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Elenna [48]
3 years ago
8

Please someone help me

Mathematics
1 answer:
Katena32 [7]3 years ago
8 0

Answer: B.) -4+3

Step-by-step explanation:

The model represents "-4+3" because the blue arrow (top) stops at 3 which is a positive and the red arrow (bottom) stops at -4 which is a negative.

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PLEASE HELP! I HAVE TWO QUESTIONS AND WILL GIVE 100PTS AND BRAINLIEST IF CORRECT!
Volgvan

Answer:

1) $283.50

2) 65.21 meters.

Step-by-step explanation:

Part 1)

We know that a spool of ribbon holds 6.75 meters.

A craft club buys 21 spools.

So, the total length of ribbon bought is:

T=21(6.75)=141.75\text{ meters}

Each meter costs $2. So, the total cost will be:

141.75(2)=\$ 283.50

Part 2)

A spool holds 6.75 meters.

We bought 21 of them, so that total length we have is 141.75 meters.

The club used 76.54 meters.

So, the amount of ribbon that is left is represented by:

141.75-76.54

Subtract:

=65.21\text{ meters}

So, 65.21 meters of ribbon will be left.

7 0
3 years ago
Read 2 more answers
30 is 60% of which of the following numbers?
zhenek [66]

Answer:

50

Step-by-step explanation:

30 divided by 0.6 equals 50

hope i helped

4 0
3 years ago
Read 2 more answers
In old-growth forests of douglas fir, the spotted owl dines mainly on flying squirrels. If we left When the initial population i
Delicious77 [7]

Answer: There are 667 owls for every 1000 squirrels.

Step-by-step explanation:

Since we have given that

Number of owls = 30

Number of squirrels = 45

If the number of owls and squirrels will continue to increase.

If there are 1000 squirrels, then the number of owls would be

\dfrac{30}{45}=\dfrac{x}{1000}\\\\x=\dfrac{30\times 1000}{45}\\\\x=666.67\\\\x\approx 667

Hence, there are 667 owls for every 1000 squirrels.

5 0
3 years ago
Ometry
dlinn [17]

Step-by-step explanation:

Sorry I don't know the answeer

5 0
3 years ago
Bethany is paid time-and-a-half for each hour she works above her normal 40 hours each week. Last week, Bethany worked 44 hours
scoray [572]

Answer : $18.75

Bethany is paid time-and-a-half for each hour she works above her normal 40 hours each week. Last week, Bethany worked 44 hours and her gross pay was $575.

Total hours worked = 44 hours

Normal 40 hours + 4 hours extra

Let x be the amount earned for 1 hour for regular 40 hours

1.5x be the amount earned for extra hours

40 (amount earned for normal hours ) + 4(amount for extra hours ) = gross pay

40x + 4(1.5x) = 575

40x + 6x = 575

46 x = 575

Now divide both sides by 46

x = 12.5

1.5x is the amount earned for extra hours

1.5 * 12.5 = 18.75

Bethany earn for each hour of overtime she worked is $18.75


8 0
3 years ago
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