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Nady [450]
3 years ago
15

Find the x - intercept and y -intercept of the line. 7x+3y=-21​

Mathematics
1 answer:
k0ka [10]3 years ago
4 0

Answer:

X-intercept is (-3,0)

Y-intercept is (0,-7)

Step-by-step explanation:

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Whats 2feet times 15 inches and how do you get the answer?
kirza4 [7]
2 feet = 24 inches. 24 times 15 is 360 inches, or 30 feet.
3 meters = 300 centimeters. 300 times 32 is 9600 centimeters, or 96 feet.
 I think you got the choices mixed up a bit, the one with inches is 360, and the one with centimeters is 9600.
6 0
3 years ago
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8. In the last month, your family has gone to
Stells [14]

Answer:

10 points thanks always be successful in your life

Step-by-step explanation:

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4 0
3 years ago
Find the equation of the line passing through (1,4) and (-2,-1).
wel

Answer:

y=5/3x+7/3

Step-by-step explanation:

Here are the points: (1,4) and (-2, -1)

let's first find the slope, which is with the equation m=(y2-y1)/(x2-x1) (m is the slope)

label the points:

x1=1

y1=4

x2=-2

y2=-1

now subsitute into the equation

m=(-1-4)/(-2-1)

m=-5/-3

m=5/3

the slope of the line 5/3

Here's the equation so far:

y=5/3x+b (b is a place holder)

we can substitute either one of the points into the equation so far to find b, because the line will pass through both of them>

let's use (1,4) as an example

4=5/3(1)+b

4=5/3+b

subtract 5/3 from both sides

7/3=b

Now, put it all together:

y=5/3x+7/3

Hope this helps!

8 0
3 years ago
The perimeter of a rectangle is 90 centimeters. The length is 27 centimeters.
Kisachek [45]

Answer:

width=18cm

Step-by-step explanation:

perimeter= 2(l+b)

90=2(27+b)

90/2=27+b

45-27=b

b=18cm

8 0
3 years ago
An engineering scale model shows a church that is 2 inches tall. if the scale is 1 inch = 256 feet, how tall is the actual churc
SVETLANKA909090 [29]

Answer:

Actual height of church = 512 feet

Step-by-step explanation:

Given:

Scale model;

1 inch = 256 feet

Height of church (Scale model) = 2 inches

Find:

Actual height of church

Computation:

Actual height of church = Height of church (Scale model) x scale length

Actual height of church = 2 inches x 256 feet/inches

Actual height of church = 2 x 256 feet

Actual height of church = 512 feet

8 0
3 years ago
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