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3 years ago

HELP PLS WILL MARK BRAINLIEST!!!!!!!!!!!!

Mathematics

1 answer:

vaieri [72.5K]3 years ago

4 0

This is fairly easy.
60x30=1800
Just add up the zeros from both numbers and do 6x3.
So therefore there will be 18 hundreds sections since there is nothing on the tens digit and nothing on the ones digit.
Hope this helps!

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Please help me!!! :)

Elena-2011 [213]

(2x-4) / 5 = x + 4. Mult. both sides by 5 to eliminate the fraction on the left side:

2x-4=5x + 20

Combining like terms, 3x = -24, and so x = -8

8 0

3 years ago

Simplify 8(R + 6) - 2R.

Natali5045456 [20]

So the first thing you do is distrubute.

8(R+6) - 2R = 8R+48-2R = 6R + 48

Answer is 6R + 48.

8 0

3 years ago

Read 2 more answers

What is the center and radius of this circumference? <br> 5x²+5y²=20

elena-s [515]

The equation of a circle with a center of (h,k) with a radius of "r" is
$(x-h)^2 +(y-k)^2=r^2$

looking at the given equation,
5x^2 +5y^2=20
divide 5 to both sides to get
x^2+y^2 =4

now compare that to the equatio of a circle shown above

6 0

3 years ago

Which reaction describes a beta emission? 2659Fe→ 2759Co + −10e 88226Ra→ 86222Rn + 24He ��94239Pu + 24He→ 96242Cm + 01n

shepuryov [24]

Correct question:

Which reaction describes a beta emission? 2659Fe→ 2759Co + −10e, 88226Ra→ 86222Rn + 24He, 94239Pu + 24He→ 96242Cm + 01n, 54118Xe→ 53118I + +10e

Answer:

2659Fe→ 2759Co + 1e

Step-by-step explanation:

General equation for beta decay is given as;

$^A_zX -> \ ^A_{z+1}Y +\ ^0_{-1} \beta$

where;

A is the atomic mass of the element

z is atomic number of the element

X is the parent atom

Y is the daughter element

β is beta emission

In beta emission, there is loss of one electron and zero proton, the will cause the daughter element to gain on electron in order to balance the reaction.

Based on beta decay equation above, we select the reaction that describes beta emission.

2659Fe→ 2759Co + 1e

Here;

A = 59

z = 26

z + 1 = 27

5 0

3 years ago

Read 2 more answers

A bowl contains equal numbers of red, orange, green, blue, and yellow candies. Kaz eats all of the green candies and half of the

bagirrra123 [75]

Answer: 0%

Step-by-step explanation:

There are 5 colors of jelly beans.

Kaz ate all the green beans, so now only 80% of the jelly beans remain.

Kaz ate half of the orange pieces so now only 70% of the jelly beans remain.

Then Kaz ate half of the remaining pieces, so only 35% of the beans remain.

Current numbers: 0% green, 5% orange, 10% red, yellow, blue

Then he eats red and yellow candies in equal proportions until only 15% of the beans remain. This means that he ate 20% worth of red and yellow beans. This means that he ate all of the red and yellow beans.

Thus, there are 0% red beans left.

3 0

4 years ago