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2 years ago

The hourly wage of workers was raised from $11.50 to 13.67 in 7 years

Mathematics

1 answer:

neonofarm [45]2 years ago

6 0

Answer:

$13.67 - $11.50

So the raise over 7 years was $2.17

So to find the annual raise in the wage:

$2.17 / 7 = 0.31

His wage was raised <u>.31 every year</u>.

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The strength of a cable is proportional to the square of its diameter. If a 2-cm cable will support 800kg, how much will a 3-cm

xz_007 [3.2K]

Strength [is proportional to] d^2
strength1/(d1)^2 = strength2/(d2)^2
800kg/(2cm)^2 = strength2/(3cm)^2
strength2 = 800 kg * (3 cm)^2/(2 cm)^2
strength2 = 800 kg * 3^2/2^2
strength2 = 800 kg * 9/4
strength2 = 1800 kg

3 0

3 years ago

PLEASE HELP<br><br> Graph the ordered pairs for y = 3x + 3 using r = {-2, 1, 2}.

Fed [463]

9514 1404 393

Answer:

(-2, -3), (1, 6), (2, 9) are plotted in the attached graph

Step-by-step explanation:

For x = -2, y = 3(-2) +3 = -3. The ordered pair is (-2, -3).

For x = 1, y = 3(1) +3 = 6. The ordered pair is (1, 6).

For x = 2, y = 3(2) +3 = 9. The ordered pair is (2, 9).

The graph is attached.

5 0

2 years ago

Read 2 more answers

The sum of this 4 digit even number's thousands and ones digit is 10

Vladimir [108]

Even
means ends with 0,2,4,6,8

adds to 10
the last number cannot be 0 because the first cannot be add to 10

it can be
8xx2
6xx4
4xx6
8xx2

where x is any whole number you want

4 0

3 years ago

5a - 5b is it monomial binomial trinomial

svetoff [14.1K]

Binomial

A monomial is just one term. A binomial is two monomials added or subtracted together. A trinomial is three monomials added or subtracted together.

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3 years ago

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What is the solution for this set of equation (2r-3)-4=37

Alex777 [14]

Answer:

(2r-3)-4=37

or,(2r-3)=37+4

or,2r-3=41

or,2r=41+3

or,2r=44

or, r= 44/2

hence , r= 22

5 0

2 years ago