1)

4 - 20

-16

Therefore, the discriminant is -16. This means that the equation has no real roots, and has 2 complex roots. Therefore, your answer is D.

Hope this helps!

5 0
3 years ago
(-4)-(-2)-{(-5)-[(-7)+(-3)-(-8)]}<br> Solve
vodomira [7]

Answer:

I got 1 when I solved this problem

5 0
3 years ago
James wants to tile his floor using tiles in the shape of a trapezoid. To make the pattern a little more interesting he has deci
marshall27 [118]

Answer:

Choice C. 14 inches

Step-by-step explanation:

Middle between 12 and 16 inches.

7 0
2 years ago
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