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likoan [24]
2 years ago
12

Help please. I don't understand

Mathematics
1 answer:
inna [77]2 years ago
7 0
In the middle of the first squre
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in a class of 34 students 19 of them are girls what percentage of the class are girls to 1 decimal place
motikmotik

Answer:

55.9% of the class are girls

Step-by-step explanation:

19/34 = 0.559

0.559 x 100 = 55.9%

6 0
2 years ago
Read 2 more answers
HELP ME PLEASE I NEED HELP​
Olin [163]

Step-by-step explanation:

You should prolly subtract 2 from both sides first.

So you get, -|2/5x + 3| > -1 2/5

  • Add three to both sides
  • -|2/5x| = -1 2/5
  • Do -1 and 2/5 divided by 2/5 to get -3.5, x > -3.5

One of the answers is x > -3.5 but you need to switch the sign to less than and make the other side the opposite.

-( \frac{2}{5}x + 3 ) < 1 \frac{2}{5}

You see that, switched the sign and made whats on the right side opposite. So now solve for x again but with this new equation. Also, the parentheses are absolute value signs

Subtract 3 from both sides

-|2/5x| < -1 and 3/5

Divide 2/5 from each side to get x < -4

I hope I'm correct, my bad if I'm wrong

6 0
2 years ago
Read 2 more answers
Plzzzzzz help ASAP!!!!!
LiRa [457]
The answer would be A
7 0
3 years ago
Read 2 more answers
Pls help solve a and b
Varvara68 [4.7K]
A is 9 for the proportion part but I can’t see the rest of b so I can’t answer that for you
6 0
3 years ago
Suppose a researcher examined a relationship between taking aspirin every day (yes/no) and the incidence of a heart attack (yes/
Norma-Jean [14]

Answer:

C . Yes, because aspirin is known to reduce heart attacks.

Step-by-step explanation:

A research examined so he find that aspirin reduce the heart attack .A chi-square test on the data collected in a randomized experiment.

7 0
2 years ago
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