3 years ago

X=8, y=20 find y when x=42

Mathematics

2 answers:

kherson [118]3 years ago

8 0

You can make a proportion of 8/20 to 42/x and then simply cross multiply from there to solve for y

Len [333]3 years ago

3 0

make a proportion with 8 over 42 and 20 over a variable. then cross multiply and solve.

You might be interested in

I need help I don’t understand

aleksklad [387]

<h3><em>1) 0.7</em></h3><h3><em>2) 0.42</em></h3><h3><em>3) 0.25</em></h3><h3><em>4) 0.375</em></h3><h3><em>5) 0.33</em></h3><h3><em>6) 0.071</em></h3><h3><em>7) 0.775</em></h3><h3><em>8) 0.775</em></h3><h3><em>9) 0.682</em></h3><h3><em>10) 0.791</em></h3><h3><em>HOPE IT HELPS !!!</em></h3>

7 0

3 years ago

Two solid metal spheres have masses of 5 kg and 135 kg respectively. If the radius of the smaller one is 4 cm, find the radius o

Cerrena [4.2K]

Answer: 12 cm

Step-by-step explanation:

The masses of the spheres are proportional to their volums, and the cube of the ratio is k^3=135/5=27 ==> k=3

The greater radius is 3*4=12 (cm)

8 0

2 years ago

Please Help Me !!! Its A Math Question !!What is the domain of the quadratic equation that contains the following points?

Nataly [62]

Answer:

(-infinity, inifinty)

Step-by-step explanation:

the domain should be all real numbers of this quadratic

6 0

2 years ago

2/3+4/7 is it 26/21 or 6/21 or 3/5 or 6/10

Step2247 [10]

Answer:

26/21 = 1 5/20 = 4

5 0

3 years ago

Read 2 more answers

Help please!!!!!!!!!!!!!

Neporo4naja [7]

Answer:

4: <5= 115°

5: <2= 115°

6: <6= 115°

10: <1= 30°

11: <4= 30°

12: <6= 150°

Step-by-step explanation: Hope this helped

5 0

3 years ago