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Zielflug [23.3K]
3 years ago
11

A train left for Miami, and 6 hours later, a car traveling 79 mph tried catching up to the train. After 7 hours, the car caught

up. What was the train's average speed?
Mathematics
1 answer:
nikdorinn [45]3 years ago
5 0

Answer: 121 mph

Step-by-step explanation: First, I did 6 x 7, and I got 42. Then I did 42 + 79, and I got 121 mph as my answer.

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A greeting card uses a geometric design containing 4 congruent kites. The card is 4 inches wide and 8 inches long. What is the a
Gnom [1K]

Answer: 4 sq. in

Step-by-step explanation:

From the question, the card is 8 inches long. Therefore, the length of the vertical diagonal of 1 kite + the length of the vertical diagonal of other kite = 8

Since we have been told that the kites are congruent, therefore the length of the vertical diagonal of both kites will be thesame

Therefore, 2(length of the vertical diagonal of 1 kite) = 8

Therefore, the length of the vertical diagonal of 1 kite will be= 4 inches

The width of the card = 4 inches

Therefore, the length of the horizontal diagonal of 1 kite + the length of the horizontal diagonal of another kite =4

Since the kites are congruent, therefore, the length of the horizontal diagonal of both kites are the same

Therefore, 2(length of the horizontal diagonal of 1 kite) = 4

Therefore, the length of the horizontal diagonal of 1 kite will be= 2 inches

Therefore, the length of the vertical diagonal of the kite= 4 inches and the horizontal diagonal= 2 inches

So, Area of kite = pq/2

Where p and q are diagonals of kite

Area of kite = (4×2)/2

=8/2

= 4 inches square

3 0
3 years ago
Read 2 more answers
I need help lol last one
Andrei [34K]

Answer:

x= 19

If you need help with more, I'm more than happy to help you.

6 0
3 years ago
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Enter the degree of the polynomial below.<br> 5,5 + 8,2 + 2x - 319 - 8x1 -4,5
Stolb23 [73]

Based on the given polynomial, the degree of the polynomial can be calculated to be 1.

<h3>what is the degree of the polynomial?</h3>

the degree of the polynomial is defined as the highest exponential degree or power in a polynomial.

from the above, we see that the highest power is 1 from 8x¹.

the degree of the polynomial is therefore 1.

find out more on the degree of the polynomial at brainly.com/question/2263735.

#SPJ1

5 0
1 year ago
The question is find x
Allushta [10]

Answer:

x = 8

Step-by-step explanation:

Since the triangles are similar then the ratios of corresponding sides are equal, that is

\frac{BC}{EF} = \frac{CD}{FG}

Note that ΔBCD is a 3- 4- 5 triangle ( Pythagorean triple), hence CD = 4

Substitute given values into the equation

\frac{3}{6} = \frac{4}{x} ( cross- multiply )

3x = 24 ( divide both sides by 3 )

x = 8

8 0
3 years ago
From a boat on the lake, the angle of elevation to the top of a cliff is 24°19 If the base of the cliff is 2994 feet from the bo
loris [4]

Answer:

Answer is C 1353

Step-by-step explanation:

6 0
3 years ago
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