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NikAS [45]
3 years ago
6

The sum of the present ages of the mother and her daughter is 80 years. The mother was thrice as old as her daughter when she wa

s as old as her daughter is now. Find the present ages of the mother and her daughter ​
Mathematics
1 answer:
Alika [10]3 years ago
7 0

Answer:

let the daughter age be x

let mother age be 3x

Step-by-step explanation:

x+3x= 80

4x = 80

x= 80\4

x=20

daughter age is 20

mather age= 80 -20

= 60

daughter age 20

mother age 60

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dedylja [7]

Answer:

C.52 square units

Step-by-step explanation:

We are given that

Length of cross-section ADGF,l=13units

Length of cross-section ADGF, b=4 units

We have to find the area  of cross-section ADGF of this right rectangular prism.

We know that

Area of rectangle=l\times b

Using the formula

Area of cross-section ADGF of this right rectangular prism

=13\times 4

Area of cross-section ADGF of this right rectangular prism=52square units

Option C is correct.

C.52 square units

5 0
3 years ago
What is the answer to 25% of 50
a_sh-v [17]

Answer:

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Step-by-step explanation:

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8 0
2 years ago
An arrangement of flowers originally priced at $48.00 is marked down to $39.00. What is the percent of decrease, rounded to the
Mashcka [7]
The answer is C

So how?

I multiplied 48*.19= 9.12 then subtracted that from 48 and got 38.88 which rounds to 39

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I hope this helps! :D
6 0
3 years ago
Find the distance between the two points to the nearest tenth. (0,-5) and (-4,2) 5 5.3 5.2 5.6
zubka84 [21]
Sqr (x2 - x1)^2 + (y2 - y1)^2
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7 0
3 years ago
The tram could cover 400 centimeters in 50 seconds. if the rate of the tram were reduced by one half during the thunderstorm<
ki77a [65]
Reduced by half = 200cm/50 seconds.

20000/50 = 400.

200 x 400 = 80,000cm
6 0
3 years ago
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