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Virty [35]
3 years ago
13

Y'all- this question make's 0 sense to my big brain help me out

Mathematics
1 answer:
gregori [183]3 years ago
3 0

Answer:

D. for the first one, A. for the second (not certain)

Step-by-step explanation:

1. 36/2 (two books every visit) = 18, multiplied by 3 because that's how many often he does to the library (every 3 weeks)

2. 13/2 = w/5 because for every 13 cups of water, there is two cups of cleaner, so for w (unknown amount of water) there would be 5 cups of concontrated cleaner.

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Two fractions with the same denominator that have numerators 5 and 7. What could the denominator be if the sum is less than 1? E
Semmy [17]
<span>5/13 + 7/13 = 12/13 < 1
5/12 + 7/12 = 12/12 = 1
5/11 + 7/11 = 12/11 > 1

Hope this helps.</span>
5 0
3 years ago
(3,1) and (w,9); slope = -8/3<br> W= ?
alexandr1967 [171]

Answer:

w=0

Step-by-step explanation:

We know a point (3,1) and the slope (-8/3), so we can use point-slope form, which is y-y1=m(x-x1)

For reference, y1 is the y in the point, m is the slope, and x1 is the x in the point

So we subsitute it

y-1=-8/3(x-3)

do distributive prop.

y-1=-8/3x+8

add 1 to both sides

y=-8/3x+9

This is the equation of the line.

Now to find w, which is the x value.

The point will pass through line, so we can susbtitute the point into the equation.

9=-8/3x+9

subtract 9 from both sides

0=-8/3x

multiply by -3/8 on both sides (the reciprocal of -8/3), we need to isolate x

0=x

x=w

therefore, w=0

Hope this helps!

5 0
3 years ago
Helpp <br> find the slope <br> 1. -1/2<br> 2. -2<br> 3. 1/2<br> 4. 2
makkiz [27]

Answer:

1. -1/2 is the answer

Step-by-step explanation:

7 0
3 years ago
What are the prime fractorization of 240?
frozen [14]

Answer:

The prime factorization of 240, with exponents, is 24 × 3 × 5.

8 0
3 years ago
Consider the spiral given by c(t) = (e2t cos(2t), e2t sin(2t)). Show that the angle between c and c' is constant. c'(t) = _____L
Tcecarenko [31]

Answer:

angle is 45° which is constant

Step-by-step explanation:

We use formula for two vectors <u>a </u>and <u>b</u>    to calculate angle θ between them by formula

cos θ =  <u>a .</u> <u>b</u>  / magnitude of <u>a </u>  ×  magnitude of <u>b</u>

<u>Please see the attached file</u>

8 0
3 years ago
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