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3 months ago

Dan drops his fishing lure 3 feet below the surface, raises it 1 1/2 feet, and then drops it 2 1/4 feet

Mathematics

1 answer:

grigory [225]3 months ago

5 0

Answer:

Decimal: 3.75 Fraction: 3 3/4

Step-by-step explanation:

3 - 1.5 = 1.5

1.5 + 2.25 = 3.75

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Two trains, Train A and Train B, weigh a total of 557 tons. Train A is heavier than Train B. The difference of their weights i

Mademuasel [1]

Answer:

A=464

B=93

Step-by-step explanation:

A+B=557

A-B=371

Solving the two equations simultaneously gives A=464 and B=93

4 0

2 years ago

I am one of the numbers represented on a number line when you divide the segment between -15 and 25 into 4 equal parts. I am pos

Aliun [14]

Answer:

2, 3, 5, 7, 11, 17, 19, 23

Step-by-step explanation:

The segment between - 15 and 25 has 40 numbers given by

25 - -15

= 25 + 15

= 40

Divided into 4 segments, each would contain 10 numbers such that the

1st segment is from -15 to -5 (which is -15 + 10)

2nd segment is from -5 to 5 (which is -5 + 10)

3rd segment is from 5 to 15 (which is 5 + 10)

4th segment is from 15 to 25 (which is 15 + 10)

Given that the unknown number is prime and positive this may be

2 or 3 or 5 from the 2nd segment

7 or 11 from the third segment

17 or 19 or 23 from the 4th segment

5 0

2 years ago

Which of these equations has a graph that is tangent to the x-axis at one of its intercepts? Choose all the polynomials that hav

malfutka [58]

An equation is tangent to the x-axis when it has an even number of a certain root. A root is a value of x that results to a value of y = 0.
The first equation has roots -3, and -3. The graph will be tangent to the x-axis along with third, the fourth, and the fifth equation by the same condition that they have roots with even multiplicity (repeated in an even number of ways).

7 0

2 years ago

Triangle DEF and triangle CBD are similar right triangles. What statement about the slopes DF and CD is true?

qaws [65]

Similar triangles may or may not have equal side lengths

The true statement is (a) the slope of DF is equal to the slope of CD

<h3>How to determine the slopes of DF and CD</h3>

The similar triangles are given as:

Triangle DEF and triangle CBD

The above means that the corresponding lines DF and CD have equal slope

The slope of segment DF is calculated as:

$m =\frac{7 - (-2)}{1 - (-2)}$