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tensa zangetsu [6.8K]
2 years ago
14

Select ONE of these problems to solve. STAR the problem and then write the expression first. After you write the expression, sol

ve it.​

Mathematics
2 answers:
Gwar [14]2 years ago
6 0
An expression that represents the total calories for ‘n’ Big Macs is:
550n
Use the expression to solve the total calories in 17 Big Macs:
550(17) = 9350

THEREFORE, there are 9350 calories in 17 Big Macs.
saw5 [17]2 years ago
5 0
550n is the expression which shows the total calories for ‘n’ Big Macs.


The answer is 9350


Solution:

If there are 550 calories in a McDonald’s Big Mac, this means that there are 9350 calories in 17 Big Macs.

550 x 17 = number of calories in 17 Big Macs/ 9350 calories

Hopes this answers your question :)
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Find f(x) and g(x) so that the function can be described as y= f(g(x)) y=9/x^2 + 2
fgiga [73]
\left[y \right] = \left[ 0\right][y]=[0] I hope helping with u
6 0
3 years ago
A plane is descending into the airport. After 5 minutes it is at a height of 6500 feet. After 7 minutes it is at a height of 590
Jet001 [13]

Let's assume

height of plane  in feet =h

time in minutes =t

we are given

A plane is descending into the airport. After 5 minutes it is at a height of 6500 feet

so, we get one point as (5,6500)

After 7 minutes it is at a height of 5900 feet

so, we get another point as (7,5900)

we can use point slope form of line

y-y_1=m(x-x_1)

points as

(5,6500)

x1=5, y1=6500

(7,5900)

x2=7 , y2=5900

Calculation of slope(m):

m=\frac{y_2-y_1}{x_2-x_1}

now, we can plug values

m=\frac{5900-6500}{7-5}

m=-300

Equation of line:

we can use formula

y-y_1=m(x-x_1)

we can plug values

h-6500=-300(t-5)

h=-300t+8000

Time of landing:

we can set h=0

and then we can solve for t

h=-300t+8000=0

t=\frac{80}{3}min..............Answer

5 0
4 years ago
A plane flies at a steady rate of 40 mph while a second plane flies at a steady rate of 100 mph. The planes are 200 miles apart
malfutka [58]

Answer:

The time the two planes will meet is 1.43 hours

Step-by-step explanation:

Given;

speed of the first plane in positive direction, = 40 mph

speed of the second plane in negative direction(opposite direction) = -100 mph

distance between the two planes = 200 miles

Let the time the two planes will meet = t

the position of the first plane at this time "t" = 40t

the position of the second plane at this time "t" = -100t

(40t)>--------------------------------<(-100t), this space between them is 200 miles.

Thus, the difference in the distance they traveled before meeting should be equal to 200 miles.

40t - (-100t) = 200

40t + 100t = 200

140t = 200

t = 200 / 140

t = 1.43 hours

Therefore, the time the two planes will meet is 1.43 hours

6 0
3 years ago
7 Movie tickets cost $ 42. At this rate, what is the cost per ticket?
ioda
1.) $6 per ticket (42 divided by 7)
2.) $3.60 (8.40 divided by 7 is 1.20, 1.20x3=3.60)
3.) $1.10 (7 divided by 7 is .22, .22x5=1.10
that’s all i’m answering cuz ur only giving 5 points for 5 questions lol no
6 0
3 years ago
Read 2 more answers
Jerry and his two friends are going to bake cookies for a fundraiser. They need to bake 369 cookies in all. Use a model to find
oksano4ka [1.4K]

Answer:

121 cookies each.

Step-by-step explanation:

Jerry=1, plus 2 friends, that's 3 people, divide 369 by 3, since they all go into each other.

3 0
3 years ago
Read 2 more answers
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