A proportional relationship is when you cross multiply, and the numbers are equal. See the first few numbers.
1 x 12 = 12
3 x 4 = 12
Now solve.
3 x 16 = 48
48/12 = 4
20 x 8 = 160
160/5= 32
The first answer is 4, and the second is 32.
Hope this helps! :)
Answer:
a)45º
b)22º
c)22º
Step-by-step explanation:
Add Angle b and angle a (45+113) then subtract from 180º (because that is the total of all triangle angles) and you get 22º
Answer:
18 melon
Step-by-step explanation:
Given :
Original stack :
Melon = 45
Grape fruits = 60
Mini version :
Grapefruit = 24
Using grapefruit ; we can obtain the scale factor;
60 : 24 = 2.5 : 1
Hence,
Amount of melon in the mini version is :
45 / 2.5
= 18
Answer:
=4/13
Step-by-step explanation:
There are 13 hearts in a deck
4 jacks
but 1 is the jack of hearts so we don't double count it
13+4-1 = 16
P( heart or a jack) = jack or heart/ total
= 16/52
=4/13
9514 1404 393
Answer:
0.001
Step-by-step explanation:
In our base-10 place-value number system, the "places" correspond to powers of 10. Those powers start at 0 in the "ones place", and increase by 1 for each place to the left. That is, the 10s place digits have a place value of 10^1, the 100s place digits have a place value of 10^2 and so on.
The place values to the right of the decimal point work the same way. For each place to the right, the exponent decreases by 1. The tenths place (0.1) digits have a place value of 10^-1, the hundredths place (0.01) digits have a place value of 10^-2, and the thousandths place (0.001) digits have a place value of 10^-3.
10^-3 = 0.001
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<em>Additional comment</em>
Some places, 10^-3 <em>is</em> standard notation. That is, what is defined as "standard" varies around the world.