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Eva8 [605]
4 years ago
14

Graph the inequality on a number line

Mathematics
1 answer:
pantera1 [17]4 years ago
4 0
I’m in middle school
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Describe the symmetry of these functions.
sertanlavr [38]

Answer:

line symmetry & rotational symmetry

Step-by-step explanation:

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What would y equal for this isosceles triangle
dsp73

Answer:

y would be equal to 27

step by step explanation:

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Read 2 more answers
Which of the following is not a Pythagorean triple?
Vinil7 [7]

Answer: D,(11,61,62)

Step-by-step explanation:28,45,53

53²=28²+45²

2,809= 784+2,025

         = 2,809

53²=2,809

(28,45,53) is a Pythagorean triple

16,63,65

65²=16²+63²

4225=256+3969

        = 4225

65²=4225

(16,63,65) is a Pythagorean triple

13,84,85

85²=13²+84²

7225=169+7056

        =7225

85²=7225

(13,84,85) is a Pythagorean triple

11,61,62

62²=11²+61²

3,844=121+3,721

        =3,842

62²=3,844

(11,61,62) is not a Pythagorean triple

4 0
3 years ago
find the least length of a rod which can be cut into exactly epual strips,each of either 36cm or 42cm in length​
Triss [41]

Step-by-step explanation:

so, we need to find the smallest common multiple of 36 and 42.

that is the smallest number I can divide both by 36 and 42 without remain.

let's use the method of basic prime factors (we start with the smallest fitting prime number - 2 is a prime number too - and divide as often as possible, then continue with the next bigger prime number, until there is nothing left to divide) :

36 / 2 = 18

18 / 2 = 9

9 / 3 = 3

3 / 3 = 1 finished

therefore,

36 = 2×2×3×3

42 / 2 = 21

21 / 3 = 7

7 / 5 does not work

7 / 7 = 1 finished

therefore,

42 = 2×3×7

to find the smallest common multiple (SCM) we check the maximum length of each prime factor sequence.

and we see 2 times 2, 2 times 3 and 1 time 7.

so, the SCM = 2×2×3×3×7 = 252.

there is no smaller number that can be divided by both 36 and 42 without remain.

so, the rod must be at least 252 cm long to cut it into equally long pieces of either 36 cm (7 pieces) or 42 cm (6 pieces).

5 0
3 years ago
What is the sum of the given polynomials in standard form? (x2 – 3x) (–2x2 5x – 3).
Rina8888 [55]

Sum of standard form polynomials means adding the terms of same variable. The sum of the given polynomial in standard form is,

-x^2+2x-3

<h3>What is polynomial equation?</h3>

A polynomial equation is the equation in which the unknown variable is one and the highest power of the unknown variable is n.

Here, <em>n</em> is any real number.

In the polynomial equation the the terms are added or subtracted from each other only when the power of the variable is same.

Given information-

The first polynomial equations given in the problem is,

(x^2 - 3x)

The second polynomial equations given in the problem is,

(-2x^2+ 5x - 3).

To find the sum of these two polynomials, add the two terms together as,

(x^2 - 3x)+(-2x^2+ 5x - 3)

Let the result of the sum is f(x). Thus,

f(x)=(x^2 - 3x)+(-2x^2+ 5x - 3)\\f(x)=x^2-3x-2x^2+5x-3

Separate the similar power variable as,

f(x)=(x^2-2x^2)+(-3x+5x)-3\\f(x)=-x^2+2x-3

Thus the sum of the given polynomial in standard form is,

-x^2+2x-3

Learn more about the polynomial equation here;

brainly.com/question/2833285

7 0
2 years ago
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