2 years ago

Use the model of an atom to answer the question.

Mathematics

2 answers:

Aleonysh [2.5K]2 years ago

4 0

Answer:

Step-by-step explanation:

hope this helps

Sladkaya [172]2 years ago

3 0

Answer:

positive charges.

Step-by-step explanation:

amount of Protons determine the element.

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Alexander purchased a computer on sale. The regional price was $1200. The sale price was 5/6 of the original price. How much did

mel-nik [20]

5/6 * 1200/1 = 6000/6
6000/6 = 1000
Alexander pay $1000 for the computer.

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3 years ago

Expand and simplify<br> (x - 1)(2x + 3)

meriva

Answer: 3x+2

Step-by-step explanation:

8 0

3 years ago

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As part of a research project on student debt at TWU, a researcher interviewed a sample of 35 students that were chosen at rando

Inga [223]

Answer:

Option a is right

Step-by-step explanation:

Given that as part of a research project on student debt at TWU, a researcher interviewed a sample of 35 students that were chosen at random concerning their monthly credit card balance.

Sample average = 2573

Variance = 4252

Sample size = 35

STd deviation of X = $\sqrt{4252} \\=65.21$

Score of student selected at random X=1700

Corresponding Z score = $\frac{1700-2573}{65.201} \\=-13.38$

Rounding of we get Z score = -13.4

option a is right

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3 years ago

kallie has a pottery business to make a certain piece she spends 3.68 on materials and 6.52 on labor. she then sells the pottery

Mrac [35]

Answer:

3/5 + 7/10 = 6/10 + 7/10 = 13/10 = 1 and 3/10 lbs. needed

She has 4/5 *3/1 bags = 12/5 = 2 and 2/5 pounds

2 2/5 - 1 3/10 = 2 4/10 - 1 3/10 = 1 and 1/10 pounds left over

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3 years ago

3-BE

nata0808 [166]

$\sf \vec{w}=16km$
$\sf \vec{s}=9km$

Total distance

$\\ \sf\longmapsto PQ=16km-9km$

$\\ \sf\longmapsto PQ=7km$

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1 year ago