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Valentin [98]
3 years ago
6

Can someone help me with this

Mathematics
1 answer:
Snezhnost [94]3 years ago
6 0
All of them specifically?
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21x+9 =<br> Help please
matrenka [14]

Answer:

3

Step-by-step explanation:

cross multiply

4 0
3 years ago
You are given the equation \sqrt{76+n } and \sqrt{2n + 26}. What is the smallest value of n that will make each number rational?
Diano4ka-milaya [45]

Answer:

A proof that square root of 2 is irrational. ... An equation x² = a, and the principal square root ... The number under the radical sign is called the radicand. ... the given square numbers, each product of square numbers is equal to what square ... are relatively prime -- and it will be impossible to divide n· n into m· m and get 2.

Step-by-step explanation:

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3 years ago
a rectangle is transformed according to the rule r0, 90º. the image of the rectangle has vertices located at r'(–4, 4), s'(–4, 1
AleksandrR [38]
Graph images undergo transformations, one of the types of transformations are rotations.
rotation is done when each point of the image rotates 90° around a point in the counterclockwise manner. 
when rotation is done, (x,y) -> (-y,x)
therefore when taking points from image to original then the reverse is done ;
(-y,x) --> (x,y)
the coordinates of  image point q' is (-3,4)
before rotation then the coordinates are (4,3)
answer is (4,3)
4 0
3 years ago
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A football team lost 5 yards on each of 3 plays. Explain how you could use a number line to find the team's change in field posi
taurus [48]

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5- 10- 15-

3 0
3 years ago
A pancake recipe calls for one egg for every 4 cups of flour. How many cups of
Marat540 [252]

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20

Step-by-step explanation:

4 0
2 years ago
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