2 years ago

40 fl oz = how many cups and fl oz left over

Mathematics

1 answer:

Nata [24]2 years ago

8 0

You get 5 cups exactly

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42 is 30% of what number??? Add work plz

romanna [79]

X - the number

$30\% x =42 \\
\frac{30}{100}x=42 \\
\frac{3}{10}x=42 \\
x=42 \times \frac{10}{3} \\
x=\frac{420}{3} \\
x=140$

42 is 30% of 140.

7 0

3 years ago

How do I answer this?

Agata [3.3K]

Answer:

2k³ is the GCF.

Step-by-step explanation:

GCF of $10k^{3} ,6k^{3}$

Finding the factors:

=10k³[Factoring 10k³]

=2×5×k×k×k

=6k³[Factoring 6k³]

=2×3×k×k×k

Common factors in 10k³ and 6k³.

=2×k³

=2k³

8 0

2 years ago

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a dvd costs twice as much as a music cd. Jack buys 2 dvds and 2 cds and spends $45. Determine how much one cd costs. in dollars

VMariaS [17]

$dvd=d \\ cd=c \\ \\ \left \{ {{d=2c} \atop {2d+2c=45}} \right. \\ \\ 2(2c)+2c=45 \\ 4c+2c=45 \\ 6c=45 \\ c=7.5 \\ \\ d=2(7.5) \\ d=15$

One CD costs $7.50.
One DVD costs $15.00.

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3 years ago

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If you ever swam in a pool and your eyes began to sting and turn red, you felt the effects of an incorrect pH level. pH measures

Alinara [238K]

Hello,

Please, see the attached files.

Thanks.

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2 years ago

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3. Points Q, R, and S are the midpoints of the sides of triangle LMN. LM = 16, QR = 6, and QS = 10. Find the length of LN. The d

ss7ja [257]

Qr=1/2 mn = ms
mn=2 ms=12
ln^2=lm^2+mn^2 using phythagoras rule
ln^2=400
ln=20

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3 years ago