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monitta
3 years ago
14

Find the equation of a line that has a slope of –4,

Mathematics
1 answer:
Studentka2010 [4]3 years ago
3 0

Answer:

D

Step-by-step explanation:

Finding y int by substituting the points given (say y int is x)

(-9) = 4(-4) + x

(-9) = -16 + x

x = 7

With the y int, you can now write the equation

y = -4x + 7

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I need help on number two
SVEN [57.7K]

Answer:

2 y = 100

10 y = 20

20 y = 10

Step-by-step explanation:

To find the answer divide Y by X since y is 200 in the first and x is 1 divide 200 by the second one and you will find you answer.

8 0
3 years ago
Which equation is correct using "is not equal to'' (≠)?
romanna [79]

65/5=13-3=10       27-17=10

72/6=12-1=11         54-43=11

88/8=11-2=9         27-18=9

90/3=30-8=22    34-10=24

So, that makes "90 ÷ 3 − 8 _____ 34 − 10" not equal.

Hope this helps! Stay Safe!

5 0
3 years ago
Can someone help and give me a step by step explanation please?!
vitfil [10]

9514 1404 393

Answer:

  • ∠QSR = 78°
  • ∠SQR = 51°

Step-by-step explanation:

The measure of an inscribed angle (QTR) is half the measure of the arc it intercepts. The measure of an arc is the same as the measure of the central angle it intercepts. So, we have ...

  ∠QSR = 2×∠QTR

  ∠QSR = 2×39°

  ∠QSR = 78°

__

Sides SQ and SR are radii of circle S, so are the same length. That means triangle QRS is an isosceles triangle and the base angles SQR and SRQ are congruent. The sum of angles in a triangle is 180°, so we have ...

  ∠QSR + 2(∠SQR) = 180°

  78° + 2(∠SQR) = 180° . . . . fill in the value we know

  2(∠SQR) = 102° . . . . . . . . . subtract 78°

  ∠SQR = 51° . . . . . . . . . . . . .divide by 2

7 0
2 years ago
55h+40=d<br><br> H= 6 <br><br><br> A-$307<br> B-$330<br> C-$290<br> D-$101
IgorLugansk [536]

Answer:

55 times 6 is 330 + 40 would be 370 so i dont see how it could be D -101

4 0
2 years ago
Read 2 more answers
(05.02)A doghouse is to be built in the shape of a right trapezoid, as shown below. What is the area of the doghouse?
LenaWriter [7]

Answer:

32.5 square feet

Step-by-step explanation:

The formula for a trapezoid is a= 1/2*(b1+b2)*h. B1 and b2 would represent the two bases given and therefore doesn't matter what order you put them in. Plug in all values into the equation and you'll get 1/2*(5+8)*5 then 1/2*(13)*5. Next simplify to get 6.5*5 which then equates to 32.5.

5 0
3 years ago
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