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svlad2 [7]
2 years ago
7

Matthew's dad is 5 times as old as him. If the differences of their ages is 28, how old is matthew?

Mathematics
1 answer:
enyata [817]2 years ago
6 0

Answer:

7

Step-by-step explanation:

5x-x=28  The dad is 5 times as old and the difference in their ages is 28years.

4x=28 Simplify and divide.

x=7

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Find f(-3), f(-1), and f(1)
suter [353]

Answer:

I will just show you how to substitute.

Step-by-step explanation:

all you have to do is just plug f(x) into the number you want. So if you see any x's, all you gotta do is plug that number after f for x.

So an example of an equation for one of your number is:

f\left(x\right)=x^2+x

you then want to plug the number after f for the x's. (I'm doing f(-3).

f\left(-3\right)=\left(-3\right)^2-3

You then should get the equation above.

after that you solve.

f\left(-3\right)=9-3

f\left(-3\right)=6

just follow these steps and you should be fine :))

3 0
3 years ago
A (- x, y - 3)
sashaice [31]
The answer is cccccccccccccccccccccccccc
3 0
3 years ago
the digit at the tens place of a two—digit number is 4 times the digit at ones place if the sum of this number and the number fo
zysi [14]

Answer:

41

Step-by-step explanation:

The number 1 is in the ones place. 1x4=4, so 4 is in the tens place. If you reverse 41, you get 14. 41+14=55.

5 0
3 years ago
Please as soon as possible
olchik [2.2K]

Answer:

8/-7

Step-by-step explanation:

using the equation: y₂-y₁/x₂-x₁

10-2/0-7 = 8/-7

3 0
3 years ago
An acre measures 4840 square yards. In a city, a lot on which a single-
belka [17]

The lot is <u>9.2% of the an acre.</u>

<u>Given:</u>

Area of an acre = 4840 sq. yards

Area of lot = 40 by 100 ft = 40 ]\times 100 = 4,000 $ ft^{2}

Convert the area of the lot to feet (9 ft^{2} = yd^{2}):

<em>Therefore:</em>

Area of lot = \frac{4,000}{9} = 444.4 $ yd^{2}

Percentage occupied by the lot = area of lot / area of acre x 100

= \frac{444.4}{4840} \times 100\\\= 9.2

The lot therefore is <u>9.2% of the an acre</u>.

Learn more here:

brainly.com/question/20730855

7 0
2 years ago
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