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KatRina [158]
2 years ago
13

Karina is baking bread. She buys a small bag of flour that contains 2

="TexFormula1" title="\frac{2}{3}" alt="\frac{2}{3}" align="absmiddle" class="latex-formula">cups of flour. The recipe calls for 2 \frac{5}{7}cups of flour. Does she have enough flour to bake the bread? Explain how she can compare the fractions to know for sure.
Mathematics
2 answers:
umka2103 [35]2 years ago
7 0
Hdhsjshashhdhsjsjsjakaks
Alex787 [66]2 years ago
4 0

Answer:

to compare she must calculate...

1) ((2*3)+2)/3 she get 2.666

2) ((2*7)+5)/7 she get 2.714

by approximation the two are the same and she had enough flour.

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Two congruent 30-60-90 triangles are placed,as shown,so that they overlap partly and their hypotenuses coincide. If the hypotenu
Ede4ka [16]

Answer: The area common to both triangle is 31.77 sq. cm.

Step-by-step explanation:

Since we have given that

30-60-90 triangles are placed.

So, the ratio of sides would be

1:\sqrt{3}:2

Since Hypotenuse = 12 cm

So, it becomes,

2x=12\\\\x=\dfrac{12}{2}=6

So, Base would be

x=6\ cm

and Perpendicular would be

\sqrt{3}x=6\sqrt{3}

So, Area common to the both triangles would be

\dfrac{1}{2}\times base\times height\\\\=\dfrac{1}{2}\times 6\times 6\sqrt{3}\\\\=18\sqrt{3}\\\\=31.177

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4 0
3 years ago
I have to transfer this graph into a vertex form equation, but I'm not sure how to.​
tino4ka555 [31]

Answer: y = -2/3(x-3)^2 + 0 or y = -2/3(x-3)^2

Step-by-step explanation:

vertex form is y=a(x-h)^2 + k

here we can see the vertex is (3,0) which is (x,y). Or (h,k) in this case.

so to plug that into vertex form, we now have y=a(x-3)^2 + 0. or just y=a(x-3)^2.

now we need to find "a" which is the leading coefficient. to do that we can plug in the (6,-6) for the x and y parts of the above equation. so we'd have

-6=a(6-3)^2. which goes to -6=a(2)^2 which is -6=4a. divide each side by 4 to get a = -2/3. plug this in for a

the final equation would be y = -2/3(x-3)^2 + 0 or y = -2/3(x-3)^2

8 0
2 years ago
a tool set is on sale for $280. the original price of the tool set was $400. what percent of the original price is the sale pric
Marianna [84]

70%

Hope this helps! :)

______________

5 0
3 years ago
Read 2 more answers
Help? I dont get it
lara [203]

Answer:

its 6%

Step-by-step explanation:

0.60 and 0.6 is the same thing. 6% is bigger than the other two.

5 0
3 years ago
Read 2 more answers
24 pack of mountain dew for 9.99 or a pack if mountain dew for 5.99 find the unit number​
Nady [450]

Answer:

24 pack of mountain dew=9.99

1 pack of mountain dew=9.99/24=0.41625

6 0
2 years ago
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