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jarptica [38.1K]
3 years ago
14

Giving brainliest & a thanks if you answer all of them

Mathematics
1 answer:
Kisachek [45]3 years ago
5 0

Answer:

2) Mia needs to buy 3 packages of noisemakers

3)Mia needs to buy 4 packages of hats

4)Mia will dpend a total of $66

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dsp73

Answer:

3÷1/6

3×6(if we have to convert it in multiply we have to reciprocal it)

18

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yes

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Which equation has the same soultions as x^2+6×-7=0
blagie [28]
x^2+6x-7=0 \\   a=1 \\ b= 6 \\ c=-7 \\ \\  \boxed{\boxed{\Delta=b^2-4ac}} \\ \\ \Delta=6^2-4*1*(-7) \\ \Delta=36-(-28) \\ \Delta=64 \\ \Delta\ \textgreater \ 0 \Rightarrow \text{we have 2 solutions :} X_1 \ and X_2 \\ \\ \boxed{X_1= \frac{-b- \sqrt{\Delta} }{2a} } \Rightarrow X_1= \frac{-6-8}{2}=-7 \\ \\ \boxed{X_2= \frac{-b+ \sqrt{\Delta} }{2a} } \Rightarrow X_2= \frac{-6+8}{2} =1
4 0
3 years ago
-7=7d-8 solve for the variable d
kvv77 [185]

-7 = 7d - 8

Add 8 to both sides.

1 = 7d

Divide both sides by 7.

<h3>d = 1/7</h3>
3 0
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Plz, Solveeeeeeeeeeeeeeeeeeee! I will give you all my points
Blababa [14]
1/2bh
1/2b4 = 18
b4= 36
b= 9 yards
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