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SVETLANKA909090 [29]
4 years ago
15

Use the distributive property to simplify. 4(n-3)

Mathematics
2 answers:
mina [271]4 years ago
5 0

Answer:

4n-12

Step-by-step explanation:

use distributive property to move 4 inside the parenthesis multiplying the variable n and -3.

Anvisha [2.4K]4 years ago
3 0

Answer:

4n-12

Step-by-step explanation:

distribute 4 to the variable n and to 3

4 times n = 4n

4 times 3 = 12

4(n-3)=4n-12

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Elmer has a collection of 300 fossils. Of these, 21% are fossilized snail shells.
sergeinik [125]

Answer:

63

Step-by-step explanation:

You need to find 21% of 300.

To find a percent of a number, multiply the percent by the number. Change the percent to a decimal by moving the decimal point of the percent two places to the left.

21% of 300 =

= 21% * 300

= 0.21 * 300

= 63

6 0
4 years ago
Express answer in exact form. Show all work for full credit.
Mandarinka [93]
Our aim is to calculate the Radius so that to use the formula related to the area of a segment of a circle, that is: Aire of segment = Ф.R²/2

Let o be the center of the circle, AB the chord of 8 in subtending the arc f120°

Let OH be the altitude of triangle AOB. We know that a chord perpendicular to a radius bisects the chord in the middle. Hence AH = HB = 4 in

The triangle HOB is a semi equilateral triangle, so OH (facing 30°)=1/2 R.  Now Pythagoras: OB² = OH² + 4²==> R² = (R/2)² + 16
R² = R²/4 +16. Solve for R ==> R =8/√3

OB² = OH² +
6 0
4 years ago
Read 2 more answers
1.The table shows climate data for Death Valley, California, as recorded at the Cow Creek Station. The temperatures are rounded
PIT_PIT [208]
This question still doesn't make any sense, unfortunately.
5 0
4 years ago
A 32-ounce package of a snack mix is 24 percent pretzels. How many ounces are pretzels?
Igoryamba

Answer:

0.768 would be the amount of pretzels in ounces

Step-by-step explanation:

24% of 32 =0.768

how i got 24%?

24% of 100= 24

feel free to like and give brainliest

8 0
3 years ago
Read 2 more answers
Given: is a diameter<br> m 1 = 100°<br> m BC= 30°<br><br> m AD=<br><br> 50<br> 80<br> 100
olganol [36]

Answer:

100

Step-by-step explanation:

1=ad=100

and I need more characters so don't mind me.

8 0
4 years ago
Read 2 more answers
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