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Katena32 [7]
3 years ago
11

Solve ab+7=19 for b

Mathematics
1 answer:
Dima020 [189]3 years ago
5 0

Answer:

b=a*12

Step-by-step explanation:

ab+7=19

(subtract the 7 from the other side)

ab=12

(put b by itself)

a=12/b

b=a*12

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What is another way to wright the same equation, for example 1/4x-5
Finger [1]
Answer:
Y= -5+ 1/4x
There are other ways to write too
6 0
3 years ago
Each quilt requires 3 7/8 yards of fabric how many yards will you need for 1, 2, 3,4 quilts.
ICE Princess25 [194]

Step-by-step explanation:

Given,

No. of yards required for each quit = 3 7/8

can also be written as = 59/8

so,

yards,

required for 2 quilts = 2 × 59/8 = 14 3/4

required for 3 quilts = 3 × 59/8 = 23 4/8

required for 4 quilts = 4 × 59/8 = 8 1/2

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7 0
3 years ago
Which lines are perpendicular to 7x-3y=18
inna [77]
The answer is going to be   3y=7x-15. hope that helped
8 0
4 years ago
The coordinates below represent two linear equations. How many solutions does this system of equations have? Line 1 x y –3 6 3 4
Maksim231197 [3]

Answer

A. Many solution

Step by step explanation

Points on line 1 : (-3, 6) and (3, 4)

Points on line 2: (-6, 7) and  (9, 2)

Now let's find the slope of the line 1

Slope formula = \frac{y2 - y1}{x2 - x1}

Slope of line 1 = (4 - 6) / (3 - (-3)

= -2/(3 + 3)

= -2/6

Slope of line 1 = -1/3

The equation of the line y - y 1 = m(x - x1)

y - 6 = -1/3 (x - (-3))

y -6 = -1/3 (x + 3)

y -6 = -1/3x - 1

y = -1/3x + 5

Slope of line 2 = (2 - 7) / (9 -(-6))

= -5/(9 + 6)

= -5/15

Slope of line 2 = -1/3

The equation of line

y - y1 = m(x - x1)

y - 7 = -1/3(x - (-6))

y - 7 = -1/3(x + 6)

y -7 = -1/3 x - 2

y = -1/3 x + 5

The line 1 and line 2 have the same slopes and the same y-intercept. Both are the same equation. Therefore, there will be many solution.

Answer : A. 0 Solution

Thank you.

7 0
4 years ago
Find the range of the function f(x) = (x + 5)2 + 8
Eduardwww [97]
X^2+10x+33 is the f(x) in this data..
7 0
3 years ago
Read 2 more answers
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