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Bingel [31]
2 years ago
5

Someone help me with this

Mathematics
2 answers:
Law Incorporation [45]2 years ago
7 0

Answer:

Tuesday and Wednesday

Bogdan [553]2 years ago
4 0

Answer:

Tuesday and Friday

Step-by-step explanation:

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A construction crew is lengthening a road that originally measured 47 miles. The crew is adding one mile to the road each day. L
Dmitry_Shevchenko [17]

Answer:

78 miles

Step-by-step explanation:

Given that:

Original length, L = 47 miles

Additional length (miles) added per day, = 1 mile

Representing as an equation :

L(D) = original length + additional length per day * number of days

Let, D = number of days

L(D) = 47 + D

Length after 31 days :

L(31) = 47 + 31

= 78 miles

3 0
3 years ago
Solve the following quadratic equation by rearranging and then factorising x^2 + 3x - 15 = 2x - 13
NNADVOKAT [17]

Step-by-step explanation:

x² + 3x - 15 = 2x - 13

x² + x - 2 = 0

(x + 2)(x - 1) = 0

By zero product rule, (x + 2) = 0 or (x - 1) = 0.

Hence x = -2 or x = 1.

7 0
2 years ago
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juin [17]

Answer:

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6 0
2 years ago
At mcdonalds you can order mcnuggets in boxes 6,9, or 20. by ordering 2 boxes of 6 you can get twelve. butyou cant get 13, since
Vinil7 [7]
That would be 19. I belive this bc 9 plus 9 is 19 and no matter what combination of boxes you will not have 19 chiken nugets
8 0
3 years ago
The base of 40-foot ladder is 8 feet from the wall. How high is the ladder on the wall (round to the nearest foot)
Nina [5.8K]

Given:

The base of 40-foot ladder is 8 feet from the wall.

To find:

How high is the ladder on the wall (round to the nearest foot).

Solution:

Ladder makes a right angle triangle with wall and ground.

We have,

Length of ladder (hypotenuse)= 40 foot

Base = 8 foot

We need to find the perpendicular to get the height of the ladder on the wall.

Let h be the height of the ladder on the wall.

According to the Pythagoras theorem,

Hypotenuse^2=Base^2+Perpendicular^2

(40)^2=(8)^2+(h)^2

1600=64+h^2

1600-64=h^2

1536=h^2

Taking square root on both sides.

\pm \sqrt{1536}=h

\pm 39.1918358=h

Height cannot be negative. Round to the nearest foot.

h\approx 39

Therefore, the height of the ladder on the wall is 39 foot.

5 0
3 years ago
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