2 years ago

Write and equation for the trend line shown

Mathematics

1 answer:

natita [175]2 years ago

4 0

segegeuryryyututtetutuuipyuyibysttuututuututututueuttutupexjuyjjplanatio

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Which unit rate is the lowest price per ounce? Choice A: 6 ounces of raisins for $2.98 Choice B: 13 ounces of raisins for $7.18

nikitadnepr [17]

1.49/6=0.248 cents
3.59/13=0.276 cents

6 0

3 years ago

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Julio and David were in Target and decided to check out the clearance section. They found pencils and erasers that were on sale

Sati [7]

Answer:

Cost of one pencil: $\$0.07$

Cost of one eraser: $\$0.03$

Step-by-step explanation:

Let be "p" the cost in dollars of one pencil and "e" the cost in dollars of one eraser.

Based on the information given in the exercise, you can set up the following system of equations:

$\left \{ {{4p+3e=0.37} \atop {3p+4e=0.33 }} \right.$

You can use the Elimination Method to solve the system of equations.

Multiply the first equation by -3 ad the second one by 4. Then add the equations and solve for "e":

{ $\left \{ {{-12p-9e=-1.11} \atop {12p+16e=1.32}} \right.\\..........................\\7e=0.21\\\\e=0.03$

Substitute the value of "e" into any original equation and solve for "p":

$4p+3(0.03)=0.37\\\\p=\frac{0.28}{4}\\\\p=0.07$

5 0

2 years ago

write and solve the inequality: the quotient of a number and -3 is greater than the quotient of 5 and 6

Mrrafil [7]

X/-3 > 5/6
That's the inequality

7 0

3 years ago

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1.In a class of 45 pupils ,21play chess and 23 play cards and 5play both games

Mumz [18]

Step-by-step explanation:

(a)

ii.

21 - 5 = 16 play only chess.

iii.

23 - 5 = 18 play only cards

5 play both.

that is 16+18+5 = 39 that play at least one of these games.

so, 45 - 39 = 6 don't play any of these games.

(b)

we have 16+18 = 34 pupils out of 45 that play exactly one game.

so the probabilty to pick one of them is as usual

desired cases / total cases = 34/45 =

= 0.755555555... ≈ 0.76

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2 years ago

The Jayden family eats at a restaurant that is having a 15% discount promotion. Their meal costs $78.85 before the discount, and

erik [133]

Answer:

$80.22

Step-by-step explanation:

4 0

2 years ago

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