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Marina86 [1]
3 years ago
13

What multiplies to 20 and adds up to 9?

Mathematics
2 answers:
Karo-lina-s [1.5K]3 years ago
6 0
There are 4 and 5
4 *5 = 20
4+5 =9
Arturiano [62]3 years ago
4 0

Multiply the 4 and the 5 and you will get a result of 20.
4*5=20

Add the 4 and 5 and you will get a sum of 9

4+5=9

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Giving 100 points and giving brainlest
Greeley [361]

Answer:

7

Step-by-step explanation: (dont trust me)

x^2 + (7)x +18

x(x + 4) + 3(x + 6)

8 0
2 years ago
Read 2 more answers
Given: 2x + 11 = 15 Prove: x = 2 Statements Reason 1. 2x + 11 = 15 1. Given 2. 2x = 4 2. 3. X = 2 3. Division Property of Equali
wariber [46]

Answer:

Statements                       Reasons

1. 2x + 11 = 15                    1. Given

2. 2x = 4                            2. Subtraction Property of Equality

3. X = 2                              3. Division Property of Equality

Step-by-step explanation:

An equation can be solved and its solution proven using algebraic theorems and properties. To create a proof, form two columns. Label one side Statements and the other Reasons.

Begin your proof listing the any information given to you. List as the reason - Given.

Then list the next step which here would be to subtract by 11 on both side. The reason is Subtraction Property of Equality. Subtraction is the inverse of addition. Inverse axiom is another acceptable reason.

Then divide both sides by 2. The reason is Division Property of Equality or Inverse axiom once again. See the proof below.

Statements                       Reasons

1. 2x + 11 = 15                    1. Given

2. 2x = 4                            2. Subtraction Property of Equality

3. X = 2                              3. Division Property of Equality

6 0
3 years ago
Read 2 more answers
Use your calculator to work out this equation
alisha [4.7K]

Answer:

2.123842852 is the first answer

for part b it'll be 2.12

hope that helps

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is 2/5 divided by 4/3
Andrej [43]

Answer:

0.5333

Step-by-step explanation:

\frac{2}{5}  \div  \frac{4}{3}  \\   \\  \frac{2 \times 4}{5\times 3}  =  \frac{8}{15} \\   \\  \frac{8}{15}  = 0.5333

Please mark 2 brainliests because I need.

3 0
2 years ago
Jacob used 1/7 of a liter of water to fill 1/9 of the fish aquarium. How many liters of water are needed to fill the aquarium?
laila [671]
Jacob used 1/7 of a liter of water.
He needs to fill 1/9 of the fish aquarium.
Find how many liters would Jacob need to fill the aquarium
=> Let x = liters of water need to fill the aquarium
=> x/1 = 1/7 divided by 1/9
=> x = 1/7 x 9/1
=> x = 9/7, since this is an improper fraction, let’s convert it to mixed fraction
=> x  = 1 and 2/7
So, Jacob need 1 and 2/7 liter of water to fill the whole aquarium.



3 0
3 years ago
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