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sukhopar [10]
2 years ago
9

Please help!!!!! I will give first answer brainliest.

Mathematics
1 answer:
zloy xaker [14]2 years ago
7 0

a) +17 -9 = +8 . . . a profit of $8

b) +9 -5 = +4 . . . a rise of 4 cm

c) -6 -4 = -10 . . . a drop of 10 °C

_____

Each integer has a sign chosen with respect to some reference direction. We usually choose a rise or increase or profit to be the positive direction, so a drop or decrease or loss is then represented by a negative number.

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A cone has a height of 18 yards and a diameter of 28 yards. What is its volume?
Veseljchak [2.6K]

Answer:

3694.5 yd^3

Step-by-step explanation:

cone volume equation:

π x r^{2} x \frac{h}{3}

π (28 yd/2)^2 x (18/3)

π x 196 x 6

3694.5 yd^3

8 0
3 years ago
A=2x+6xz <br> a=2x+6xz<br> for x
Dennis_Churaev [7]
So I guess we are solving for x here :)
So here is my work...
a=2x+6xz
Basically I think it would be
a=6xz+2x

WAIT WAIT NO I'M WRONG FORGIVE ME!

It's  x=a/2(1+3z)
5 0
3 years ago
Read 2 more answers
Juan bought a box of laundry soap that weighed 15.6 pounds. One 0.15-pound scoop of soap is enough to wash a regular load of lau
Alecsey [184]

Answer:

Quantity of soap left after Juan washes 8 regular loads and 5 heavy loads of laundry =12.9 pounds.

Step-by-step explanation:

Number of scoop of soap used to wash a regular load of laundry = One 0.15 pound scoop

Number of scoops of soap used to wash heavy work clothes = Two 0.15 pound scoops

As Juan washes 8 regular loads and 5 heavy loads of laundry,

Total quantity of soap used = 8(0.15)+5(2)(0.15)=1.2+1.5=2.7 pounds

As a box of laundry soap weighed 15.6 pounds,

quantity of soap left after Juan washes 8 regular loads and 5 heavy loads of laundry =15.6-2.7=12.9 pounds.

8 0
2 years ago
What is a formula for the nth term of the given sequence? 20,23, 26...​
lord [1]

Answer:

17 + 3n

Step-by-step explanation:

20, 23,26 ..............

This is an arithmetic series

First term = a = 20

Common difference = second term -  first term

                               d = 23 - 20 = 3

nth terms = a + (n-1)*d

               = 20 + (n -1) *3

               = 20 + n*3 - 1*3

              = 20 + 3n - 3

               = 20 - 3 + 3n

              = 17 + 3n

6 0
2 years ago
5 + n2 &gt; 8<br> A. n &gt; 6<br> B. n&gt;3<br> C. n&gt;1.5<br> D. n &lt; 26
san4es73 [151]
N•2>8
then dive both sides 2n>8
and get n>4
4 0
3 years ago
Read 2 more answers
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