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yarga [219]
3 years ago
11

Check all solutions to the equation. If there are no solutions, check 'None." x² = 64

Mathematics
1 answer:
agasfer [191]3 years ago
8 0
16 is the answer thank you
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Valleywood Golf course offers classes Monday through Saturday. The Saturday classes last 75 minutes. If they offered 705-minutes
Alisiya [41]

Answer:

Step-by-step explanation:

To make the problem easier to solve, we will set it up as the equation of the length of time of each class times the number of classes equals the total amount of minutes. However, since we don't know the number of classes, we'll symbolize our two unknowns with two variables.

75x + 45y = 705

(75x + 45y)/15 = 705/15

5x + 3y = 47

y = (47-5x)/3

It looks like we can't simplify the equation any more, so now it is a matter of trial and error. The minimum number of Saturday classes means the maximum number of weekday classes. We first will test for the maximum by assuming there are no Saturday classes, then will work our way up until x is an integer.

If x = 0

(47-5(0))/3 = 47/3 = 15.6666

If x = 1

(47-5(1))/3 = 42/3 = 14

This works. Therefore, the maximum number of weekday classes is 14, or choice b.

3 0
4 years ago
An ellipse is centered at (0,0). If the equation of the ellipse is 4x^2 + 18y^2 = 324, find the equation of the ellipse in stand
aksik [14]

Answer:

Its x^2 over 81 + y^2 over 18 = 1

major: (9,0) and (-9,0)

minor: (0,4.24) and (0,-4.24)

<h2>D ON EDGE 21' </h2>

Step-by-step explanation:

I took the mf test babes <3

6 0
3 years ago
Plz help with me math questions
Ludmilka [50]
Question five

D is correct

10x-35




Question six

These are true

4(4y+7)

2(8y+14)

8(2y+4) - 4

2y+7(2y+4)

good luck
3 0
3 years ago
Read 2 more answers
Anyone know what this is? |-3| =
gogolik [260]
3
absolute value takes the negative away
3 0
3 years ago
Read 2 more answers
Marco mark changes $3.98 for a pound of lean ground beef.how much a customer pay for 2.6 pound of lean ground beef?
melamori03 [73]

Answer:

$10.348

Step-by-step explanation:

(3.98)(2.6)= 10.348

8 0
3 years ago
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