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Masteriza [31]
3 years ago
6

Find in the table for any missing values. Please help!!!

Mathematics
1 answer:
Oxana [17]3 years ago
8 0

Answer:

1:3

2:6

3:9

5:15

Step-by-step explanation:

Ask yourself: What times 3 equals my number?

As you can see 1x3=3 then 2x3=6, 3x3=9, and lastly 5x3=15

This is how you solve the chart.

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A box contains 35 coins either nickels or dimes all worth $2.90. How many dimes are in the box?
tino4ka555 [31]

Answer:

There are 23 dimes in the box

Step-by-step explanation:

Let nickels=n

Let dimes=(35-n)

Equation: 0.05n+0.10(35-n)=2.90

Multiply both sides by 100: 5n+10(35-n)=290

-5n+350=290

-5n=-60

n=12

35-12=23

Therefore, there are 23 dimes in the box

3 0
3 years ago
Question 3<br> Name the transformations of the next equation y
Sergio039 [100]

Answer:

1غىخةضهاثضخ

Step-by-step explanation:

ى7غ-3ص0ض49ة=

4 0
3 years ago
At the beginning of an experiment, there are 400 grams of contaminants. Each hour, three-fourths of the contaminants are filtere
snow_tiger [21]

Answer:

thats 300 grams filtered out per hour

Step-by-step explanation:

so 4/4ths of 400 is 400 but taking 3/4ths is turning it too 100 grams

4 0
3 years ago
20 points
hammer [34]

Answer: it should be the first one!! :)

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
Find the equation, in standard form, of the line passing through the points (3,-4) and (5,1)
Musya8 [376]
(3,-4)(5,1)
slope = (1 - (-4) / (5 - 3) = (1 + 4) / 2 = 5/2

y = mx + b
slope(m) = 5/2
use either of ur points (5,1)...x = 5 and y = 1
now we sub and find b, the y int
1 = 5/2(5) + b
1 = 25/2 + b
1 - 25/2 = b
2/2 - 25/2 = b
-23/2 = b

so ur equation is y = 5/2x - 23/2...but we need it in standard form

y = 5/2x - 23/2...subtract 5/2x from both sides
-5/2x + y = -23/2....multiply everything by -2
5x - 2y = 23 <== standard form
4 0
3 years ago
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