Ask question

Ask question

All categories

Oduvanchick [21]

3 years ago

15

Helen drives 195 miles in 3 hours A) what is her average speed in mph

1 answer:

Anon25 [30]3 years ago

8 0

Answer:

First 195 dived by 3, then the answer is 65.

You might be interested in

(1/3+5/6)*m ( let m=1/4

olga55 [171]

Answer:

The value of $\left(\frac{1}{3}+\frac{5}{6}\right)\cdot m$ when $m=\frac{1}{4}$ would be:

$\left(\frac{1}{3}+\frac{5}{6}\right)\frac{1}{4}=\frac{7}{24}$

Step-by-step explanation:

Considering the expression

$\left(\frac{1}{3}+\frac{5}{6}\right)\cdot m$

As

$m=\frac{1}{4}$

As the expression is

$\left(\frac{1}{3}+\frac{5}{6}\right)\cdot m$

Putting $m=\frac{1}{4}$ in the given expression would bring:

$\left(\frac{1}{3}+\frac{5}{6}\right)\cdot m$

$\left(\frac{1}{3}+\frac{5}{6}\right)\frac{1}{4}$

$\mathrm{Join}\:\frac{1}{3}+\frac{5}{6}:\quad \frac{7}{6}$

$=\frac{7}{6}\cdot \frac{1}{4}$

$\mathrm{Multiply\:fractions}:\quad \frac{a}{b}\cdot \frac{c}{d}=\frac{a\:\cdot \:c}{b\:\cdot \:d}$

$=\frac{7\cdot \:1}{6\cdot \:4}$

$\mathrm{Multiply\:the\:numbers:}\:7\cdot \:1=7$

$=\frac{7}{6\cdot \:4}$

$\mathrm{Multiply\:the\:numbers:}\:6\cdot \:4=24$

$=\frac{7}{24}$

Therefore, the value of $\left(\frac{1}{3}+\frac{5}{6}\right)\cdot m$ when $m=\frac{1}{4}$ would be:

$\left(\frac{1}{3}+\frac{5}{6}\right)\frac{1}{4}=\frac{7}{24}$

Keywords: algebraic expression

Learn more about simplifying algebraic expression from brainly.com/question/4687406

#learnwithBrainly

5 0

4 years ago

(-3x)^2<br><br>wbat is this please

valentina_108 [34]

if you want me to solve (-3x)²

the answer is 9x²

3 0

3 years ago

Read 2 more answers

F(x) = - 2x<br> g(x) = 8x^2– 5x+7<br> Find (f .g)(x).

N76 [4]

Answer:

$\large\boxed{(f\cdot g)(x)=-16x^3+10x^2-14x}$

Step-by-step explanation:

$f(x)=-2x\\\\g(x)=8x^2-5x+7\\\\(f\cdot g)(x)=f(x)\cdot g(x)\\\\\text{substitute:}\\\\(f\cdot g)(x)=(-2x)(8x^2-5x+7)\qquad\text{use the distributive property}\\\\(f\cdot g)(x)=(-2x)(8x^2)+(-2x)(-5x)+(-2x)(7)\\\\(f\cdot g)(x)=-16x^3+10x^2-14x$

7 0

3 years ago

21 > 3x Please help!

Leto [7]

Its c! hope this helps

5 0

3 years ago

Read 2 more answers

Solve the given equation. 5^(1/4)/125^(x/3) =1

scZoUnD [109]

Answer:

x = 0.25

Step-by-step explanation:

Rewrite the equation as:

$\frac{\sqrt[4]{5}}{125^{x/3}} = 1$

$\sqrt[4]{5} = 125^{x/3}$

$(\sqrt[4]{5})^4 = (125^{x/3})^4$

$5 = 125^{4x/3}$

$ln5 = ln(125^{4x/3})$

$ln5 = \frac{4x}{3}ln125$

$x = \frac{3}{4}\frac{ln5}{ln125} = \frac{3}{4}\frac{1}{3} = \frac{1}{4} = 0.25$

3 0

3 years ago