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lyudmila [28]
3 years ago
10

Please help quickly !

Mathematics
2 answers:
babymother [125]3 years ago
8 0

Answer:

A = 2.25

Step-by-step explanation:

If you divide 2a = 4.5 by 2 on both sides you will get a = 2.25

Dominik [7]3 years ago
5 0

Answer:

a=2.25

Step-by-step explanation:

4.5=2a

a=4.5/2

a=2.25

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before the use of calculators, mathematicians developed and used detailed tables of values of the sine, cosine and tangent ratio
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Answer:

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3 0
3 years ago
Select the multiplication sentence that applies the commutative property of multiplication to the example.
Travka [436]

we are given

6 × 8 = 48

we know that

commutative property of multiplication:

a \times b =b \times a

now, we will verify each options

option-A:

we have

6 × 8 = 48

now, we can find it's commutative

so, we get

8 × 6 = 48

so, this is TRUE

option-B:

we have

6 × 8 = 48

now, we can find it's commutative

so, we get

8 × 6 = 48

so, this is FALSE

option-C:

we have

6 × 8 = 48

now, we can find it's commutative

so, we get

8 × 6 = 48

so, this is FALSE



4 0
3 years ago
Kate can mow lawns at a constant rate of 4/5 lawns per hour. How many lawns can Kate mow in 20 hours?
weqwewe [10]

Answer:

16 lawns

Step-by-step explanation:

set up a proportion:

(4/5 ÷ 1) = (x÷20)

cross-multiply:

5x = 80

x = 16

8 0
3 years ago
Ashley is making $500 a week at her job. She receives a 20% pay raise.
tamaranim1 [39]

Answer:

$100 increase

Step-by-step explanation:

500 x 20%

= $100 increase


5 0
3 years ago
Read 2 more answers
Write the equation of a line that goes through point (0, −8) and has a slope of 0.
liberstina [14]

Answer: y = -8

Step-by-step explanation:

Lines that have a slope of Zero means that the line is horizontal and y is always the same. So your equation is y = -8

3 0
2 years ago
Read 2 more answers
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