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Alchen [17]
2 years ago
6

Rachel is mailing packages. Each small package costs her $2.60 to send. Each large package costs her$4.10. How much will it cost

her to send 3 small packages and 4 large packages?
Mathematics
1 answer:
Tresset [83]2 years ago
3 0

Answer:

$7.8

Step-by-step explanation:

$2.6 x 3

= $7.8

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Sharon suspects that her brother's penny is unfair. She flips it 50 times and heads comes up 40 times. Based on these trials, th
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The correct answer is B. 4/5. Hope this helps! : )

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3 years ago
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Consider the two expressions 4b(b+1) and (2b+7)(2b-8). Compare their values if b=-3, b=-2, and if b=10. Is it true that for an v
frutty [35]

Answer:

FIRST EXPRESSION:

-  If b=-3, the value of 4b(b+1) is  24

-  If b=-2, the value of 4b(b+1) is  8

- If b=10, the value of 4b(b+1) is  440

 SECOND EXPRESSION:

-  If b=-3, the value of (2b+7)(2b-8)) is  -14

-  If b=-2, the value of (2b+7)(2b-8)) is  -36

- If b=10, the value of (2b+7)(2b-8)) is  324

Yes, for any value of "b" the value of the first expression is greater than the value of the second expression.

Step-by-step explanation:

Substitute the given values of "b" into each expression and evaluate.

- For the first expression 4b(b+1), you get:

If b=-3 → 4(-3)(-3+1)=24

If b=-2 → 4(-2)(-2+1)=8

 If b=10 → 4(10)(10+1)=440

 - For the second expression (2b+7)(2b-8)), you get:

If b=-3 → (2(-3)+7)(2(-3)-8)=-14

If b=-2 → (2(-2)+7)(2(-2)-8)=-36

 If b=10 → (2(10)+7)(2(10)-8)=324

You can observe that for any value of "b" the value of the first expression is greater than the value of the second expression.

7 0
3 years ago
Tyler wants to buy a new tub and that cost $312. He has already saved the plan to save $24 per week over the next few weeks whic
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Answer:

13 weeks

Step-by-step explanation:

Given that :

Cost of new tub = $312

Planned saving per week = $24

The number of weeks he'll have to save in other to be able to afford the tub can be obtained using the relation :

Number of weeks = cost of new tub / weekly saving

Number of weeks = $312 / $24

Number of weeks = 13 weeks

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3 years ago
What is the answer to 8x + 15 = 3m + 5
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Solving for x
x=3/8m-5/4,m



Solving for m
m=10/3+8/3x,x
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4 years ago
In ΔRST, r = 40 cm, s = 88 cm and t=70 cm. Find the measure of ∠S to the nearest degree.
sdas [7]

Answer:

102.835≈103

Step-by-step explanation:

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