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slamgirl [31]
3 years ago
15

Some help me please i have 9 questions

Mathematics
1 answer:
Lyrx [107]3 years ago
5 0

awnser:

m<3=50

Step-by-step explanation:

seen in the picture if you need help let me know

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Eighty percent of the fans left the competition happy. If 800 fans left the competition unhappy, how many left happy ?
dezoksy [38]

Answer: 640

Step-by-step explanation:

3 0
3 years ago
Eli has saved $8 more than 1/3 of Angela's savings.If they each save $10 more Eli will have saved &amp;4 more than Angela's savi
statuscvo [17]

Answer:

Eli has saved $10

Step-by-step explanation:

Let us use the first letters of their names to represent them.

A for Angela and E for ELi

So, from the first statement, we can write out an equation: E = \frac{1}{3}A + 8, that is, <em>one-third of Angela's savings + $8 will give us Eli's savings</em>

From the second statement, we can write out: E + 10 = (A + 10) + 4 which means that <em>if $10 is added to both their savings, Eli will still have $4 more than Angela.</em>

So, we can solve both equations;

Equation 1: E = \frac{1}{3}A + 8

Equation 2: E + 10 = (A + 10) + 4; which can be rewritten as E + 10 = A + 14

and then E = A + 4

The two equations (in bold), can then be solved simultaneously.

Let us carry out this operation to <u>eliminate the E:</u> Subtract equation 1 from equation 2, so that;

A + 4 - ( \frac{1}{3}A + 8) = E - E

\frac{2}{3}A - 4 = 0

\frac{2}{3}A = 4

A = 4 × \frac{3}{2} = 6

So, if A is 6, and E = A + 4 (from equation 2, that means that E = 6 + 4 = 10

So, Eli has saved $10, while Angela has saved $6.

If we check what was said in the question about their savings, which is what we have represented using the equations, the answers can be confirmed.

3 0
3 years ago
Read 2 more answers
PLEASE HELP ILL MARK BRAILIEST! A rectangle has an area of 4 square meters. The width is 1/5 meter. What is the length of the re
Lesechka [4]

20

Step-by-step explanation:

1/5 x 20 = 4

6 0
3 years ago
HELP!!!
ladessa [460]
There should be sixteen branches. There are four possible suits for the first card, hearts, diamonds, clubs, spades. Then each of those four branches has four branches for the second card drawn. 4*4 = 16.
4 0
3 years ago
What is a 2 digit number between 20 and 99
PilotLPTM [1.2K]
Any number from 21-98 is between 20 and 99.
4 0
3 years ago
Read 2 more answers
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