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rodikova [14]
3 years ago
14

Please help with questions 7-10! I have to turn it in soon and I’m so lost!

Mathematics
1 answer:
Arisa [49]3 years ago
3 0

Answer:

7)c

8)d

9)b

10)a

Step-by-step explanation:

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What is the range of possible sizes for side x?
kondaur [170]

Answer:

1.3 < x < 6.7

Step-by-step explanation:

minimum

4.0 - 2.7 = 1.3

maximum

4.0 + 2.7 = 6.7

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1.3 < x < 6.7

4 0
3 years ago
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Write the equation y=(x-4)(x+2) in standard form
timofeeve [1]

Answer:

y = x² - 2x - 8

Step-by-step explanation:

Given

y = (x - 4)(x + 2)

Each term in the second factor is multiplied by each term in the first factor, that is

x(x + 2) - 4(x + 2) ← distribute parenthesis

= x² + 2x - 4x - 8 ← collect like terms

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3 years ago
Please help asap for math will give extra points on my next post
Arlecino [84]

Answer:

d

Step-by-step explanation:

distribute the right side of the equation to get:

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5 0
3 years ago
Which ordered pairs are a solution to the equation y = 2x - 3 select all that apply
Zigmanuir [339]

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3 years ago
Jeanna is making holiday cupcakes for her family. She typically makes 2 dozen red velvet and 3 dozen gingerbread spice cake. Sin
valentina_108 [34]

Answer:

15 dozens of cakes

Step-by-step explanation:

It is given that Jeanna is making cupcakes for her family and she normally makes 2 dozens of red velvet cakes and 3 dozens of gingerbread spice cakes. But as everybody is staying at home, Jeanna wants to increase the standard amount by 3 for enough cakes.

So,

2 dozens of velvet cakes, i.e.

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Increasing this amount by 3 times will give us 24 x 3 = 72 red velvet cakes.

Similarly,

3 dozens of gingerbread spice cakes, i.e.

3 x 12 = 36 gingerbread spice cakes

Increasing this amount by 3 times will give us 36 x 3 = 108 gingerbread spice cakes.

Therefore the total number of cakes is = 72 + 108

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We know 1 dozen = 12

Therefore dividing 180 cakes by 12, we get

$=\frac{180}{12}$

= 15 dozen cakes.

Therefore, now Jeanna will have to make 15 dozens of cupcakes for all.

5 0
3 years ago
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