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alexdok [17]
3 years ago
9

Takashi ran 200 yards in 40 seconds Ana ran 150 yards in 25 seconds can u tell who runs faster without rewriting the rates expla

in why or why not (part A & part B)

Mathematics
2 answers:
Marina86 [1]3 years ago
7 0
150 is smaller than 200 so 25 is smaller than 40, but 25, in perspective to the numbers, is much smaller than 40. Ana is faster.

Check:

Takashi: 200 divided by 400 equals 5 yd/sec
Ana: 150 divided by 25 equals 6 yd/sec
Len [333]3 years ago
6 0
Well to solve this without actually writing therates, just by looking at the question, it should tell you that 150 yards in 25 seconds will be smaller than 200 yards in 40 seconds just by judging on the quantity of the numbers.
If you want to check then we can always divide
200/40 = 5/per yard
150/25= 6/per yard
WOW! This problem really stumped me. It's a great thing we did check or you would've got the answer wrong
(IN MATH, ALWAYS DO A CHECK! IT MAY SEEM LIKE A WASTE OF TIME BUT TRUST ME IT HELPS)
Hoped this helped and if it did press that Thanks button down there↘️
To show some ❤️
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elect the correct answer. graph A graph B graph C graph D A credit card company uses these rules to calculate the minimum amount
laila [671]

The graph that correctly shows the minimum amount due for a credit amount (x)  is graph B.

<h3>How to determine the graph with the minimum amount due?</h3>

First of all, we would assign a variable to the different amount of money as follows:

  • Let x be the credit amount.
  • Let y be the minimum amount due.

Translating the word problem into an algebraic expression, we have;

For a bill of less than $100, the entire amount is due:

0 ≤ x < $100, therefore, y = x

For a bill of at least $100 but less than $500, the minimum due is $100: $100 ≤ x < $500, therefore, y = 100

For a bill of at least $500 but less than $1,000, the minimum due is $300:

$500 ≤ x < $1000, therefore, y = $300

For a bill of $1,000 or more, the minimum due is $500:

Since the credit limit is equal to $2000, we have $1000 ≤ x < $2000 and y = $500

In conclusion, the graph that correctly shows the minimum amount due for a credit amount (x)  is graph B.

Read more on graphs here: brainly.com/question/16883029

#SPJ1

5 0
1 year ago
The company A produces products a, and the company B produces products b. It is known that 3 percent of companies that produce p
jeka94

Answer:

0.00183

Step-by-step explanation:

The two companies produce different products and the chance to go bankrupt will be different based on the product made. So, the probability of the company A and B to go bankrupt is independent.  

To find the answer of this question, we just need to multiply the probability to go bankrupt of each company. The calculation will be:

P(A=bankrupt) * P(B=bankrupt)= 3% * 6.1% =0.183%= 0.00183

5 0
3 years ago
Solve the system of equations by the substitution method.<br> y = 5x + 6<br> y=9x+7.
joja [24]

Answer:

(-1/4, 19/4)

Step-by-step explanation:

5x+6=9x+7

-4x=1

x= -1/4

y=5(-1/4) +6

y=19/4

3 0
2 years ago
Rational numbers are _____ natural numbers always sometimes never
m_a_m_a [10]
Sometimes.

This is because natural numbers are 1, 2, 3, 4, 5...
Rational numbers are all numbers that can be simplified into a fraction.
4 0
2 years ago
Read 2 more answers
Pleasssssssseeee help
astra-53 [7]
Rates like $ per channel is a slope, "m". The added fee is a constant so it's the intercept "b".
y = mx + b

So for the first problem (9)
(a)
y = total cost in dollars
x = number of premium channels
y = 16x + 44
(b) when x = 3 channels
y = 16(3) + 44
y = 92 $

the second problem (10)
(a) every 4 years the tree grows by 12-9=3 ft
So the unit rate or slope will be 3 ft per 4 yrs, (3/4). You can see this also by solving for slope "m" using the given points (4,9) and (8,12).

x = number of years
y = height of tree in ft
y = (3/4)x + b
use one of the points to find the y-intercept "b".

9 = (3/4)(4) + b
9 = 3 + b
9 - 3 = b
6 = b
y = (3/4)x + 6

(b) when x = 16
y = (3/4)(16) + 6
y = 12 + 6
y = 18 ft
5 0
3 years ago
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