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grandymaker [24]
3 years ago
10

Rewrite the following equation in standard form. y = -7x - 1

Mathematics
2 answers:
Lady bird [3.3K]3 years ago
5 0

Standard form is written Ax + By = C where A, B, and C are all integers.

In other words, no fractions.

Also, the A or the coefficient of the x term must be positive.

The only thing we need to do is add 7x to both sides to get 7x + y = -1.

So 7x + y = -1 is our answer.

vlada-n [284]3 years ago
3 0

Answer: 7x+y=-1

Step-by-step explanation:

Add 7x to both sides

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Sally has 16 marbles in her collection. John has only 7 marbles. Sally gives John 8 of her marbles. How much marbles does John h
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5 0
3 years ago
The hypotenuse of a 45 -45 -90 triangle measures 128 cm what is the length of one leg of the triangle
erma4kov [3.2K]
This is an isosceles triangle. The definition of an isosceles triangle is a triangle with at least two congruent sides and angles. If 2 angles on a triangle are congruent (in this case 45 and 45 are two congruent angles) then triangle is isosceles. Therefore the two sides of triangle will be congruent. We know that the triangle is a right triangle because it has a hypotenuse. If a triangle has a hypotenuse then it's a right triangle. We can apply the Pythagorean theorem: a^2 + b^2 = c^2
A and B are the legs and C is the hypotenuse.
We can plug C in the equation:
a^2 + b^2 = 128
What do we know about the legs of the isosceles triangle? They are congruent so a and b have to be equal. From here it's simply guess and check. Will 8 work?
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4 0
3 years ago
Read 2 more answers
PLEASE HELP MEEEEeeee
skelet666 [1.2K]

Answer:

D. 2^7

Step-by-step explanation:

2^3 x 2^4 would equal 128. So, if you do the math for all of them:

A isn't correct because it equals 16.

B isn't correct because it equals 4096.

C isn't correct because it equals 16384.

D is correct because 2^7 is 128.

Hope this helped!

7 0
2 years ago
Read 2 more answers
I’m not good with geometry please help
jasenka [17]

Answer:

The value of t is 41

Step-by-step explanation:

<em>The figure is 5 sided polygon.</em>

The sum of interior angles of 'n' sided polygon is given by,

= 180(n-2) degrees

here, n=5,

thus, 180(5-2) = 180(3) = 540 degrees

All the given angles have linear pair in the polygon.

(180-2t)+(180-3t)+(180-42)+(180-52)+(180-61) = 540

5t = 205

Thus, t = 41

8 0
3 years ago
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