3 years ago

HELP ME PLEASEEEE!!!!

Mathematics

1 answer:

wariber [46]3 years ago

6 0

Answer:

Step-by-step explanation:

count the brackets on the line d and e

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A=20<br> B=10<br> C=23<br> D=29.2

11111nata11111 [884]

It’s 20 inches I think

3 0

2 years ago

Please Help Me! I will give brainly!!

DerKrebs [107]

Answer:

5 1/10 meters

Step-by-step explanation:

18 4/5 can be changed to 18 8/10 so

18 8/10 - 13 7/10 = 5 1/10 meters

8 0

3 years ago

Read 2 more answers

Recall the chapter example which described the fact that the mean IQ in large, diverse populations is 100 and the standard devia

vova2212 [387]

Answer:

The margin of error for the 99% confidence level for this sample is ±2.23.

None of the given figures is close to the answer:

E. None of the above

Step-by-step explanation:

margin of error (ME) around the mean can be calculated using the formula

ME= $\frac{z*s}{\sqrt{N} }$ where

z is the corresponding statistic of the 99% confidence level (2.576)

s is the population IQ standard deviation (15)

N is the sample size (300)

Using these numbers we get:

ME= $\frac{2.576*15}{\sqrt{300} }$ ≈ 2.23

7 0

3 years ago

3(x- 1) - 8 = 4 (1+ x) = +5

katrin [286]

Answer:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

x = 5 x = 4

Step-by-step explanation:

6 0

3 years ago

True or false if you know the area and length of a rectangle you can find its width ?

a_sh-v [17]

True. The formula for the area of a rectangle is length multiplied by width. Therefore, we can find the width by dividing the area by the length through Division Property of Equality.

4 0

3 years ago