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Andrews [41]
3 years ago
5

Write an equation of a line perpendicular to the line ax + by = c that passes through the point (-1,2).

Mathematics
1 answer:
baherus [9]3 years ago
3 0

Answer:

Step-by-step explanation:

line perpendicular to ax+by=c is

bx-ay=k, where k is a constant.

if it passes through (-1,2) then

b(-1)-a(2)=k

or k=b-2a

so reqd. eq . is bx-ay=b-2a

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Find two numbers that have a sum of 77.95 and a difference of 30.61
Alina [70]
<span>If you would like to know the values of these two numbers, you can calculate this using the following steps:<span>

a + b = 77.95
a - b = </span></span>30.61 ... a = 30.61 + b
________<span>_______________
a + b = 77.95
(30.61 + b) + b = 77.95
30.61 + 2 * b = 77.95
2 * b = 77.95 - 30.61
2 * b = 47.34    /2
b = </span>47.34<span> / 2
b = 23.67

a = </span>30.61 + b = 30.61 + 23.67<span> = 54.28

Result: The numbers are </span>23.67<span> and 54.28.</span>
3 0
4 years ago
100 points! PLEASE ANSWER!
german

Answer:

x + y = 36 (1)

7x + 4y = 216 (2)

Step-by-step explanation:

Quanrity of Holiday blend = 36 pounds

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Cost of chocolate chips = $7.00 per pound

Cost of pretzels = $4.00 per pound

Let

Pounds of chocolate chips = x

Pounds of pretzels = y

x + y = 36 (1)

7x + 4y = 36 × $6.00

7x + 4y = 216 (2)

The system of equation is

x + y = 36 (1)

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How do i graph a fraction
Liula [17]
For example, if your fraction was 1 1/2, you would graph it on the x axis halfway between 1 and 2
7 0
4 years ago
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padilas [110]

Answer:

It would take 10 weeks for her cat to lose 5 pounds.

Step-by-step explanation:

4 0
3 years ago
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What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm
algol [13]

Answer:

<h2>V = 420 mm³</h2>

Step-by-step explanation:

The formula of a volume of a rectangular prism:

V=lwh

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w - width

h - height

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Substitute:

V=(10.4)(5)(8)=420\ mm^3

8 0
4 years ago
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