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ioda
2 years ago
9

On Monday a team of street sweepers cleaned 2/5 of a city block. Tuesday, the team cleaned 4/5 as

Mathematics
1 answer:
otez555 [7]2 years ago
8 0

Answer:

1 and 1/5

Step-by-step explanation:

\frac{2}{5} + \frac{4}{5} = \frac{6}{5} or 1 \frac {1}{5}

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PLeAsE sEnD hElP !!!!!!!!!!!!!!!!
Luba_88 [7]

Answer:

5 units

Step-by-step explanation:

If DG, EG and FG are perpendicular bisectors of the sides of triangle ABC, then point G is the circumcenter of the triangle ABC and

BG = AG = CG as radii of the circumcirle.

Consider right triangle BEG. By the Pythagorean theorem,

BG^2=EG^2+BE^2\\ \\BG^2=4^2+3^2\\ \\BG^2 =16+9\\ \\BG^2=25\\ \\BG=5\ units

This gives us that

AG = BG = 5 units

3 0
2 years ago
In a market research survey of 29012901 ​motorists, 255255 said that they made an obscene gesture in the previous month. complet
harina [27]
A. 1-255255/29012901=0.991202017 is the probability of not making an obscene gesture.
b. The probability of none of 5050 making an obscene gesture is (a) raised to the power of 5050: 4.1591E-20 approx. We have not used the 5% rule in this binomial distribution.
8 0
3 years ago
What is the geometric mean of 3 and 24?​
Contact [7]

Answer:

for GM, you find out the square root of the product of the numbers provided.

= \sqrt{3 \times 24}  \\  =  \sqrt{72} \\  = 6 \sqrt{2}

since 72 can be broken down into the product of 36 and 2. 6 being the square root of 36 comes out, leaving 2 behind.

7 0
3 years ago
Read 2 more answers
Problem 2: find the total surface area of a cylinder to calculate the cost for constructing a closed cylinder matlab
expeople1 [14]
You didn't post any basic information for me to work on the answer.
every cylinder has a different radius and a different hight and hit at different points on the map you need to give basic information
cost/ x
radius
hight
...
a lot of missing information here
6 0
3 years ago
Let f(x)=−1/2(x+2)^2+5 .
jolli1 [7]
Answer: 2

Explanation:

The average rate of change is the net change of the function, i.e. final value less initial value, divided by the interval:

                                                             f(b) - f(a)       f(1) - (f(-3)
average change rate from a to b = ---------------- = ---------------
                                                                 b - a             1 - (-3)

f(1) = -(1/2) (1 + 2)² + 5 = -(1/2) (3)² + 5 = 5 - 9/2 = 1/2

f(-3) = -(1/2) ( -3 + 2)² + 5 = -(1/2) (-1)² + 5 = 5 - 1/2 = 9/2

                                         (1/2) - (9/2)
average change rate = -------------------- =  2
                                             1 - 3
That is the answer.
8 0
3 years ago
Read 2 more answers
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