MATHEMATICS HIGH SCHOOL

Maya makes 5 bracelets in 2/3 hour how many can she make in 1.5 hours How many bracelets does Maya braid in 1 1/2 b hours?

Answers

Answer 1

Answer:

If Maya makes 5 bracelets in 2/3 hours, then she can make approximately 11 bracelets in 1.5 hours.

How many bracelets can Maya braid in 1.5 hours?

Given the parameter:

Maya makes 5 bracelets in 2/3 hours.

How many can she make in 1.5 hours?

To determine the number of bracelets Maya can make in 1.5 hours, we can set up a proportion.

Let 'x' be the number of bracelets in 1.5 hours

(5 bracelets) / (2/3 hour) = (x bracelets) / (1.5 hours)

Solve for x:

x × 2/3 = 5 × 1.5

x × 2/3 = 5 × 3/2

2x/3 = 15/2

2x × 2 = 3 × 15

4x = 45

x = 45/4

x = 11.25

x ≈ 11 bracelets

Therefore, she can make approximately 11 bracelets in 1.5 hours.

Learn more about proportions at :brainly.com/question/29774220

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Carol and Jan leave from the same place and travel on the same road going the same direction. Carol walks at a rate of 2 miles per hour. Carol left 5 hours earlier than Jan, but Jan rides a bike at a rate of 6 miles per hour. How far did the travel when Jan caught up to Carol?
For a standard normal distribution, which of the following expressions must always be equal to 1?A) P(z≤-a)-P(-a≤z≤a)+P(z≥a) B) P(z≤-a)-P(-a≤z≤a)+P(z≥a) C) P(z≤-a)+P(-a≤z≤a)-P(z≥a) D) P(z≤-a)+P(-a≤z≤a)+P(Z≥a)
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What is the absolute value of -10
Simplify the expression as much as possible: 6(31/5)(21/3)=

Suppose that a family wants to start a college fund for their child. If they can get a rate of 5.5% , compounded monthly, and want the fund to have a value of $35,450 after 20 years, how much should they deposit monthly? Assume an ordinary annuity and round to the nearest cent.

Answers

Answer:

They should deposit $81.38 monthly.

Step-by-step explanation:

We know that,

$\text{FV of annuity}=P\left(((1+r)^n-1)/(r)\right )$

where,

FV of annuity = $35,450

P = monthly payment,

r = rate of interest = 5.5% annually = $(5.5)/(12)\%$

n = number period = 20 years = 240 months

Putting all the values,

$\Rightarrow 35450=P\left(((1+(0.055)/(12))^(240)-1)/((0.055)/(12))\right )$

$\Rightarrow P(35450)/(\left(((1+(0.055)/(12))^(240)-1)/((0.055)/(12))\right ))$

$\Rightarrow P=\$81.38$

Therefore, they should deposit $81.38 monthly.

In 20 years a family will be able to earn 35 450 dollars. The interest that they earned is 5.5% compounded monthly. Now, let's find out how much will they need to save monthly to get this amount in 20 year:
=> 12 * 20 = 240 months
=> 35 450 / 240 months = 147.7 dollars per month is the money with interest
Let's subtract the interest
=> 147.7 * 0.055 = 8.1 dollars.
=> 147.7 - 8.1 = 139.6 dollars per month.

Find the product (3+2i)(4+i)

Answers

Answer: $10+11i$

Step-by-step explanation:

Multiply each term inside the brackets and be aware that $i$ is just $\sqrt-1}$ . So, we are given $(3+2i)(4+i)$ :

Lets start by multiplying the outer term :

$3*4=$ $12$

Now first inner :

$3*i$ $=3i$

Now second inner :

$4*2i$ $=8i$

Now last :

$2i*i$ $=2i^2$

Now, we must simplify the last term while keeping in mind $i$ is just $\sqrt-1}$ :

$2i^2=2√(-1) ^2 = -2$

Now add up all like terms :

$(12+(-2))+(3i+8i) = 10+11i$

And that's it!

[71 – (8 2+ 5)] (2 + 3)+ 7 × [2 × (7 3+ 17)] – 72 [40 + (4 2– 6)] (5 – 3)+ 3 × (1 + 4 3– 15) – 150

Answers

Answer:

Step-by-step explanation:

2(3)+8. =6 + 8. = 35 x 102. = 3.5 x 10-1. 3.5 x 10". = 14 ... Substitute b with – 3 and solve. 3). A. 783. 5(-3)2-2(-3)+1. =5(9)+6+1. =45+7. =52 ... (4 – 5x) – (3 – 2x). (4 – 5x)+(-3+ 2x). _+(4 – 5x). +(-3+2x). 1- 3x. to solve. ... (3r' -5+2x). “ - [(7x² +5)– (4x' – 5x)]. – L(7x² +5)– (4x' – 5x). =-|(7x² + 5) – 4x² + 5x].

What is the value of the expression |x| + |y + z| when x = –6, y = –3, and z = –5?

Answers

|-6|+|-3+-5|

|-6|+|-3-5|

6+|-8|

6+8

= 14

I hope that's help !

A balloon has a circumference of 28 in. Use the circumference to approximate the volume of the balloon to the nearest square inch.Answer choices:
3,659 in ^3
11,488 in ^3
2,964 in ^3
944 in ^3

Answers

the correct question is
a) A balloon has a circumference of 28 in. Use the circumference to approximate the volume of the balloon to the nearest cubic inch.

or

b) A balloon has a circumference of 28 in. Use the circumference to approximate the surface area of the balloon to the nearest square inch.

case a)
we know that
circumference=2*pi*r
clear variable r
r=circumference/(2*pi)
circumference=28 in
r=28/(2*pi)----> r=4.46 in

volume of a balloon=(4/3)*pi*r³-----> (4/3)*pi*4.46³----> 371.61 in³
Volume=372 in³

the answer is
372 in³

case b)
we know that
circumference=2*pi*r
clear variable r
r=circumference/(2*pi)
circumference=28 in
r=28/(2*pi)----> r=4.46 in

surface area of a balloon=4*pi*r²-----> 4*pi*4.46²---> 249.83 in²
Surface area=249.83 in²-------> 250 in²

the answer is
250 in²

Have you ever worked with variables? Algebra is a branch of mathematics that specifically deals with the idea of using variables to solve problems. What kinds of problems have you already solved using variables? Do you know any real-life applications for variables?Think about the numbers you encounter in the world around you. Do you understand what they really mean? Interactions at grocery stores, gas stations, and online shopping commonly involve numbers. These interactions can be better understood using algebra. Is there anything you don’t know involving numbers that you wish you better understood?

Answers

Answer:

Well, I think we all worked with variables, but don't realise about it, because when people see these terms ''variable'', ''algebra'', they freak out.

The reality is that variables are everywhere, they are all those stuff that can variate: weigh, highness, money, population, interests, and so on.

A common problem I solved using variables is measuring time. For example, when I'm going to school I tend to calculate the time of my way.

Well, whenever you are playing a sport many things causes you to consider the variables. That is the first variable that popped in my head.

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