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gayaneshka [121]
3 years ago
8

.

Mathematics
1 answer:
irinina [24]3 years ago
4 0

Answer:

15

Step-by-step explanation:

i had this question and it was correct trust me.

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A dvd is on sale for $1.05 off. this is a 15% discount from the original price. use an equation to find the original price.
elena-s [515]
1.05÷.15=7.00<---
check your answer
7.00×.15=1.05
6 0
4 years ago
Read 2 more answers
Explain why the following statements are equivalent: x + (y + 9) = (x + y) + 9
Alona [7]

Answer:

There are no like terms hence they stay the same

Step-by-step explanation:

x + (y + 9)

There are no like terms

=x+y+9

(x + y) + 9

There are no like terms

=x+y+9

5 0
3 years ago
Read 2 more answers
What are the solutions of the quadratic equation?<br> 5x^2+51x+54 = 0
pentagon [3]
X = - 6/5 or x=-9 !!!!!!!!!!!!!
7 0
3 years ago
IAS question - ❓❓❓❓❓❓A man starts frm his house with some money to visit four temples.1. As soon as he enters temple 1 his money
Natali5045456 [20]

Answer:

Rs 93.75

Step-by-step explanation:

Solution:

A man starts from his house with some money to visit four temples.

<u>1. As soon as he enters temple 1 his money gets doubled. </u>

Let he had money at first = x

After enter the 1st temple his money = 2x

He donated = Rs 100

Money left after donation at 1st temple = 2x-100

<u>2. At temple 2 again his money is doubled and he donates Rs 100</u>

He had at 2nd temple = 2(2x-100) =4x-200

Donated = Rs 100

Money left after donation at 2nd temple = 4x-200-100=4x-300

<u>3. His money is doubled again at temple 3 and he donates Rs 100.</u>

He had at 3rd temple = 2(4x-300)=8x-600

Donated = Rs 100

Money left after donation at 3rd temple = 8x-600-100=8x-700

<u>4. At temple 4 again his money gets doubled. He donates 100 rs. again and returns home empty handed.</u>

He had at 4th temple = 2(8x-700)= 16x-1400

Donated = Rs 100

Money left after donation at 4th temple = 16x-1400-100 = 16x-1500

<u>As he returned empty hand or with zero money, equation will be:-</u>

16x-1500=0\\ \\ Adding\ both\ sides\ by\ 1500\\ \\ 16x=1500\\ \\ Dividing\ both\ sides\ by\ 16\\ \\ x=Rs \ 93.75

Thus, he had Rs 93.75 when he started from his house.

6 0
3 years ago
What happens to the volume of a sphere when the radius is multiplied by 4?
tekilochka [14]
Vsphere=(4/3)pir^3
Voriginal=(4/3)pir^3

when radius is multiplied by 4
replace r with 4r
Vnew=(4/3)pi(4r)^3
Vnew=(4/3)pi(64r^3)
Vnew=(64)(4/3)pir^3
Vnew=(64)(Voriginal)
the volume is 64 times the original
5 0
3 years ago
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