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Akimi4 [234]
3 years ago
13

Which expression is 5y - 9x + 21y equivalent to after being simplified?

Mathematics
1 answer:
Nadya [2.5K]3 years ago
7 0

Answer:

26y-9x

Step-by-step explanation:

5y-9x+21y   Add 21y and 5y.

Hope this helps, have a great day:)

You might be interested in
Triangle QRS is translated 7 units right, then rotated 90 degrees clockwise about the origin. The vertices of triangle Q"R"S" ar
Goryan [66]

Answer:

Q (-6.6), R (-6.0), S (0.0)

Step-by-step explanation:

In the exercise we are asked to find the original coordinates with the given transforms, which means that we must apply the inverse of the indicated transformations.

Original coordinates: Q "(6, -1), R" (0, -1) and S "(0, -7)

When turning 90 ° counterclockwise, since we want the opposite, the following change occurs (the axes and the sign are inverted):

Q '(1.6), R' (1.0), S '(7.0)

Now we have to move to the left by 7 units, because it is the opposite of the right, only on the x axis, 7 is subtracted

Q (-6.6), R (-6.0), S (0.0)

7 0
4 years ago
Which of the ordered pairs shown represents another point that lies on the graph of this line and is a solution of the equation
BlackZzzverrR [31]

Answer:

(6,3)

Step-by-step explanation:

4 0
3 years ago
PLEASE ANSWER ASAP FOR BRAINLEST SUPER EASY QUESTION!!!!!!!!!!!!!!!!!!
kirill115 [55]

Answer:

B. 72 cm by 108 cm

Step-by-step explanation:

We know scale is 4 cm:30 ft. So find how many time 30 ft goes into each measurement of playground and then multiply that by 4...

540/30=18

18×4=72

810/30=27

27x4=108

6 0
3 years ago
Find a pattern for each sequence 0,1, 0.01, 0.001,.....
Ghella [55]

Answer:

Divided by 10 every time

Step-by-step explanation:

/10 is the pattern

8 0
2 years ago
A health club sold ten memberships in one week for total of $3000. If male memberships cost $300 and female memberships cost $30
Ket [755]

Answer:

Step-by-step explanation:

The reason you haven't gotten an answer to this is because in its current formatting, there is no answer. Here's what I mean:

The first equation is going to be concerning the NUMBER of memberships sold, where m is male and f is female. The total number of memberships was 10:

m + f = 10

Now for the money equation. The total amount of money made from that number of memberships was 3000, where male memberships cost $300 and so do the female memberships, giving us an equation of

300m + 300f = 3000

Go back to the first equation and solve for either m or f. I solved for m in terms of f:

m = 10 - f and sub that into the second equation for m to get:

300(10 - f) + 300f = 3000 and

3000 - 300f + 300f = 3000. Here is where you find the problem. The -300f and the 300f cancel each other out, leaving you with the fact that

3000 = 3000 which it does, but it doesn't give us any viable answer.

I would have to say that since we can't do math on this, that the most credible answer you'll find is that the same number of male and female memberships were sold because 5 male memberships cost $1500 (5 memberships at $300 a piece is $1500) and 5 female memberships also cost $1500.

1500 + 1500 = 3000

6 0
3 years ago
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