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3 years ago

Leah wrote 2 different fractions with the same denominator. both fractions were less than 1. can their sum equal 1? explain

1 answer:

8 0

Yes. Their sum can be equal to 1 because if they have the same denominator they will add easier like 3/4 and 1/4 or 1/2 and 1/2. All of them have the same denominator and still equal 1

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The chess clubs of two schools consist of, respectively, 8 and 9 players. Four members from each club are randomly chosen to par

liq [111]

Answer:

A)1/18

B)1/6

C)13/18

Step-by-step explanation:

THIS IS THE COMPLETE QUESTION BELOW,

The chess clubs of two schools consist of, respectively, 8 and 9 players. Four members from each club are randomly chosen to participate in a contest between the two schools. The chosen players from one team are then randomly paired with those from the other team, and each pairing plays a game of chess. Suppose that Rebecca and her sister Elise are on the chess clubs at different schools. What is the probability that (a) Rebecca and Elise will be paired? (b) Rebecca and Elise will be chosen to represent their schools but will not play each other? (c) either Rebecca or Elise will be chosen to represent her school?

CHECK THE ATTACHMENT'S FOR STEP BY STEP EXPLANATION

7 0

4 years ago

What is the difference between the mean absolute deviation (MAD) for data set A and B?

kkurt [141]

Answer:

Step-by-step explanation:

for A

10+9+3+8+10

=40/5

for B

5+11+2+7+16

=41/5

=8.2

difference between A and B

8.2-8

=0.2

approximately

8 0

3 years ago

Janice is asked to solve0=64x^2+16x-3 what is x

Papessa [141]

Answer:

x=-1/8 or 3/8

Step-by-step explanation:

64x^2+16x-3=0

By Mid term breaking

64x^2-24x+8x-3=0

8x(8x-3)+1(8x-3)=0

(8x+1)(8x-3)=0

Either

8x+1=0 OR 8x-3=0

8x=-1 OR 8x=3

x=-1/8 OR x=3/8

8 0

3 years ago

In the graphic below, the measure of angle ABC is:

ArbitrLikvidat [17]

(Angle ABD) + (Angle ABC) = 180
Angle ABC = 180 - (Angle ABD)
Angle ABC = 180 - 37
Angle ABC = 143

Answer: Choice A) 143 degrees

8 0

3 years ago

Find the radius of a sphere with a surface area of 804 cm^2.

Elanso [62]

Surface area of sphere equals its four radii squared multiplied by the number π.
We have then:
A = 4 * π * R ^ 2
Substituting:
804 = 4 * π * R ^ 2
Clearing the value of R we have:
R = root (804 / (4 * π))
R = 7.99876785 cm
Nearest whole number:
R = 8 cm
Answer:
The radius of a sphere is:
B. 8cm

3 0

3 years ago