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GarryVolchara [31]
3 years ago
13

3х + y = — 9 y = 5х +7

Mathematics
2 answers:
alex41 [277]3 years ago
8 0

Answer:

I just need a point im super sorry

Setler79 [48]3 years ago
3 0

Answer: y= -3

Step-by-step explanation:

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What is 2 3/8 as an improper fraction?<br><br> Give answers, please.
m_a_m_a [10]

To convert a mixed fraction into an improper fraction, we must follow some steps.

First, we take the whole part and multiply it by the denominator of the fraction.

In this case, we take 2 and multiply it by 8.

Now we add the numerator:

16+3=19

The denominator stays the same:

\frac{19}{8}

Hope it helps! :)

3 0
3 years ago
Hmmmmmmmmmmmmmmmmmmmmmmmmmmm
belka [17]

\dfrac{6}{7}cd=\dfrac{6}{7}\cdot c\cdot d\\\\Factors:\ \dfrac{6}{7},\ c,\ d\\\\6x^2+7xy+3+9\\\\Constans\ (without\ x\ and\ y):\ 3,\ 9\\\\2x-4y+8=(2x)+(-4y)+(8)\\\\Terms:\ 2x,\ -4y,\ 8

4 0
3 years ago
Emily needs enough Fabric for 3 1/2 hats. Since she has half a hat done. If each bag requires 1 2/7 ft of Fabric, how much fabri
kow [346]

first off let's convert the mixed fractions to improper fractions.

\stackrel{mixed}{3\frac{1}{2}}\implies \cfrac{3\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{7}{2}} ~\hfill \stackrel{mixed}{1\frac{2}{7}}\implies \cfrac{1\cdot 7+2}{7}\implies \stackrel{improper}{\cfrac{9}{7}}

she already did half a hat, so we can say   \cfrac{7}{2}-\cfrac{1}{2}\implies \cfrac{7-1}{2}\implies 3

so she only needs enough fabric to make 3 more full hats, we know each one uses 9/7 ft, so

3\cdot \cfrac{9}{7}\implies \cfrac{27}{7}\implies 3\frac{6}{7}

5 0
2 years ago
What is the area of an equilateral triangle with a side length of 14 inches?
lidiya [134]
The equation for a equilateral triangle is the side squared times root 3 divided by 4

6 0
3 years ago
Plz help!!!! (click on the pic)
goblinko [34]

Answer:

x^2+8x

Step-by-step explanation:

instructions included above :)

7 0
3 years ago
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