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makkiz [27]
3 years ago
12

Tell whether x and y show direct variation. Explain your reasoning. y−x=0

Mathematics
1 answer:
Jlenok [28]3 years ago
7 0

Answer:

yes

Step-by-step explanation:

Direct variation is represented as

y = kx, where k is a constant.  

We can rewrite y - x = 0 as

    y = x   (add x to both sides)

This can be looked at as

  y = (1)x     , so this is a direct variation relationship where k = 1

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Meghan's dog spray eats 4 ¹/4 cups of food each day. Explain how megan can determine how much food to give sparky if she needs t
Alexxandr [17]

Answer:

\frac{17}{6}\ cups

Step-by-step explanation:

Total\ required\ food\ for\ sparky=4\frac{1}{4}\ cups\\\\Total\ required\ food\ for\ sparky=\frac{17}{4}\ cups\\\\Megan\ needs\ to\ feed\ him\ only\ \frac{2}{3}\ as\ much\\\\Food\ given\ by\ Megan=\frac{2}{3}\times Total\ required\ food\ for\ sparky\\\\Food\ given\ by\ Megan=\frac{2}{3}\times \frac{17}{4}\\\\Food\ given\ by\ Megan=\frac{17}{6}\ cups

6 0
4 years ago
A new bridge has a weight limit of 3 tons, tiene car weighs 7,900 lbs. Will the besble to drive her
9966 [12]

Answer:

no

Step-by-step explanation:

3 tons is 3,000 and 7,000 is 7 tons

7 0
3 years ago
The sum of the digits of a two-digit number is 7. If the digits are reverses, the new number is 9 more than the original number.
____ [38]

25

Step-by-step explanation

Let the ones's digit =x.

So, sum of the digits =7

Tens's digit =7−x

Original no. =10(7−x)+x=70−10x+x=70−9x

Reversed no. =10x+7−x=9x+7

2(orig no) = reversed no. −2

2(70−9x)=9x+7−2

140−18x=9x+5

27x=135

x=5

Ten's digit =7−5=2

No. =25

5 0
3 years ago
Find the area of a circle with a circumference of 81.68cm
Whitepunk [10]

Answer:

A= 20959.52 cm

Step-by-step explanation:

Formula: A= π x r^2

A=  π x 81.68^2

A= 20959.52

5 0
3 years ago
In the figure below what is the name of the angle formed by two rays QR and QP? What is the common. endpoint,for this angle?
castortr0y [4]
The common endpoint is Q. The angle is: angle RQP, angle PQR, or just angle Q
6 0
4 years ago
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