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3 years ago

What is the first step when evaluating the expression 8 + 6 – 4 ÷ 4 + 2?

Mathematics

2 answers:

Juliette [100K]3 years ago

5 0

Divide four by four first

alexandr402 [8]3 years ago

5 0

BODMAS is the shortened way to solve this problem and it is shortened for,

Bracket

Division

Multiplication

Addition

Subtraction

Therefore

$8 + 6 - 4 \div 4 + 2 \\ = 8 + 6 - 1 + 2 \\ = 15$

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Vesna [10]

Answer:

1.) -4x+30y 2.) distributive property 3.) -4x+30y, (-0.4(3)+3(2)), 10(-1,2)+10(6), -12+60, =48

Step-by-step explanation:

10(-0.4x+3y)= 10(-0.4x)+10(3y)= -4x+30y

10(-0.4(3)+3(2))

10(-0.4(3))+10(3(2))

10(-1.2)+10(6)

-12+60

= 48

7 0

2 years ago

In it 34/50 of the coins are quarters what percent of the coins are quarters

ziro4ka [17]

Answer:

68% are quarters

Step-by-step explanation:

Percent means out of 100

34/50

Multiply by 2/2

34/50 *2/2

68/100

This means 68 percent

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3 years ago

An isosceles trapezoid is a quadrilateral with two congruent legs and a pair of parallel bases. Prove the base angles of an isos

Alex_Xolod [135]

BE is congruent to overline CF since they are altitudes of the same trapezoid(S). AB is congruent to overline CD (Given) AE is congruent to overline FD by the Hypotenuse Leg Theorem. triangle ABC is congruent to triangle DCF (SSS Triangle Congruence) angle A is congruent to angle D since corresponding parts of congruent triangles are congruent.

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3 years ago

Historical data for a local manufacturing company show that the average number of defects per product produced is 2. In addition

charle [14.2K]

Answer:

The probability that there will be a total of 7 defects on four units is 0.14.

Step-by-step explanation:

A Poisson distribution describes the probability distribution of number of success in a specified time interval.

The probability distribution function for a Poisson distribution is:

$P(X = x)=\frac{e^{-\lambda}\lambda^{x}}{x!}, x=0,1,2,3,...$