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leonid [27]
3 years ago
9

© MP.3 Explain What addition doubles fact can help you find 4 +3? Explain how you know.

Mathematics
1 answer:
Vanyuwa [196]3 years ago
6 0

Answer:

4+4-8 is a doubles fact that can help you find 4+3

Step-by-step explanation:

4+3=7

4+4=8

8-1=7

By using the doubles fact 4+4 we can deduct that 4+3 = 7

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An estimated 40% of all people were born after the year 2000. If two people are selected at random from around the world, what a
sukhopar [10]

The chances that NEITHER of these two selected people were born after the year 2000 is 0.36

<h3>How to determine the probability?</h3>

The given parameters are:

Year = 2000

Proportion of people born after 2000, p = 40%

Sample size = 2

The chances that NEITHER of these two selected people were born after the year 2000 is calculated as:

P = (1- p)^2

Substitute the known values in the above equation

P = (1 - 40%)^2

Evaluate the exponent

P = 0.36

Hence, the chances that NEITHER of these two selected people were born after the year 2000 is 0.36

Read more about probability at

brainly.com/question/25870256

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4 0
1 year ago
Solve for x show all work
Marina86 [1]

Answer:

x = 6•3 == 18

18² = 324

324 + 2 + 11 = 337

<h2>337</h2>

Step-by-step explanation:

Order of Operations; PEMDAS

Parentheses

Exponents

Multiplication <u>& Division</u> <em>(Left to Right) (ex: 10x2÷5) You would do whatever comes left for Multiplication or Division.</em>

Addition <u>& Subtraction</u> <em>(Left to Right) (ex: 10-2+5) You would do whatever comes left for Addition & Subtraction.</em>

7 0
3 years ago
Read 2 more answers
Simplify completely quantity 8 x minus 16 over quantity x squared minus 13 x plus 22 and find the restrictions on the variable.
Nostrana [21]

Answer:

hope this helps !

Step-by-step explanation:

1) ( 8 x- 16 ) / (x²- 13 x + 22 ) = ( 8 x- 16 ) ( x - 11) ( x -2 ) = 8 ( x-2) ( x-11) ( x- 2 ) = 8/(x-11)

Restriction x ≠ 11 & x ≠ 2

since both values render the denominator = to 0 & we can't divide by 0.

5 0
2 years ago
How many dogs were household pets in the U.S in 2012, in scientific notation
Irina18 [472]

Answer:

A

Step-by-step explanation:

6 0
3 years ago
A high school administrator is interested in determining the relationship between high school students' final grades in geometry
Radda [10]

Answer: c. On average, a 1 percentage point difference in chemistry score is associated with a 0.919 percentage point difference in geometry score

Step-by-step explanation:

Given that:

Slope value = 0.91857341

The dependent and independent variables are ;

Dependent Variable: Geometry

Independent Variable: Chemistry

Slope is the rate of change in the dependent variable per unit change in the independent variable.

Hence, from the information given, we can conclude that for every 1% change in chemistry score (independent variable), there is a corresponding approximately 0.919% change in geometry score (dependent variable).

6 0
3 years ago
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