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3 years ago

I need help please someone help me

Mathematics

1 answer:

AleksAgata [21]3 years ago

7 0

Answer:
C. The next fraction in the pattern is 243/324.

Explanation:
If you notice every fraction is doubled by 3 so they are all equal.

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97) If the average of 3a and 4b is less than 50 and a is twice b, what

oee [108]

The average of $3a$ and $2b$ satisfies

$\dfrac{3a+4b}2$

Then

$a=2b\implies\dfrac{3(2b)+4b}2=5b$

$a=2b$ , so if $a$ must be an integer, then the largest integer value it can take on is 19 if $b$ can be a rational number (in which case $b=9.5$ ) or 18 if $b$ must also be an integer.

Given that none of the provided answer choices lists 18 or 19, I'd bet there's a typo and you're supposed to find the maximum integer value of $b$ , in which case the answer would be B as the largest integer value would be 9.

3 0

4 years ago

2x + 3 (x - 10) = 45 ?? A. X =15 B. X=3 C. X=7 D. X=11

mario62 [17]

Answer:

A. x = 15

Step-by-step explanation:

2x + 3 * (x - 10) = 45

2x + 3x - 30 = 45

5x - 30 = 45

5x = 75

x = 15

3 0

3 years ago

What must be true to find the sum of a infinite sequence?

Georgia [21]

Answer:

The series must be decreasing, and the limit as the n-th term goes to infinity should be 0.

3 0

4 years ago

8 Maia is designing a frame that must cover an area of 2000 cm². This is her diagram of the area to be covered by her frame.

pentagon [3]

Answer:

(2000÷25) x 10= 800mm

Step-by-step explanation:

First you have to divide 2000 by 25 to see what the other side is. If you divide it you get 80. Then you have to times it by 10 to convert it

8 0

3 years ago

ASAP

Gala2k [10]

35 minutes yes tag it’s let me know if I’m wrong

8 0

3 years ago