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erastova [34]
3 years ago
5

A container of 45 brownies cost $6.47. A box of 30 cookies costs $5.29.

Mathematics
1 answer:
DENIUS [597]3 years ago
6 0

Answer:

one brownie is .14

one cookie is .17

Step-by-step explanation:

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Are the two triangle similar? Pls halp really not good at maths
vladimir2022 [97]
Yes hopefully this helps you
6 0
3 years ago
Sasha can run at an average speed of 934 9 3 4 min/mi. She runs at this speed for 6814 68 1 4 min. How many miles does Sasha run
lutik1710 [3]
I don't know what the spaces are meant for but I think that means 934 and 6814 only. Another point is, speed should be expressed in units of distance over time. So that would be miles/min.

So, distance could be calculated by multiplying speed and time.

d = 934 mi/min * 6814 min
d = 6,364,276 miles


8 0
3 years ago
The number of rainbow smelt in Lake Michigan had an average rate of change of −19.76 per year between 1990 and 2000. The bloater
mojhsa [17]
Let x =  number of years between 1990 and  2000.

Rainbow smelt:
Initial population = 227
Average yearly rate of change = -19.76
The linear function that models the population is
y₁ = 227 - 19.76x

Bloater fish
Initial population = 1052
Average yearly rate of change = -92.57
The linear function that models the population is
y₂ = 1052 - 92.57x

When the two populations are equal, then y₁ = y₂.
That is
227 - 19.76x = 1052 - 92.57x
(92.57 - 19.76)x = 1052 - 227
72.81x = 825
x = 11.33 years
   = 11 years, 0.33*12 months
   = 11 years, 4 months
Add x to 1990 to obtain the year April 2011.

Answer:
x = 11.33 years.
This occurs in April 2001.
5 0
3 years ago
Read 2 more answers
Suppose you have 30CD's. You know that you have 11 more CD's than your friend. Write and solve an equation to find the number of
Serga [27]

Answer:

30 - 11 = 19        19 CD's

Step-by-step explanation:


4 0
3 years ago
Read 2 more answers
Find mFE<br> A) 52°<br> C) 76°<br> B) 93°<br> D) 112°
mixer [17]

Answer:

76 degrees

Step-by-step explanation:

GE = 180 since it is a straight line

GE = GR + FE

180 = 7x+6 +6x-8

Combine like terms

180 = 13x-2

Add 2 to each side

182 = 13x

Divide by 13

182/13 = 13x/13

14 =x

We want FE

FE = 6x-8

FE = 6(14) -8

    =84 -8

    =76

3 0
3 years ago
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