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4 years ago

Need help one number 1 pls

Mathematics

1 answer:

True [87]4 years ago

6 0

If one memento = .1lb, how many mementos we need to have 11 lbs
m = 11/.1
m=110
So, 110 mementos will weigh 11 lbs

If one cloth = .5 lbs, how many pieces of clothes we need to have 11 lbs?
C =11/.5
C=22
So 22 pieces of clothes will weigh 11 lbs

To onboard,
Mementos + clothes should 30 pieces weighing 11 lbs in total.

Now we ask how many pieces of mementos = 1 lb? We ind out by dividing
110 mementos/11 lbs
Number of mementos we need to give us 1 1 lb

110/11 = 10 mementos

For clothes

22/11 = 2 clothes

So
10 pieces of mementos = 1 lb
2 pieces of clothes = 1 lb

Now in order to carry 30 pieces weighing 11 lbs combined, we need

10 mementos which total weight = 1 lb
20 clothes which total weight = 10 lbs
10+20=30 items and 1+10= 11 lbs

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28. sylvia researched changes in the deer population in her state's parks during her lifetime

kifflom [539]

Using an exponential function, it is found that it will take 24 years for the current population of 4800 deer to reduce to 600.

<h3>What is an exponential function?</h3>

An exponential function is modeled by:

$y = ab^x$

In which:

a is the initial value.

b is the rate of change, as a decimal.

In this problem, considering the initial value of 4800, and that the population halves every 8 years, the equation is given by:

$A(t) = 4800\left(\frac{1}{2}\right)^{\frac{t}{8}}$

The population will be of 600 when A(t) = 600, hence:

$A(t) = 4800\left(\frac{1}{2}\right)^{\frac{t}{8}}$

$600 = 4800\left(\frac{1}{2}\right)^{\frac{t}{8}}$

$\left(\frac{1}{2}\right)^{\frac{t}{8}} = \frac{600}{4800}$

$\left(\frac{1}{2}\right)^{\frac{t}{8}} = \frac{1}{8}$

$\left(\frac{1}{2}\right)^{\frac{t}{8}} = \left(\frac{1}{2}\right)^3$

Hence:

t/8 = 3.

t = 24.

It will take 24 years for the current population of 4800 deer to reduce to 600.

More can be learned about exponential functions at brainly.com/question/25537936

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3 0

2 years ago

What is the value of the square root of 36

irakobra [83]

6

Like how $6^{2}$ = 36

Square root does the opposite.

Edit: my mistake, it is 6

3 0

3 years ago

Read 2 more answers

Rhea got a new e-scooter. She wanted to show it to her friend on the way to the library.Her friend ronan's house is due north of

Zepler [3.9K]

The distance between rhea and her friend's house could be 8 km and The distance of the library from the rocks house could be 15 km.

<h3>What is Pythagoras' Theorem?</h3>

If ABC is a triangle with AC as the hypotenuse and angle B with 90 degrees then we have:

|AC|^2 = |AB|^2 + |BC|^2

where |AB| = length of line segment AB. (AB and BC are rest of the two sides of that triangle ABC, AC being the hypotenuse).

rhea got a new e-scooter. She wanted to show it to her friend on the way to the library.

Her friend Ronan's house is due north of her house.

After showing him the new scooter she went to the library which is due west from rocks house.

while returning back she drove 17km diagonally to her house.

By Pythagoras' theorem

|AC|^2 = |AB|^2 + |BC|^2

Here we can assume that

AB = The distance between rhea and her friend's house.

BC = The distance of the library from rocks house.

The triplet of the 17 would be (8, 15, 17)

So, we can say that the AB could be 8 km and BC could be 15 km or vice versa.

Learn more about Pythagoras' theorem here:

brainly.com/question/12105522

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7 0

2 years ago

Explain how u can use estimation to check that ur answer is reasonable

Pie

Do the opposite of the problem

6 0

3 years ago

2.0Plss solve for x...........................

Paul [167]

Answer:

x = - 7

Step-by-step explanation:

( x + 139 ) and 132 are vertically opposite angles.

Vertically opposite angles are equal,

x + 139 = 132

x = 132 - 139

x = - 7

7 0

3 years ago