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Marysya12 [62]
3 years ago
7

Mail Delivery

Mathematics
1 answer:
Elodia [21]3 years ago
4 0

Answer:

125, 130, and 135

Step-by-step explanation:

Numbers go up by 5 each time

120 + 5 = 125

125 + 5 = 130

130 + 5 = 135

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1. Solve each of the following addition and subtraction problems.
balandron [24]
A. 199

b. -71

c. -2.25

d. 30

e. -18

f. -4

g. 4

h. 7

i. 0
5 0
2 years ago
g A 5 foot tall man walks at 10 ft/s toward a street light that is 20 ft above the ground. What is the rate of change of the len
vredina [299]

Answer:

-\frac{10}{3}ft/s

Step-by-step explanation:

We are given that

Height of man=5 foot

\frac{dy}{dt}=-10ft/s

Height of street light=20ft

We have to find the rate of change of the length of his shadow when he is 25 ft form the street light.

ABE and CDE are similar triangle because all right triangles are similar.

\frac{20}{5}=\frac{x+y}{x}

4=\frac{x+y}{x}

4x=x+y

4x-x=y

3x=y

3\frac{dx}{dt}=\frac{dy}{dt}

\frac{dx}{dt}=\frac{1}{3}(-10)=-\frac{10}{3}ft/s=-\frac{10}{3}ft/s

Hence, the rate of change of the length of his shadow when he is 25 ft from the street light=-\frac{10}{3}ft/s

7 0
2 years ago
What makes a square a square <br> why isn't a rectangle?
Lilit [14]
A square is a geometrical figure that has 4 congruent sides and angles. This means all side lengths and angles are the same.

A rectangle is a geometrical figure that has 4 similar sides but are not the same length. However, a rectangle does have congruent angles. A rectangle has 2 sides that are double the other 2 sides, in which both of each (length & width) have the same measurement.

I hope this helps!
3 0
3 years ago
HELP ASAP PLEASE!!!!!
Bond [772]

Answer:

option 4

Step-by-step explanation:

5 0
3 years ago
How to slove 7 - w = 2.2
vova2212 [387]
Subtract 2.2 from 7 and that will be equal to w
7 0
3 years ago
Read 2 more answers
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