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EastWind [94]
4 years ago
5

7w+w-15=17 What is w equal to?

Mathematics
2 answers:
monitta4 years ago
5 0
8w-15= 17
17+15=32
32/8
W= 4
Mars2501 [29]4 years ago
5 0
8w-15=7
8w=7+15
8w=22
w=11/4
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nikitadnepr [17]

Answer:

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3 years ago
Determine whether this pair of lines is parellel, perpendicular, or neither 6+2x=3y 3x+2y=9 Choose the correct answer below. A.
andriy [413]

Answer:

Option A. These two lines are perpendicular

Step-by-step explanation:

we know that

If two lines are parallel, then their slopes are equal

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of their slopes is equal to -1)

step 1

Convert the given equation A in slope intercept form

y=mx+b

where

m is the slope

b is the y-intercept

we have

6+2x=3y ----> equation A

Solve for y

That means----> isolate the variable y

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y=\frac{2}{3}x+2

so

m_A=\frac{2}{3}

step 2

Convert the given equation B in slope intercept form

y=mx+b

where

m is the slope

b is the y-intercept

we have

3x+2y=9 ----> equation B

Solve for y

That means----> isolate the variable y

subtract 3x both sides

2y=-3x+9

Divide by 2 both sides

y=-\frac{3}{2}x+4.6

so

m_B=-\frac{3}{2}

step 3

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3 0
4 years ago
Find the quotient.<br><br>5 over 7 divided by 7 over 10
raketka [301]

Answer:

\frac{5}{7}\div \frac{7}{10}=\frac{50}{49}

Step-by-step explanation:

\frac{5}{7}\div \frac{7}{10}

\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{a}{b}\div \frac{c}{d}=\frac{a}{b}\times \frac{d}{c}

=\frac{5}{7}\times \frac{10}{7}

\mathrm{Multiply\:fractions}:\quad \frac{a}{b}\times \frac{c}{d}=\frac{a\:\times \:c}{b\:\times \:d}

=\frac{5\times \:10}{7\times \:7}

\mathrm{Multiply\:the\:numbers:}\:5\times \:10=50

=\frac{50}{7\times \:7}

\mathrm{Multiply\:the\:numbers:}\:7\times \:7=49

=\frac{50}{49}

Therefore,

  • \frac{5}{7}\div \frac{7}{10}=\frac{50}{49}
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