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Yanka [14]
3 years ago
12

Tanisha rode her bike 19.625 miles in 2.5 hours. What was her average speed

Mathematics
2 answers:
otez555 [7]3 years ago
7 0

Answer:

7.85mph

Step-by-step explanation:

19.625mi / 2.5hr = 7.85mph

erik [133]3 years ago
6 0

Answer:

Step-by-step explanation:

I know that

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The length of a rectangular prism is 1.5 feet. Its width is 7 feet and its height is 6.2 feet. So the volume of the prism is 65.
Alexxandr [17]

7 * 6.2 * 1.5 = 65.1

the answer is True

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3 years ago
Whats the area of this tile
Alenkasestr [34]

Answer:

9

Step-by-step explanation:

3 times 3 is 9

4 0
2 years ago
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a cube is dilated by a scale factor of 3/4 to create a new cube. what is the surface area of the new cube.
jeka57 [31]

Answer:

9/16

Step-by-step explanation:

i took the test ;)

7 0
2 years ago
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Need help Asap thank you in advance
julia-pushkina [17]

Answer:

12x^4-20x^2+32x=4x(3x^3-5x+8)

Step-by-step explanation:

<u>Common Factors</u>

An algebraic expression that is formed by sums or subtractions of terms can be factored provided there are numeric or variable common factors in all the terms.

The following expression

Z=12x^4-20x^2+32x

Can be factored in the constants and in the variable x.

1. To find the common factor of the variable, we must locate if the variable is present in all terms. If so, we take the common factor as the variable with an exponent which is the lowest of all the exponents found throughout the different terms. In this case, the lowest exponent is x (exponent 1).

2. To find the common factors of the constants, we take all the coefficients:

12 - 20 - 32

and find the greatest common divisor of them, i.e. the greatest number all the given numbers can be divided by. This number is 4, since 12/4=3, 20/4=5 and 32/4=8

3. The factored expression is

Z=12x^4-20x^2+32x=4x(3x^3-5x+8)

\boxed{12x^4-20x^2+32x=4x(3x^3-5x+8)}

3 0
3 years ago
Answer and explanation please?
nignag [31]
The answer would be A. m= -3/5 and b=-4/5
"m= -5-1 divided by 7--3
or, -6/10
or, -3/5.

to find the (B)

<span><span>(-3,1). y=mx+b or 1=-3/5 × -3+b, or solving for b: b=1-(-3/5)(-3). b=-4/5.</span><span>(7,-5). y=mx+b or -5=-3/5 × 7+b, or solving for b: b=-5-(-3/5)(7). b=-4/5.</span></span>See! In both cases we got the same value for b. And this completes our problem.

<span><span>The equation of the line that passes through the points(-3,1) and (7,-5)is</span><span>y=-3/5x-4/5"</span>
Source: webmath</span>
5 0
3 years ago
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