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Nady [450]
3 years ago
8

Sue wants to use mental math to find 7x53 write an expresión she Could use

Mathematics
1 answer:
asambeis [7]3 years ago
8 0
371 is the answer you welcome
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Caleb is making a drawing of a window that is 9 inches high. However, his ruler that he’s using only measures in centimeters. If
puteri [66]

Answer:

22.5 cm

Step-by-step explanation:

9 inches=9×2.5 cm =22.5 cm

5 0
2 years ago
bacteria colonies can triple in size every 4 days. If you start with 150 bacteria microorganisms, how large with the colony be a
-Dominant- [34]
It triples in size every 4 days.  In 16 days it will be 3 * 3 * 3 * 3 times bigger.

3 * 3 * 3 * 3 = 81
Therefore, after 16 days, the colony will contain (81 * 150) or 12,150 microorganisms.


6 0
3 years ago
A math class's mean test score is 88.4. The standard deviation is 4.0. If Kimmie scored 85.9, what is her z-score
kvv77 [185]

The z-score of Kimmie is -0.625

<h3>Calculating z-score</h3>

The formula for calculating the z-score is expressed as;

z = x-η/s

where

η is the mean

s is the standard deviation

x is the Kimmie score

Substitute the given parameter

z = 85.9-88.4/4.0

z = -2.5/4.0

z = -0.625

Hence the z-score of Kimmie is -0.625

Learn more on z-score here: brainly.com/question/25638875

#SPJ1

5 0
2 years ago
PLS PLS PLS HELP IM ON TENTH GRADE HELP
Furkat [3]

Answer:

it is called the <u>sector</u> of the circle. a sector is a part of a circle enclosed by two radii of the circle, like a slice of pie. hope this helps!

8 0
2 years ago
3.
sergeinik [125]

Answer:

14.11

Step-by-step explanation:

.83*16.5=14.11

8 0
2 years ago
Read 2 more answers
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