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castortr0y [4]
2 years ago
6

Madison to read a book that is 260 page and her mom said she can take a break and she is 30% finish how far does she need to rea

d
Mathematics
2 answers:
netineya [11]2 years ago
7 0

Answer:

182\ pages

Step-by-step explanation:

Let

x------>number of pages to read

we know that

100\%-30\%=70\%

70\%=70/100=0.70

To find the number of pages to read multiply 0.70 by the total pages of the book

so

x=0.70(260)=182\ pages

aliya0001 [1]2 years ago
3 0
30% is 3/10. 260 times 3/10 is 780/10, or 78. She read 78 pages. 260 - 78 is 182 pages left.
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The perimeter of a rectangular playgroundis 46m. If the length of the park is 7m, what is the width of the park ?
Vikki [24]

Answer:

32

Step-by-step explanation:

7m + 7m = 14m

46m - 14m = 32m

4 0
2 years ago
3,000 is 1/10 of?-<br><br>300<br><br>300,000<br><br>3,000<br><br>30,000​
NeX [460]

Answer:

30,000​

Step-by-step explanation:

3,000 times 10 is 30,000, therefore 30,000/10=3,000

7 0
2 years ago
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Question 3 of 10<br> Which graph shows the solution to this system of inequalities?<br> y&gt;2x-3
belka [17]

Step-by-step explanation:

the graph should start on (-3) on the y-axis from there go up 2 and over one and that should be your next point on the graph.

you didn't show the graphs but to figure out if the color goes on the top or bottom... do

point (0,0)

plug into equation y<2x-3

(0)<2(0)-3

0<-3 (false)

wouldn't include the point (0,0)

hope this helps

8 0
2 years ago
Solve |x| + 7 &lt; 4.
masya89 [10]

Answer:

C) Ø    not possible

Step-by-step explanation:

Solve |x| + 7 < 4.

subtract 7 first

|x| < 4 - 7

|x| < -3

this is impossible,  a positive number cannot be less than a negative number

7 0
3 years ago
The volume of a spherical balloon is increasing at the rate of 25cm^3/min, how fast is the radius increasing when the radius is
S_A_V [24]

Answer:

So the radius is increasing at \frac{1}{64\pi} \frac{\text{cm}}{\text{min}}.

This is approximately 0.00497 cm/min that the radius is increasing.  

Step-by-step explanation:

V=\frac{4}{3}\pi r^3

The volume and radius are both things that are changing with respect to time.

So their derivatives will definitely not be 0.

Let's differentiate:

V'=\frac{4}{3} \pi \cdot 3r^2r'

I had to use constant multiple rule and chain rule.

We are given V'=+25 \frac{\text{cm^3}}{\text{min}} and r=20 \text{cm}.

We want to find r'.

Let's plug in first:

25=\frac{4}{3}\pi \cdot 3(20)^2r'

25=\frac{4}{3} \pi \cdot 3(400)r'

25=\frac{4}{3} \pi \cdot 1200r'

Multiply both sides by 3:

75=4 \pi \cdot 1200r'

75=4800 \pi r'

Divide both sides by 4800 \pi:

\frac{75}{4800 \pi}=r'

\frac{1}{64 \pi}=r'

So the radius is increasing at \frac{1}{64\pi} \frac{\text{cm}}{\text{min}}.

This is approximately 0.00497 cm/min that the radius is increasing.  

5 0
3 years ago
Read 2 more answers
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