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maks197457 [2]
3 years ago
8

A boxer is put on a diet to gain 20 lb in four weeks. The boxer gains 4 1/3 lb the first week and 5 5/6 lb the second week. How

much weight must the boxer gain during the third and fourth weeks in order to gain a total of 20 lb? _____ lb?
Mathematics
1 answer:
V125BC [204]3 years ago
7 0

Answer:

9.8 lbs

Step-by-step explanation:

4 1/3 + 5 5/6= 10 1/6

20 - 10 1/6 = 9.8

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Jason puts 500$ in a savings account at an annnual interest rate of 3% if he does not put money in or take money out what is the
tangare [24]

Answer:

$500.1

Step-by-step explanation:

Step one:

principal= $500

rate= 3%

time 8 months

Required

The  final amount

Step two;

simple interest= PRT/100

SI= (500*0.03*8/12)/100

SI=10/100

SI=0.1

The final amount is

Amount= 500+0.1

Amount= $500.1

5 0
3 years ago
he measurements of two sides of a triangle are 4 cm and 20 cm. What could be a measurement of the third side of the triangle?
hodyreva [135]

Answer:

80

Step-by-step explanation:

every triangle adds up to 180 sort of, in this case, turn 4 into 40. 40+20=60 so add 80 to be 180!!!

4 0
3 years ago
Factor each by using the GCF.<br> a) 36x+81 b) 24a+36
nydimaria [60]

The Greatest Common Factor (GCF) is very important when factoring. Later on, you will forget to pull out a GCF and the answer will be wrong. Always look for a GCF before doing anything.

Let's try factoring these:

a.) 36x+81

The greatest common factor of this expression is 9, because it is the maximum number that both can go into. Let's solve.

9(4x+9)

This is the simplest this expression can get. This would be your final answer. Let's try the other one.

b.) 24a+36

The GCF of this one is 12. Let's simplify it.

12(2a+3)

This is also the simplest you can get it. You can do nothing further. So, your final answers are:

a.) 9(4x+9)

b.) 12(2a+3)

5 0
4 years ago
Read 2 more answers
Complete the steps to find all zeroes of the function f(x) = x4 − 4x3 − 4x2 + 36x − 45. This function has roots.
xxTIMURxx [149]
Steps?

A graph shows zeros to be ±3. Factoring those out leaves the quadratic
  (x-2)² +1
which has complex roots 2±i.

The function has roots -3, 3, 2-i, 2+i.

7 0
3 years ago
Read 2 more answers
Given the following formula, solve for a.
Elena L [17]

Answer:

A. a = 2s - b -c

Step-by-step explanation:

Rearrange the equation in a way that you have only a on one side. When solving equations you can add, subtract, multiply or divide by the same number/variable/expression on the both sides.

s = \frac{a + b + c}{2}

Multiply by 2 to get rid of the fraction.

s \cdot 2 = \frac{a + b + c}{2} \cdot 2

On the right side the 2 cancels out:

s \cdot 2 = a + b + c

On the right side next to a are still b and c. But we want a alone. Subtract b.

s \cdot 2 - b = a + b + c - b

b - b on right side gives 0.

s \cdot 2 - b = a + c + 0

The step above is usually skipped, because number + 0 = number.

s \cdot 2 - b = a + c

Next to a there is still c. Subtract c.

s \cdot 2 - b - c = a + c - c

c - c on the left is 0.

s \cdot 2 - b - c = a

So our answer is:

s \cdot 2 - b - c = a

It can be rewritten to (change sides):

a = s \cdot 2 - b - c

And s · 2 can be rewritten to 2s:

a =  2s - b - c

5 0
2 years ago
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