MATHEMATICS MIDDLE SCHOOL

Find the measure for angle A.
Find the measure for angle A. - 1

Answers

Answer 1
Answer:

Answer:

A = 44 degrees

Step-by-step explanation:

84 + x + 59 + x + 51 = 180

194 + 2x = 180

194 + 2x - 194 = 180 - 194

2x = -14

2x/2 = -14/2

x = -7

-7 + 51 = 44

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Write this in y=ax^2+b form:

y=(x-5)^2 - 2

Answers

Expand (x - 5)^2

(x - 5)^2 = (x - 5)(x - 5)

Multiply all the terms in the first parenthesis to all the terms in the 2nd:

x * x = x^2
x * -5 = -5x
-5 * x = -5x
-5 * -5 = 25

So we have:

x^2 - 5x - 5x + 25

Combine like terms:

x^2 - 10x + 25

Plug it back in:

y = (x - 5)^2 - 2

y = x^2 - 10x + 25 - 2

Combine like terms:

y = x^2 - 10x + 23
y=(x-5)^2-2\ny=x^2-10x+25-2\ny=x^2-10x+23

Simply this expression (-0.25x- 3) - (1.5x +1.4)

Answers

1.75x-4.4

Expression:

  • An expression, often known as a mathematical expression, is a finite collection of symbols that are well-formed in accordance with context-dependent principles.

Simplification of expressions:

  • A mathematical expression is simplified when it is expressed in the simplest way possible.
  • The expression is usually reduced to its simplest form by using fundamental features of numbers, exponents, algebraic principles, etc. to eliminate any repetitions or redundancies.

Solution -

Given expression -(-0.25x-3)-(1.5x+1.4).

To find - Simplify the expression.

Since,

(-0.25x-3)-(1.5x+1.4)\n-0.25x-3-1.5x+1.4\n= 1.75x-4.4

Therefore, after simplification the expression is 1.75x-4.4.

Know more about expressions here:

brainly.com/question/723406

#SPJ2
SOLUTION:

= ( - 0.25x - 3 ) - ( 1.5x + 1.4 )

= - 0.25x - 3 - 1.5x - 1.4

= - 1.75x - 4.4

Thomas has a box with four black color bottles and eight gray color bottles. Two bottles are drawn without replacement from the box. What is the probability that both of the bottles are gray

Answers

The probability that the bottles pulled out are gray is a 8:4 chance. Reduced that would be 1:2. so 1/2 chance that both are gray

Can someone answer this question?

Answers

Answer:

You're correct, it's 7.5!

Step-by-step explanation:

15% is still 15/100. So, if you to divide 100 by 2 to convert it to 50, then you divide 15 by 2 as well! And the answer to that is 7.5.

John said that 52 is part of the pattern below. Mary said that 66 is part of the pattern below.

Who is correct?
Pattern: 18,26,34,42

A. Neither is correct. B. Both are correct. C. Only John is correct. D. Only Mary is correct.

Answers

(A)Neither is correct.....
so since the pattern is going by 8 the only correct answer is  Mary would be Correct. hope i helped =)

In a bag there are five red marbles four blue marbles what is the probability of getting a red marble? Write your answer a present

Answers

the probability of picking a red Marble is 5/9
probability of a red marble over a blue marble is 5:9
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