Escribe los números que faltan para completar las siguientes operaciones

Mathematics

1 answer:

AURORKA [14]3 years ago

5 0

Answer:

9 x 4

7 x 3

-5 x 8

-10 x +10

eso es todo lo que puedo hacer baby

Step-by-step explanation:

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The table shows weight for different US coins Allen has one each coin in his hand.round each weight to the nearest whole gram.th

Elodia [21]

penny: 3 grams

nickel: 5 grams

dime: 2 grams

quarter: 6 grams

half dollar: 11 grams

3+5+2+6+11= 27

answer: 27 grams

hope this helps!

4 0

3 years ago

Plz someone help me on this too plz plz

san4es73 [151]

1. 7 and -7 are both 7 units away from 0. They are 14 units away from each other. Absolute value helps because rather than 7+(-7) being 0 absolute value makes anything positive so it becomes 7+7=14 to be able to count the units between the two.

2. 5 and -5 are both 5 units away from 0. They are 10 units away from each other. Absolute value helps because rather than 5+(-5) being 0 absolute value makes anything positive so it becomes 5+5=10 to be able to count the units between the two.

3. 2 and -2 are both 2 units away from 0. They are 4 units away from each other. Absolute value helps because rather than 2+(-2) being 0 absolute value makes anything positive so it becomes 2+2=4 to be able to count the units between the two.

Hope that helps

8 0

3 years ago

Find the area of an octagon whose perimeter is 120 cm.

stira [4]

Answer:

The area of an octagon whose perimeter is 120 cm is 1086.4 $cm^{2}$

Step-by-step explanation:

An octagon is a polygon with eight sides. If the lengths of all the sides and the measurement of all the angles are equal, the octagon is called a regular octagon.

There is a predefined set of formulas for the calculation of perimeter, and area of a regular octagon.

The perimeter of an Octagon is given by

$P=8a$