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3 years ago

2. Oscar rides his skateboard 5/8 mile in 1/4 hour. How fast, in miles per hour, does he ride his skateboard?

Mathematics

2 answers:

sveta [45]3 years ago

4 0

Answer:

2 1/2 miles per hour

Step-by-step explanation:

To find the rate, take the distance and divide by the time 5/8 miles÷ 1/4 hour Copy dot flip 5/8 * 4/1 5/2 miles per hour 2 1/2 miles per hour

taurus [48]3 years ago

3 0

Answer:

He rides 2 miles 4/8 or a half an hour

Step-by-step explanation:

Please thank me

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Given the following function, find f(-4), f(0), and f(3).

shutvik [7]

You plug in the given value for x.

F(-4)=(-4)2-4
F(-4)=-8-4
F(-4)=-12

F(0)=(0)2-4
F(0)=0-4
F(0)=-4

F(3)=(3)2-4
F(3)=6-4
F(3)=2

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3 years ago

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This is easy but i need help on it

Murljashka [212]

A is a function

To represent a function each value from the input (x ) can only map to exactly one value in the output (y)

In B

x = 3 → y = 10/ 30 ← 2 values of y

In C

x = - 5 → y = 2/ 3 ← 2 values of y

x = - 10 → y = 4/ 5 ← 2 values of y

In D

x = 20 → y = 25/ 35 ← 2 values of y

A is the only table where each value of x maps to exactly one value in y

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3 years ago

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Here ya go these are the ones i need help with :)

r-ruslan [8.4K]

1) Division Property Equality
$8D = 56$
first pass: Simplify by 8
$\frac{8D}{8} = \frac{56}{8}$
second pass: Now divide the equals
 $1D= 7$
$D = \frac{7}{1}$
$\boxed{D = 7}$

2) Addition Property of Equality
$Z - 9 = 21$
first pass: Incognito on the left and numbers without incognito on the right, changing signs if they change sides.
 $Z = 21 + 9$
second pass: Do the addition
$Z = 21 + 9$
$\boxed{Z = 30}$

3) Subtraction Property of Equality
$B + 7 = 15$
first pass: Incognito on the left and numbers without incognito on the right, changing signs if they change sides.
$B = 15 - 7$
second pass: Do the subtraction
$B = 15 - 7$
$\boxed{B = 8}$

4) Multiplication Property of Equality
 $\frac{3}{7} C = 126$
first pass: Multiply the equalities by the inverse of the incognito, without the incognito
 $( \frac{7}{3}) *\frac{3}{7} C = 126*( \frac{7}{3})$
$\frac{21}{21} C = \frac{882}{3}$
second pass: Cancel the same terms and divide the ratio.
 $\frac{\diagup\!\!\!\!\!21}{\diagup\!\!\!\!\!21} C = \frac{882}{3}$
$C = \frac{882}{3}$
$\boxed{C = 294}$

5) Distributive Property
first pass: We only evaluate what is in the parentheses first and then we solve it.
 $7(A+13)$
second pass: we just evaluate what’s in the parentheses first, then solve it. We have a distributive property, with the distributive property, we multiply the '7' first.
$7*A + 7*13$
$7A + 91$

Obs: This question is not to find the value, only to show the distributive property.

For better understanding and solve your question with equation with incognito, after the distributive property, equalize the terms to zero, then isolate the terms, putting numbers with incognito on the left and numbers without incognito on the right, changing the signal as they change sides. And then solve by finding the value of the incognito dividing the terms.
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4 years ago

-15 POINTS PLS HURRY- Write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator. 4.5 c

makkiz [27]

Hi there! :)

Answer:

$\huge\boxed{\frac{9cm}{8cm}}$

We can disregard the units temporarily to create a ratio for 4.5 to 4:

4.5 is not a whole number- we can convert this number in the ratio to a whole number by multiplying both numbers by 2:

2 · (4.5 : 4) = 9 : 8

Express as a fraction:

$9cm : 8cm = \frac{9cm}{8cm}$

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antiseptic1488 [7]

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3 years ago

2. Oscar rides his skateboard 5/8 mile in 1/4 hour. How fast, in miles per hour, does he ride his skateboard?​

2. Oscar rides his skateboard 5/8 mile in 1/4 hour. How fast, in miles per hour, does he ride his skateboard?