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Lady_Fox [76]
3 years ago
11

Luis rode his skateboard home from school at an average speed of 15 miles per hour. It took him 0.5 hours to get home. How far f

rom his home is Luis’s school?
Luis’s school is ____ miles from his home.
Mathematics
2 answers:
igomit [66]3 years ago
5 0

Answer:

Luis's school is 7.5 miles from his home.

Step-by-step explanation:

Serggg [28]3 years ago
4 0

Answer:

7.5 miles

Step-by-step explanation:

15 miles per hour

0.5 hours to get home

0.5 x 2=1

So, 15 divided by 2= 7.5

Luis's school is 7.5 miles from his home

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Select all expressions that are equivalent to 3x - 2 (x - 4) - 1
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Answer:

x+7

Step-by-step explanation:

Remove Parentheses

Collect like terms

Calculate

8 0
2 years ago
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Write an algebraic expression 3 more than twice a number​
kati45 [8]

Answer:

2x+3

Step-by-step explanation:

Let x be the number

twice a number

2x

3 more than

2x+3

5 0
3 years ago
Solve the system of elimination -2x+2y+3z=0 -2x-y+z=-3 2x+3y+3z=5
Dahasolnce [82]

Answer:

x = 1 , y = 1 and z = 0

Step-by-step explanation:

-2x+2y+3z=0    ------(1)

-2x-y+z=-3     --------(2)

2x+3y+3z=5    ---------(3)

<u>To find the values of x,y and z</u>

(3) - (2)⇒ 2y + 4z = 2

y + 2z = 1   --------(4)

(1) - (2)⇒ 3y +2z =3   ---(5)

(5) - (4)⇒ 2y = 2

y = 1

Substituting the value of y in (4) we get z =0

Substituting the value of y and z  in (1) we get x = 1

Therefore x = 1 , y = 1 and z = 0

5 0
3 years ago
In circle O, what is mArc A E?
posledela

Answer:

Option (3). 120° will be the answer.

Step-by-step explanation:

By using the theorem of secants intersecting externally,

Measure of angle formed by two secants, from a point outside the circle is half the difference of the measures of the intercepted arcs.

m∠C = \frac{1}{2}(m\widehat{AE}-m\widehat{BD})

36° = \frac{1}{2}(m\widehat{AE}-48)

72° = m\widehat{AE}-48°

m\widehat{AE} = 72 + 48

m\widehat{AE} = 120°

Therefore, Option (3) is the answer.

7 0
2 years ago
about travels in the following path. How far north did it travel? Round your answer to the nearest 10th of a mile
SCORPION-xisa [38]

Answer:

19.1 miles

Step-by-step explanation:

The situation given represents a right triangle.

Thus, we would use trigonometric function to find how far north the boat travelled.

Let's represent how far the boat travelled north with "x".

Thus:

Reference angle = 23°

Opposite = x

Adjacent = 45 miles

Apply TOA:

Tan 23° = Opp/Adj

Tan 23° = x/45

Multiply both sides by 45

45 × Tan 23° = x

x = 45 × Tan 23°

x = 19.1013667

x = 19.1 miles (nearest tenth of a mile)

5 0
2 years ago
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