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3 years ago

Factor the expression using GFC/ Greatest common factor. 45+5

Mathematics

1 answer:

malfutka [58]3 years ago

5 0

The factor of each would be 5 so 5(9+1) i think

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Lisa and Marie are both on the track team. During practice, Lisa ran 10 laps around

Zigmanuir [339]

Answer:

Marie ran at a faster rate. It takes 27 minutes for Lisa to run 15 laps while it takes Marie 26.25 minutes to run 15 laps.

Step-by-step explanation:

18 ÷ 10 = 1.8 (Lisa's rate)

14 ÷ 8 = 1.75 (Marie's rate)

1.8 x 15 = 27 minutes (How long it takes for Lisa to run 15 laps)

1.75 x 15 = 26.25 (How long it takes for Marie to run 15 laps)

8 0

3 years ago

WILl GIVE BRAINLIEST IF YOU SHOW THE STEPS!!!

True [87]

Answer:

$\frac{9x}{y^3}$

Step-by-step explanation:

$\frac{\left(3x^2y^4\right)^3}{3x^5y^{15}}$

$(3x^2y^4)^3 : 3^3x^6y^1^2$

= $\frac{3^3x^6y^{12}}{3x^5y^{15}}$

$\frac{3^{3} }{2} = 3^{2}$

= $\frac{3^2x^6y^{12}}{x^5y^{15}}$

= $\frac{x^{6} }{x^{5} } : x$

= $\frac{3^2xy^{12}}{y^{15}}$

= $\frac{y^{12} }{y^{15} } : \frac{1}{3{y} }$

= $\frac{3^2x}{y^3}$

$3^2=9$

= $\frac{9x}{y^3}$

7 0

3 years ago

Y=4x+8<br> Y=5x+1<br><br> I cant figure out this math problem

Crank

If solving for x:
Because both equations are equal to Y, you can set both equations equal to each other:
5x+1=4x+8
Then it's a matter of simplification (subtract the 4x to the left side and subtract the 1 over to the right):
x=7
If solving for Y:
Plug x=7 into either equation and solve:
Y=4(7)+8
Y=36

4 0

3 years ago

Plz help me i will give u 50pts^_^ and brainliest<3

lara31 [8.8K]

Answer:

y/x^2=-2x+3

Step-by-step explanation:

6 0

2 years ago

Jessica fills a cube shaped tank that has an edge of 70 cm with water from a tap. Water flows into the tank at a rate of 7L per

daser333 [38]

The volume of the tank is (70 cm)³ = 343,000 cm³.

Now,

1 mL = 1 cm³

1 L = 1000 mL

so we convert the given rate to

$\dfrac{7\,\rm L}{1\,\rm min} \cdot \dfrac{1000\,\rm mL}{1\,\rm L} \cdot \dfrac{1\,\mathrm{cm}^3}{1\,\rm mL} = \dfrac{7000\,\mathrm{cm}^3}{1\,\rm min}$

Then the time it will take to fill up the tank is

$343,000\,\mathrm{cm}^3 \cdot \dfrac{1\,\rm min}{7000\,\mathrm{cm}^3} = \boxed{49\,\rm min}$

6 0

2 years ago