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Tomtit [17]
3 years ago
7

What is the value of the expression below when y = 4?3y2 + y + 8​

Mathematics
1 answer:
Free_Kalibri [48]3 years ago
5 0

Answer:

3y²+y+8

=3(4)²+4+8

=3(16)+4+8

=48+4+8

=60

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Help please! I do not exactly understand how to do this. Thanks!
Radda [10]

X and Y are supplementary, that means X + Y = 180.

But we have, X  = Y +24, then

X + Y = Y + 24 + Y = 2Y + 24 = 180

Then

2Y = 156

Y = 78

Then X = 78 + 24 = 102.

6 0
3 years ago
Which of the following equations is equivalent to 3(2p + 4) - (3p - 4) = 43?
emmainna [20.7K]
Answer: (use distributive property then add the like terms)
3(2p + 4) - (3p - 4) = 43
6p + 12 - 3p - 4 = 43
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6 0
3 years ago
Sherry was in charge of distributing 25 food items that were donated to the local food pantry. on moday she distributed 8 items
creativ13 [48]

Answer:

Step-by-step explanation:

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Then you know 5 is 1/5 of 25

You know 5+5+5+5=20

ANSWER - 4/5

3 0
3 years ago
20 What decimal does this model represent? Explain.
umka2103 [35]

Answer:

The model represents the decimal 73.

Step-by-step explanation:

The model is 10x10. You must count the blue blocks. The number of blue blocks is 73, therefore it represents the decimal 73. (Hope this helped!)

8 0
3 years ago
A block of glass has a mass of 22.5g and a volume of 9cm cubed.
melisa1 [442]

Answer:

density, mass of a unit volume of a material substance. The formula for density is d = M/V, where d is density, M is mass, and V is volume. Density is commonly expressed in units of grams per cubic centimetre.

Step-by-step explanation:

3 0
2 years ago
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