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alukav5142 [94]
4 years ago
10

From a point on a straight​ road, Marco and Celeste ride bicycles in the same direction. Marco rides at 14 mph and Celeste rides

at 18 mph. In how many hours will they be 25 mi​ apart?
In ___hours they will be 25 mi apart
Mathematics
1 answer:
Ksju [112]4 years ago
7 0

their relative speed is 4 mph. so we put

4 mph = (25 mi)/x => x=25/4.

You might be interested in
In the function y = -5x2 + 5 , the graph will open down, be shifted up 5 units, and it will be wider than the parent function y
masya89 [10]
We are considering the function y=f(x)=-5 x^{2} +5

the graph of this function is the graph of the parent function y=g(x)= x^{2} after applying the following steps.

1. multiply by -1:

-x^{2} is x^{2} reflected with respect to the x-axis.


2. multiply by 5:

-5x^{2} is -x^{2} shrinked towards the y axis. 

for example, consider x=1/2

 -5x^{2}=-5( \frac{1}{2} )^{2}=-5* \frac{1}{4}= \frac{-5}{4}=-1.25

 -x^{2}=- ( \frac{1}{2} )^{2}=- \frac{1}{4}=-0.25

now this means that -5x^{2} is "lower" than -x^{2}, which means there is a shrinking of the graph.

3. add 5:

-5 x^{2} +5 is -5 x^{2} shifted 5 units up.


4.

so the graph of the function a) opens down, b) is shifted 5 units up, c) is not wider than the parent function



Answer: False
6 0
4 years ago
Oliver planted four strawberry plants in his home garden. By the end of the first summer, all four plants each produced and deve
sattari [20]

Answer:

128

Step-by-step explanation:

4 x 2 = 8

8 x 2 = 16

16 x 2 = 32

32 x 2 = 64

64 x 2 = 128

By the 5th summer he would have 128 plants. n = p x 2

n = plants at the end of summer

p = plants at beginning of summer

6 0
3 years ago
How do i solve this​
NISA [10]
Both angles equal 73, according to the vertical angle conjecture. To solve for x:

(1+2x)=73
2x=72
x= 36
3 0
3 years ago
3. Represents the sets with a Venn diagram: U = {1,2,3,4,5,6,7,8,9, 10, 11, 12} A = {1,2,3,4,6, 12} B = {1,2,4,8}
damaskus [11]

Answer:

See explanation and picture attached

Step-by-step explanation:

A set can be described by<em> listing all of its elements</em>.  

For example, A = { 2, 4, 6, 8}, which we read as  

“A is the set whose elements are 2, 4, 6 and 8”.  

The four elements of the set are separated by commas, and the list is enclosed between curly brackets.  

A <em>set can also be described by writing a description of its elements</em> between curly brackets.  

Thus the set A above can also be written as  

A = { even natural numbers less than 9 }, which we read as  

“A is the set of even natural numbers less than 9”.  

A set can also be described graphically by using Venn diagrams, which are simply circle shaped drawings showing the elements inside.

In our case U={1,2,3,4,5,6,7,8,9,10,11,12} A={1,2,3,4,6,12} B={1,2,4,8}

See picture attached for the answer.

8 0
3 years ago
Which location correctly describes the location of -34 on the number line
dimaraw [331]
Do you have any answer choices?

6 0
4 years ago
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