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3 years ago

So I need the answers ASAP 30 points and brainliest

Mathematics

2 answers:

Alenkasestr [34]3 years ago

8 0

So the first one would be 6/20 which reduces to 3/10. the second one is there are likely 80 black marbles.

shtirl [24]3 years ago

7 0

Answer:

okay so count how many beads there are in all then mak eitinto a fraction and then you will gte your answer

Step-by-step explanation:

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What is the measures of N<br>

Lubov Fominskaja [6]

Answer:provides that the voter approval requirement would not apply where the General Plan amendment is necessary to comply with state or federal housing law, including, but not limited to, affordable housing requirements.

Step-by-step explanation:

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2 years ago

Suppose that the populations of the United States and China both increase by 12 million people in one year. What would be the re

Jlenok [28]

Question:

Suppose that the populations of the United States and China both increase by 12 million people in one year. What would be the relative change for each country? Answer to the nearest tenth of a percent (1 decimal place). Make sure that you fill in each answer area before checking "How Did I Do?".

If you assume that the U.S. population is about 300 million, an increase of 12 million would result in a relative change of Number %.

If you assume that China has about 1 billion people, an increase of 12 million would result in a relative change of Number %.

Answer:

The relative change of the United States and China is 4% and 1.2%, respectively.

Step-by-step explanation:

Given

Represent population with p. So, we have:

United States

$\triangle p = 12\ million$

$p_1 =300\ million$

China

$\triangle p = 12\ million$

$p_1 =1\ billion$

Required

Determine the relative change for each country

Relative change, C is calculated as:

$C = \frac{\triangle p}{p} * 100\%$

For United States

$C = \frac{12\ million}{300\ million} * 100\%$

$C = \frac{12}{300} * 100\%$

$C = \frac{12 * 100}{300}\%$

$C = \frac{1200}{300}\%$

$C = 4\%$

For China

$C = \frac{12\ million}{1\ billion} * 100\%$

$C = \frac{12}{1000} * 100\%$

$C = \frac{12* 100}{1000} \%$

$C = \frac{1200}{1000} \%$

$C = 1.2\%$

The relative change of the United States and China is 4% and 1.2%, respectively.

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2 years ago

What is the answer to this question

Lady_Fox [76]

Answer:

The term rate refers to a quantity of one item in relation to another item used as a standard. A popular example is speed. Speed is a measure of distance traveled through time and is measured as meters per second. Another example is acceleration, which is a measure of speed through time or simply how fast an object is gaining speed and is measured in meters per second squared.

Step-by-step explanation:

Example: For example, if it is a mile, you count how many feet are in that mile.

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2 years ago

Proving trapezoid theorems Geometry

Artist 52 [7]

Answer:

ΔABD ≅ ΔACD by SAS, therefore;

$\overline {BD} \cong \overline {CA}$ by CPCTC