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Alex
2 years ago
6

Match each percent amount to its correct value. Tiles 15% of 30 30% of 45 60% of 7 23% of 20 Pairs 13.5 arrowBoth 4.5 arrowBoth

4.6 arrowBoth 4.2 arrowBoth
Mathematics
2 answers:
Tema [17]2 years ago
5 0

Answer:

Match each percent amount to its correct value.

1. 15% of 30

\frac{15}{100}\times30= 4.5

2. 30% of 45

\frac{30}{100}\times45= 13.5

3. 60% of 7

\frac{60}{100}\times7= 4.2

4. 23% of 20

\frac{23}{100}\times20= 4.6

These are the correct matches to the given questions.

Over [174]2 years ago
3 0
15% of 30....turn ur percent to a decimal...." of " means multiply
0.15(30) = 4.5

30% of 45.....set it up the same way as before
0.30(45) = 13.5

60% of 7
0.60(7) = 4.2

23% of 20
0.23(20) = 4.6
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4) Sophie checks her bike for repairs every 9 days and Susan check hers every 12 days.
musickatia [10]

Answer:

20

Step-by-step explanation:

12+9=20

6 0
2 years ago
A florist gathered data about the weekly number of flower deliveries he made to homes and to businesses for several weeks. He us
shutvik [7]

Answer:

The number of deliveries that are predicted to be made to homes during a week with 50 deliveries to business is 87 deliveries

Step-by-step explanation:

The data categorization are;

The number of home deliveries = x

The number of delivery to businesses = y

The line of best fit is y = 0.555·x + 1.629

The number of deliveries that would be made to homes when 50 deliveries are made to businesses is found as follows;

We substitute y = 50 in the line of best fit to get;

50 = 0.555·x + 1.629 =

50 - 1.629 = 0.555·x

0.555·x = 48.371

x = 48.371/0.555= 87.155

Therefore, since we are dealing with deliveries, we approximate to the nearest whole number delivery which is 87 deliveries.

4 0
2 years ago
Tan20+tan40+tan60.......+tan180=?
Leno4ka [110]
The answer is 0. 
assuming by the dots that it includes tan80 +tan100 +tan120 +tan140 +tan160 in the equation. 
5 0
2 years ago
Paint costing $19 per gallon is to be mixed with thinner costing $3 per gallon. How much of each should be added to make 16 gall
Evgen [1.6K]
Let x represent gallons of $19 paint
let y represent gallons of $3 paint

first you make your 2 equations

x+y=16, y=16-x
(19x+3y) ÷ 16 = 14

then you use substitution

14 = (19x + 3(16-x) ) ÷16
224 = 19x + 48 - 3x
176 = 16x
11 = x, so there's 11 gallons of $19 paint
recall that x+y=16
11+y=16
5=y

so there are 11 gallons of $19 paint and 5 gallons of $3 paint


4 0
2 years ago
If terri were stretching 4 days per week, how many days per week would she need to stretch to increase her frequency variable? 1
Olin [163]

Answer:

3 days is the right answer!!!!! good luck

Step-by-step explanation:


4 0
2 years ago
Read 2 more answers
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