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Olegator [25]
3 years ago
6

À television ser costs $350 cash. When

Mathematics
1 answer:
Arlecino [84]3 years ago
8 0

Answer:

$45.

Step-by-step explanation:

When the TV is bought on hire purchase, you deposit $35 and pay $30 monthly. There are 12 payments. 12 * 30 = $360. 360 + 35 = $395.

Since cash would've cost $350, the amount of money saved by paying cash is 395 - 350 = $45.

Hope this helps!

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Find two integers whose sum is -9 and product is -10
BigorU [14]

Step-by-step explanation:

if the two integers are x and y

xy=-10

x+y=-9

x+(-10/x)=-9

x2+9x-10=0

(x-1)(x+10)=0

x=1 or x=-10

if x=1, y=-10

if x=-10, y=1

so the two integers are 1 and -10

5 0
2 years ago
Which equation can we use to solve the following?<br> 42 · X = 16
Kazeer [188]

Answer:

Divide both sides by 42 then reduce the fraction. The answer is 8/21=0.38

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
What is the volume of a cylinder when the radius is 3 and height is 7
kap26 [50]

Answer:

63pi

Step-by-step explanation:

the formula for the volume of a cylinder is pi r^2 h

r=radius

h=height

3=r

7=h

pi((3)^2)7

63pi units^3

Hope that helps :)

5 0
3 years ago
Read 2 more answers
Help!!!!!!!!!!!!!!!!!!!
nalin [4]

no clue, man. sorry. i really wish i understood it so i could help you

3 0
3 years ago
The radius of this ball is 15 inches. Which equation gives the ball's surface area, in square inches?
victus00 [196]

Answer:

\large\boxed{S.A.=4500\pi\ in^2\approx14130\ in^2}

Step-by-step explanation:

The formula of a surface area of a ball (sphere):

S.A.=\dfrac{4}{3}\pi R^3

R - radius

We have R = 15in. Substitute:

S.A.=\dfrac{4}{3}\pi(15^3)=\dfrac{4}{3}\pi(3375)=4500\pi\ in^2

If you want to get an approximation, then:

\pi\approx3.14\\\\S.A.\approx(4500)(3.14)=14130\ in^2

5 0
2 years ago
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