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Olegator [25]
2 years ago
6

A number is chosen at random from 1 to 25. Find the probability of selecting an odd number or multiple of 5.

Mathematics
2 answers:
andreyandreev [35.5K]2 years ago
5 0
16\25 (my guess)
Because there is 13 odd numbers and 3 is a multiple of 5 so i added 13+3=16
16 out of 25 options

Sauron [17]2 years ago
4 0
Odd number probability: 13/25 Multiple of five probability: 4/25
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Factor 2x 2 - 10x + 8 completely.
murzikaleks [220]

Answer:

2(x-1)(x-4)

Step-by-step explanation:

Begin by dividing each term by 2 and pulling the 2 to the front.

2x^2-10x+8 = 2(x^2-5x+4)

This is a trinomial. Trinomials are three term algebraic expressions typically featuring variables to exponent powers. To break these trinomials down we factor them using the diamond method or GCF. The diamond method states that for a trinomial ax^2+bx+c multiply a*c then find two numbers which multiply to this number and add to b. When you find those numbers, write them as (x-/+ number)(x-/+number).

x^2-5x+4

a=1, c=4

ac=4 and add to b=-5 which -1 and -4 satisfy

The factored form is 2(x-1)(x-4).


6 0
2 years ago
What is the exact value of the expressions the square root of 180 − the square root of 125 the square root of 5 ? simplify if po
joja [24]
\sqrt{180}-\sqrt{125}+\sqrt5=\sqrt{36\cdot5}-\sqrt{25\cdot5}+\sqrt5\\\\=\sqrt{36}\cdot\sqrt5-\sqrt{25}\cdot\sqrt5+\sqrt5\\\\=6\sqrt5-5\sqrt5+\sqrt5\\\\=\boxed{2\sqrt5}
5 0
3 years ago
Read 2 more answers
For which values of x is the inequality 2x + 19 ≥ 3x– 19 true?
hram777 [196]
Answer: C
X < 38
I hope this helped
5 0
2 years ago
Simplify the expression using properties of exponents. -16a-3b-5 2a-4b2
lions [1.4K]

a^n\cdot a^m=a^{n+m}\\\\-16a^{-3}b^{-5}\cdot2a^{-4}b^2=(-16\cdot2)(a^{-3}a^{-4})(b^{-5}b^2})\\\\=-32a^{-3+(-4)}b^{-5+2}=\boxed{-32a^{-7}b^{-3}}

8 0
2 years ago
What is the linear function equation represented by the graph?
victus00 [196]

The linear function equation is \boxed{y = \frac{1}{3}x - 4}.

Further explanation:

The formula for slope of line can be expressed as,

\boxed{m = \frac{{{y_2} - {y_1}}}{{{x_2} - {x_1}}}}

Explanation:

The line intersect \text{y}-axis at \left( {0,- 4} \right).

Therefore, the \text{y}-intercept is -4.

The line passes through the points \left( {0,- 4} \right) and \left( {3,- 3} \right).

The slope can be obtained as follows,

\begin{aligned}m &= \frac{{- 3 - \left( { - 4} \right)}}{{3 - 0}}\\&= \frac{{ - 3 + 4}}{3}\\&= \frac{1}{3}\\\end{aligned}

The slope of the line is \dfrac{1}{3}.

The slope intercept form of the linear equation is given as follows.

\boxed{y = mx + k}

Substitute \dfrac{1}{3} for m and -4 for k in equation y = mx + k.

y = \dfrac{1}{3}x - 4

The linear function equation is \boxed{y = \frac{1}{3}x - 4}.

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  2. Suppose that you find the volume of all the oceans to be 1.4×109km3 in a reference book. to find the mass, you can use the density of water, also found in this reference book, but first you must convert the volume to cubic meters. what is this volume in cubic meters? brainly.com/question/1446243.

Answer details:

Grade: High School

Subject: Mathematics

Chapter: Linear equation

Keywords: graph function, numbers, slope, slope intercept, equation, linear function, linear equation, y-intercept, graph, representation, origin.

3 0
3 years ago
Read 2 more answers
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