MATHEMATICS HIGH SCHOOL

V = u + 10t
Work out the value of v when
u = 10 and t = 7

Answers

Answer 1
Answer: well, we have to plug in the values and then solve for v

v=10 + 10 times 7

by order or operations 10 times 7=70 plus 10 is 80

so  v=80
Answer 2
Answer:

if u=10 and t=7

first: plug in the numbers (V=10+10(7))

second: use PEMDAS to solve

Third: 10+ 70=80

V=80

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Parallel lines s and t are cut by a transversal, r, as shown.Parallel lines s and t are cut by transversal r. Clockwise from top left, the angles formed by lines r and s are blank, (7 x minus 2) degrees, 1, blank; formed by lines r and t are blank, blank, blank, (6 x + 18) degrees.What is the measure of angle 1?20°42°138°160°
Answer this please, I really need help
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2. When a person is selected at random from a very large population, the probability that the selected person is righthanded is 0.82. If three people are selected at random, what is the probability that
a. They are all right-handed?
b. None of them is right-handed?

Answers

Answer:

a) 0.5514

b) 0.0058

Step-by-step explanation:

Data provided in the question:

Probability that the  the selected person is righthanded, P(R) = 0.82

Therefore,

Probability that the  the selected person is not righthanded, P(R') = 1 - 0.82

= 0.18

Now,

a. They are all right-handed

P (They are all right-handed) = P(R) × P(R) × P(R)

= 0.82 × 0.82 × 0.82

= 0.5514

b) None of them is right-handed

P (None of them is right-handed) = P(R') × P(R') × P(R')

= 0.18 × 0.18 × 0.18

= 0.0058

What is the slope of the line that passes through the points (-7, - 7) and (-7,1)?Write your answer in simplest form.

Answers

Answer:

Undefined

Step-by-step explanation:

Slope of the line

= (1 - ( - 7))/( - 7 - ( - 7)) = (1 + 7)/( - 7 + 7) = (8)/(0) = \infty \n = undefined

a figure has reflected symmetry across line a. line a passes through the figure. which statement is not true about the figure.

Answers

Answer:

hard stuff i can't answer

AnswerAnswerAnswerAnswerAnswerAnswer

The perimeter of a square is 24 cm. what is the length of the diagonal

Answers

A square is equal on all 4 sides and in this problem all sides are equal to 6. Therefore you have an isosceles right triangle with two sides of six making the Hypotenuse 6*the square root of two.
( the rule for an isosceles right triangle is the two legs are equal to X and the Hypotenuse is equal to X* the square root of 2  

For the function below, state the x-coordinate of the x-intercept that is located to the fight of the origin.f(x)=x^3-9x

Answers

Answer:

x = 3

Step-by-step explanation:

It should NOT be "fight of the origin", rather "right of the origin".

Now let's move on to solve the question...

The x-intercept is found by setting the function equal to 0. Thus:

0 = x^3 - 9x

Let's solve this using algebra:

0=x^3-9x\n0=x(x^2-9)\n0=x(x-3)(x+3)

Hence, x = -3 and x = 3

The coordinate that is to the right of the origin is the positive one, so x = 3 is the x-intercept we are looking for.

Convert 38% into a fraction

Answers

When converting numbers we always put the number over 100, so your answer is 38/100. Now when simplifying the fraction we are going to be utilizing the greatest common factor (GCF) so when we do that the answer we get is 19/50.
I hope this helps! 
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