Brody wants to build a model ship. He has already saved $30 for the materials and plans. The materials costs $24.89 and the plans cost $8.29. Brody says he has to save $5.11 more to pay for the materials and plans.

Which explanation explains whether Brody is correct or not?

A.
Brody is correct.

Estimation: 30.00 – 8.29 is about 22.
$22 + $25 = $47.
Brody needs to save about $47 more.

B.
Brody is not correct.

Estimation: 24.89 – 8.29 is about 17.
$30 – $17 = $13.
Brody needs to save about $13 more.

C.
Brody is not correct.

Estimation: 24.89 + 8.29 is about 33.
$33 – $30 = $3.
Brody needs to save about $3 more.

Answers

Answer 1
Answer: The correct answer is C., because they did the steps correctly.

A is not right because you're not supposed to add the cost ( $25 ) to the money saved for the expenses. ( it would be $22 since you already minus out the 8.29 cost )

B is also not correct because you do not subtract the cost from another cost. ( 24.89 - 8.29 )

Hope I helped!


Answer 2
Answer:

Answer:

i think the answer is c hope this helps


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Help with radicals, questions down in attachments.

Answers

we can't solve first 2 because of missing diagramd
but, longest side=hypotonuse=c
other 2 sides=legs=a and b
a^2+b^2=c^2
\sqrt{a^(2)+b^(2)}=c

last 2
1.
remember that
longest side<sum of other 2 sides or else you can't make a traignel
5+7=12
12<13
13 is longest side
13<12 is false
therefor it is false that it is a triangle
not a triangle


2.
\sqrt{ (x)/(y) } = ( √(x) )/( √(y) ) so
\sqrt{ (20)/(7) } = ( √(20) )/( √(7) ) =(4√(5) )/(√(7) )
rationalize denomeator by multplying by ( √(7) )/( √(7) )

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What is 25% of 860 i remember percentages just need touch up how to do them

Answers

The thing you need to remember is that 25% means 0.25 .
That's the whole problem.  The rest is easy.

0.25 x 860 = 215
To find 25% of something you have to divide it by 4. So 860 divided by 4 = 215
Hope this helped! :)
Remember:
100% = 1 = 1
75% = 3/4 = 0.75
50% = 1/2 = 0.5
25% = 1/4 = 0.25
10% = 1/10 or 10/100 = 0.1
1% = 1/100 = 0.01

What is the missing number for n 31.53=62.4?

Answers

76876658765698608768

Phil deposited $1,000 in a savings account. how much will he have in his account in two years if his account is compounded annually at a 2% interest rate?

Answers

$1400
.................

Answer:

I chose the same answer give the dude a round of applouse

Step-by-step explanation:

What is the answer of this equation

Answers

Put it in an improper fraction by multiply the coefficient with the denominator and add the numerator.
5/2 , 14/3
Find a common denominator which would be 6.
5/2 = 15/6 , 28/6
Add those together.
15/6 + 28/6 = 43/6
Since it can't be simplified the answer is 43/6

How do you write(−∞,8),(10,∞),as an inequality? A. x < 8 or x > 10
B. x < 10 or x > 8
C. x < 8 and x > 10
D. x < 10 and x > 8

Answers

Answer:

The answer is the option A

x< 8 or x>10

Step-by-step explanation:

we know that

The interval -----> (-∞,8)

Is all real numbers less than 8

x<8

The interval -----> (10,∞)

Is all real numbers greater than 10

x>10

The expression (-∞,8) U (10,∞) represent the inequality

x< 8 or x>10

see the attached figure to better understand the problem

(−∞,8),(10,∞) is equal to x < 8 οr x > 10