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3 years ago

15

3 3/10 ÷ 1 4/7 to the lowest terms

1 answer:

juin [17]3 years ago

4 0

Answer:

2 1/10

Step-by-step explanation:

33/10 ÷ 11/7

33/10 x 7/11

231/110

21/10

2 1/10

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If two pyramids are similar and the ratio between the lengths of their edges is 2:7, what is the ratio of their volumes? O A. 49

vodka [1.7K]

Answer:

D. 8.343

Step-by-step explanation:

8 0

3 years ago

Enter the fraction as a decimal and as a percent.

BaLLatris [955]

As a decimal .375 as a percentage it would be 37.5

4 0

4 years ago

Read 2 more answers

Determine which graph represents a reflection across the x-axis of f(x) = 3(1.5)x.

vivado [14]

The reflection is written as:

$g(x) = -3*(1.5)^x$

And the graph can be seen below.

<h3>How to get the graph of the reflection?</h3>

Here we have the function:

$f(x) = 3*(1.5)^x$

A reflection across the x-axis is given by:

$g(x) = -f(x).$

Then, replacing the function f(x) by the actual equation:

$g(x) = -3*(1.5)^x$

The graph of the function g(x) can be seen below:

If you want to learn more about reflections:

brainly.com/question/4289712

#SPJ1

5 0

2 years ago

Four friends drove from their homes in four different cities to a class reunion.

Brilliant_brown [7]

Answer:

Tomas

Step-by-step explanation:

Let's use miles per hour

Maren:<em> 60 miles/hour</em> (It's given to us)

Safiya: 120 miles/3 hours

Let's divide both by three to get to miles/hour.

120/3=40

<em>40 miles/hour</em>

Tomas: 84 miles/1.2 hours

Let's divide both by 1.2 to get to miles/hour

84/1.2=70

<em>70 miles/hour</em>

Cam: 75 miles/1.5 hours

Let's divide both by 1.5 to get to miles/hour

75/1.5=50

<em>50 miles/hour</em>

After comparing all the speeds we can conclude that Tomas drove the fastest.

3 0

2 years ago

Can someone help me with this!!!!!

Nimfa-mama [501]

Answer:

30. $x=5\\y=5\sqrt{3}$

31. $x=4\\y=4\sqrt{3}$

32. $x=6\\y=6\sqrt{3}$

33. $x=4.5\\y=\frac{9\sqrt{3} }{2}$

34. $x=40\\y=40\sqrt{3}$

35. $x=7.5\\y=\frac{15\sqrt{3} }{2}$

Step-by-step explanation:

Use SOHCAHTOA to find one of the missing sides, then use the pythagorean theorem ( $x^{2}+ y^{2} =z^{2}$ ) to find the other one

$sin=\frac{opposite}{hypotenuse}$

$cos=\frac{adjacent}{hypotenuse}$

$tan=\frac{opposite}{adjacent}$

30.

First find $x$ using Sin

$sin(30)=\frac{x}{10}$

$10*sin(30)=x$

$x=5$

Then use the pythagorean theorem to find $y$

$5^{2}+ y^{2} =10^{2}$

$25+y^{2} =100$

$y^{2} =75$

$\sqrt{y^{2}} =\sqrt{75}$

$y=5\sqrt{3}$

32.

First use Sin to find $x$

$sin(30)=\frac{x}{8}$

$8*sin(30)=x$

$x=4$

Then use the pythagorean theorem to find $y$

$4^{2}+ y^{2} =8^{2}$

$16+y^{2} =64$

$y^{2} =48$

$\sqrt{y^{2} } =\sqrt{48}$

$y=4\sqrt{3}$

32.

First use Sin to find $x$

$sin(30)=\frac{x}{12}$

$12*sin(30)=x$

$x=6$

Then use the pythagorean theorem to find $y$

$6^{2}+ y^{2} =12^{2}$

$36+y^{2} =144$

$y^{2} =108$

$\sqrt{y^{2} } =\sqrt{108}$

$y=6\sqrt{3}$

33.

First use Sin to find $x$

$sin(30)=\frac{x}{9}$

$9*sin(30)=x$

$x=4.5$

Then use the pythagorean theorem to find $y$

$4.5^{2}+ y^{2} =9^{2}$

$20.25+y^{2} =81$

$y^{2} =60.75$

$\sqrt{y^{2} } =\sqrt{60.75}$

$y=\frac{9\sqrt{3} }{2}$

34.

First use Sin to find $x$

$sin(30)=\frac{x}{80}$

$80*sin(30)=x$

$x=40$

Then use the pythagorean theorem to find $y$

$40^{2}+ y^{2} =80^{2}$

$1600+y^{2} =6400$

$y^{2} =4800$

$\sqrt{y^{2} } =\sqrt{4800}$

$y=40\sqrt{3}$

35.

First use Sin to find $x$

$sin(30)=\frac{x}{15}$

$15*sin(30)=x$

$x=7.5$

Then use the pythagorean theorem to find $y$

$7.5^{2}+ y^{2} =15^{2}$

$56.25+y^{2} =225$

$y^{2} =168.75$

$\sqrt{y^{2} }=\sqrt{168.75}$

$y=\frac{15\sqrt{3} }{2}$

4 0

4 years ago