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ra1l [238]
3 years ago
13

the product of ages of 3 children in the Collins family is 72. the sum of the ages of 3 children, the twin boys and the older si

ster is 14. how old are the boys? explain
Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
5 0
The answer 42+72=114 is the answer
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Perfect square trinomial conditions
aev [14]

Step-by-step explanation:

step 1. an example of difference of squares (dos) is (x + y)(x - y) = x^2 - y^2.

step 2. dos must have only 2 square rootable terms and a "-" between them.

step 3. 196x^2 - 121y^2 = (14x + 11y)(14x - 11y) works!

step 4. 5x^2 - 245 = 5(x^2 - 49) = 5(x + 7)(x - 7) works!

step 5. 27w^5 - 75w = 3w(9w^4 - 25) = 3w(3w^2 + 5)(3w^2 - 5) works!

step 6. x^4 - 100y^2 = (x^2 - 10y)(x^2 + 10y) works!

4 0
3 years ago
Plz.Help!me to solve first ano. and bno.​
OverLord2011 [107]

Answer:

a) rs 3000

b) rs 16800

a) rs 1600

b) rs 4000

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3 years ago
a sprinkler that sprays water in a circular area can be adjusted to spray up to 30 feet. turning the radius-reduction screw on t
Zarrin [17]

Answer:

1590.4 square ft

Step-by-step explanation:

r=30 so you need to multiply that by 25% (30*.25=7.5)

30-7.5=22.5

A= pi(r)^2

A=pi*(22.5)^2

A=506.25pi

A=1590.43 or 1590.4 (to the nearest tenth)

4 0
3 years ago
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Help quiz question!!!
SVEN [57.7K]

Answer:301.59389

Step-by-step explanation:

254.47+47.12389=301.59389

4 0
3 years ago
I need help with this question ASAP!!!!!!!!!!!!!
Mazyrski [523]

The height of the flag pole is 51 ft.

Solution:

Paul creates the smaller triangle and flag pole creates the larger triangle.

Base of smaller triangle = 10 ft

Height of smaller triangle = 6 ft

Base of the larger triangle = 85 ft

Let the height of the flagpole be h.

$\Rightarrow \frac{6}{10} =\frac{h}{85}

Multiply by 85 on both sides.

$\Rightarrow 85 \times \frac{6}{10} =\frac{h}{85}  \times85

$\Rightarrow \frac{510}{10} =h

⇒ 51 = h

The height of the flag pole is 51 ft.

7 0
3 years ago
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