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guapka [62]
3 years ago
15

Ayushi has 100 pens and pencils altogether. 20% of them are pens. She buys some more pens and the percentage of the pens increas

es to 50%. How many pens did she buy? A. 30 B. 50 C. 60 D. 80
Mathematics
1 answer:
uranmaximum [27]3 years ago
4 0

Step-by-step explanation:

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3) Round answer to the nearest hundredth. *
DochEvi [55]

Answer:

80 mm

Step-by-step explanation:

Pythagorean theorm can be applied here to solve for the length of the last leg, a^{2} + b^{2} = c^{2}, where (a) and (b) are the legs of the triangle and (c) is the hypotenuse. We can rearrange the pythagorean theorm for our purposes like the following:

b = √c^2 - √a^2

  = √(82)^2 - √(18)^2

  = √6724 - √324

  = √6400

  = 80 mm

5 0
2 years ago
40 POINTS !! 40 POINTS !!<br><br> PLEASE HELP , DONT SKIP !<br><br> NO LINKS OR FILES.
zloy xaker [14]

Answer:

Just click an x on the graph for each number in the chart.

1/4 would have 4 x's

2/4 would have 2 x's

3/4 would have 1 x

1 would have 2 x's

5 0
3 years ago
In isosceles triangle ABC, BC is the shortest side. If the degree measure of A is a multiple of 10, what is the smallest degree
Andrei [34K]

Answer:

n b knhkn hbk n

Step-by-step explanation:

jhuguoljhjjl;

8 0
3 years ago
Read 2 more answers
If you are solving y 2+2y=48 by completing the square, the next line would be
snow_tiger [21]

For this case we have the following equation:

y ^ 2 + 2y = 48

By completing squares we have:

Step 1:

Add (\frac {b} {2}) ^ 2 on both sides:

y ^ 2 + 2y + 1 = 48 + 1

Step 2:

We rewrite the equation:

(y + 1) ^ 2 = 49

Step 3:

We solve the equation:

y = \pm \sqrt {49} -1\\y = \pm7-1

Solutions:

y = 6\\y = -8

Answer:

the next line would be:

y ^ 2 + 2y + 1 = 48 + 1


6 0
3 years ago
Read 2 more answers
Please help ASAP.. I don’t understand.
Dmitry_Shevchenko [17]

Y intercept means x = 0, on x= 0 y is also zero so the cordinate is (0,0)

8 0
3 years ago
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