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Sophie [7]
3 years ago
8

HELP PLS I GIVE BRAINEST!!!!

Mathematics
2 answers:
horrorfan [7]3 years ago
8 0

Answer:

D. 40%

Step-by-step explanation:

15/6=40% AKA 4/10

Bas_tet [7]3 years ago
4 0

Answer: 0.4

Step-by-step explanation:

6%15

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If Sophie traveled 25 feet in 3 seconds, how fast was she traveling in miles per minute(5280 feet in a mile)
Oksanka [162]

Answer:

0.095 miles per minute

Step-by-step explanation:

If Sophie traveled 25 feet in 3 seconds, then in 1 second she will travel

25/3 = 8.333 ft

But in 60 seconds make 1 minute, so in 1 minute, she will travel

(25/3) × 60 = 25 ×20

= 500 ft

Therefore in miles/minute, she was going

500/5280 = 0.095 miles per minute

3 0
4 years ago
Find the center, vertices, and foci of the ellipse with equation x^2/100+y^2/64 = 1.
Amiraneli [1.4K]
X^2/a^2+y^2/b^2=1

a^2=100 a=10
b^2=64 b=8

c^2=a^2-b^2
c=6
7 0
3 years ago
Which of the terms cannot be combined with the others? 3a a -2a 5b
dusya [7]

Answer:

5b

Step-by-step explanation:

all the a's can be combined

4 0
2 years ago
Find Values of X and Y for No. 19
Crazy boy [7]
So you need to find y in terms of x. But later, since the 12x and -12x cancel each other out. X can be any real number. And y. Depends on what real number x is.

4 0
4 years ago
find the value of k for which the following system of equations has a unique solutions 1 . kx +2y= 5 , 3x+y=1​
lana66690 [7]

Answer:

If you choose any value for k other than 6, that will be give you the one solution.

If k=6, you have no solutions because the lines will be parallel.

Step-by-step explanation:

We are going to put each of this in y=mx+b where m is the slope and b is the y-intercept.

kx+2y=5

Subtract kx on both sides:

    2y=-kx+5

Divide both sides by 2:

     y=(-k/2)x+(5/2)

The slope is -k/2 and the y-intercept is 5/2

3x+y=1

Subtract 3x on both sides:

     y=-3x+1

The slope is -3 and the y-intercept is 1.

We want the system to have one solution so we want the slopes to be difference.

So we don't want (-k/2)=(-3).

Multiply both sides by -2: k=6.

We won't want k to be 6.

3 0
3 years ago
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