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shusha [124]
2 years ago
15

Brad began working on a project at 10:15 A.M. He finished the work at 5:08 P.M.

Mathematics
1 answer:
ladessa [460]2 years ago
3 0

Answer:

It is a good idea to convert the times into internation time

thus, 5:08 becomes 17 08

Substraction:

17 08 - 10 15

= 16 68 - 10 15 ( I took one hour from 17 and added 60 minutes to 08)

= 6 53

he worked 6 hr 53 mins

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What the next pattern of A, C, E, G, I
algol13

Answer: A C E G I = 1 2 3 7 8

Step-by-step explanation: A C E G I K M O Q S U W Y AA AC AE AG AI AK AO AQ AU AW AY BA

5 0
3 years ago
I need an aesthetic for my animal crossing village, but I do not know what. Any ideas?
erastovalidia [21]

goo.gle aesthetic animal crossing ill bet you will will find something there

also just look for aesthetic stuff!

7 0
3 years ago
A tunnel is constructed with a semielliptical arch. The width of the tunnel is 60 feet, and the maximum height at the center of
rusak2 [61]

The height of the tunnel 5 feet from the edge is 13.82 feet option second 13.82 feet is correct.

<h3>What is an ellipse?</h3>

An ellipse is a locus of a point that moves in a plane such that the sum of its distances from the two points called focus adds up to a constant. It is taken from the cone by cutting it at an angle.

We have:

A tunnel is constructed with a semi-elliptical arch. The width of the tunnel is 60 feet, and the maximum height at the center of the tunnel is 25 feet.

2a = 60 (width of the tunnel is 60 feet)

a = 30

And the maximum height at the center of the tunnel is 25 feet

b = 25

Let's assume the center of the ellipse is at the origin.

So the equation of the ellipse:

\rm \dfrac{x^2}{30^2}+\dfrac{y^2}{25^2}=1

Now plug x = a - 5 = 30 - 5 = 25

\rm \dfrac{25^2}{30^2}+\dfrac{y^2}{25^2}=1

After solving:

\rm \dfrac{y^2}{25^2}=1-\dfrac{25}{36}

\rm y^2=\dfrac{6875}{36}

y = ±13.819 ≈ ±13.82

Height cannot be negative

y = 13.82 feet

Thus, the height of the tunnel 5 feet from the edge is 13.82 feet option second 13.82 feet is correct.

Learn more about the ellipse here:

brainly.com/question/19507943

#SPJ1

5 0
2 years ago
Please someone help me with this ASAP with the workout!!
Dvinal [7]

Answer:

71 degrees

Step-by-step explanation

From the triangle shown;

YX² = YZ² + XZ² - 2(YZ)(XZ) cos Z

28² = 25² + 23² - 2(25)(23) cos Z

784 = 625 + 529- 1150 cos Z

784 - 1154 = -1150cos Z

-370 = -1150cos Z

cos Z = 370/1150

cos Z = 37/115

cos Z = 0.3217

Z = arccos 0.3217

Z = 71.23

hence the measure of <Z is 71 degrees

8 0
3 years ago
Which expression is equal to 2x-17. A. -17+2x. B. -2x+17. C. -2x-17. D. 17+2x
Vilka [71]
-17+2x is equal to that
8 0
3 years ago
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