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garik1379 [7]
2 years ago
8

Kayla runs 3/4 mile in 1/10 hour assuming she runs at a constant rate what is her speed in miles per hour

Mathematics
1 answer:
Vanyuwa [196]2 years ago
8 0

Answer:

7.5 miles per hour

Step-by-step explanation:

Given: Kayla runs 3/4 mile in 1/10 hour assuming she runs at a constant rate

To find: speed in miles per hour

Solution:

Distance travelled by Kayla = \frac{3}{4} mile

Time = \frac{1}{10} hour

To find the speed in miles per hour, use the following formula:

Speed = Distance ÷ Time = \frac{\frac{3}{4} }{\frac{1}{10} }=\frac{3}{4}(10)=7.5 miles per hour

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If the lengths of two sides of a triangle are 3 and 12, which could be the length of the third side?
Ierofanga [76]

Answer: 1st is if it’s 2 legs second is if it’s a leg and hypotenuse

Step-by-step explanation:

6 0
2 years ago
kims age is twice of her sister when you add to her sisters age you get 3 how old is each sister (a) write an equation that repr
Lina20 [59]
Kim is 2. Her sister is 1 years old. 2+1=3
6 0
3 years ago
(x + 5 1/2) 0.75= 5/8 What is x?
swat32
<span>(x + 5 1/2) 0.75= 5/8<span>
Convert 0.75 into a fraction
</span></span><span>(x + 5 1/2) 3/4= 5/8
Use distributive property
3/4x + 5 1/2*3/4 = 5/8
Convert 5 1/2 into improper fraction
3/4x + 11/2*3/4 = 5/8
Multiply
3/4x + 33/8 = 5/8
Subtract 33/8 from both sides
3/4x = 5/8 - 33/8
Subtract the numerators but NOT the denominators
3/4x = -28/8
Divide 3/4 on both sides
x = -28/8 divided by 3/4
Convert the division sign to multiplication while flipping the fraction 3/4 to 4/3
x = -28/8 * 4/3
Multiply
Final Answer: x = -112/24 or -4 16/24 or -4 4/6 or -4 2/3 *All answers are equivalent to each other.</span>
7 0
2 years ago
The high temperature was recorded as 25.6°F. The low temperature that same day was recorded as −2.7°F. What was the difference b
VMariaS [17]

28.3

Step-by-step explanation:

the difference is the answer to a subtraction problem so we can plug in our numbers like this

25.6-(-2.7) which equals 28.3

a good thing to remember when subtracting negative numbers is that a positive and negative won't always make a negative like in this example

4 0
2 years ago
Complete the equation for the standard form of the line that has an x-intercept of -5 and a y-intercept of -4.
Verdich [7]

Answer:

Intercept form     \frac{x}{-5} + \frac{y}{-4} = 1

The standard form of the equation of the line

   4 x + 5 y +20 =0

Step-by-step explanation:

<u><em>Explanation</em></u>

Given that x-intercept (a) = -5

and y-intercept (b) = -4

Intercept form

                 \frac{x}{a} + \frac{y}{b} = 1

                \frac{x}{-5} + \frac{y}{-4} = 1

          ⇒   \frac{4x+5y}{-20}  = 1

                4 x + 5 y = -20

<u><em>Final answer:-</em></u>

The standard form of the equation of the line

               4 x + 5 y +20 =0

7 0
2 years ago
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