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Mandarinka [93]
3 years ago
9

In the equation y = 1.9x, 1.9 represents the constant of proportionality Find the constant of proportionality for the ratio 2/5

Mathematics
1 answer:
Rasek [7]3 years ago
6 0
The answer for this question is 0.76

Hope this helped
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Write an inequality for the given statement: 4 times the sum of a number and 3 is at least 28.
Ludmilka [50]
The answer is 4(x+3) is greater than or equal to 28 or
4(x+3)≥28
4 0
4 years ago
Y= -2x - 3 <br> y= 7x + 6 solve by elimination
tatiyna

Answer:

x = y = - 1

Step-by-step explanation:

y = - 2x - 3

y = 7x + 6 -----> equation 1.

So,

7x + 6 = - 2x - 3

7x + 2x = - 3 - 6

9x = - 9

Divide 9 on both sides,

9x / 9 = - 9 / 9

x = - 1

Substitute x = - 1 in equation 1,

y = 7x + 6

  = 7 ( - 1 ) + 6

  = - 7 + 6

  = 6 - 7

y = - 1

Therefore,

x = y = - 1

3 0
2 years ago
Read 2 more answers
Please help!!10 points!!
ANTONII [103]

Answer:

the hell Well fist off you need to be able to graph to if you have a phone and look it up.

3 0
2 years ago
What is the volume of a rock if it has a density of 1.25g/ml if it has a mass of 7525g?
Rama09 [41]

Answer:

\boxed{\tt v= 6,020 \ mL}

Step-by-step explanation:

The density formula is

d=\frac{m}{v}

Rearrange the formula for v. Multiply both sides of the formula by v, then divide both sides by d.

d*v=\frac{m}{v}*v

d*v=m

\frac{dv}{d}=\frac{m}{d}

v=\frac{m}{d}

The volume can be found by dividing the mass by the density. The mass is 7525 grams and the density is 1.25 grams per milliliter.

m= 7525 \ g\\d=1.25 \ g/mL

v=\frac{m}{d}

v=\frac{7525\ g}{1.25\ g/mL}

Divide. Note that the grams, or "g" will cancel each other out.

v=\frac{7525 \ }{1.25\ mL}

v=6020 \ mL

The volume of the rock is 6,020 milliliters.

7 0
4 years ago
Read 2 more answers
Mr. Howe ate 1/3 of a pizza and then Mr. Kurt ate 1/8 of the same pizza. How
Nikolay [14]

12/24

Step One: We need to convert 1/3 and 1/8 so both have the same denominator, so we need to find the a number that is able to be multiply by 3 and 8 for the process.

Step Two: 1/3 x 8= 8/24 and 1/8x3= 3/24

Step Three: Add our new fractions: 3/24+8/24= 12/24

Step Four: Subtract 12 by 24: 24-12= 12; our answer is 12/24 or half the pizza was eaten

I hope I've help!

5 0
3 years ago
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