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3 years ago

Evaluate the following expression if a=3 and b=4.5. 5a-2b=?

Mathematics

2 answers:

Elodia [21]3 years ago

6 0

Answer:

Step-by-step explanation:

Replace the variables.

5(3) - 2(4.5) = ?

15 - 9 = ?

15 - 9 = 6

nataly862011 [7]3 years ago

3 0

I think think correct answer is 6

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Gnoma [55]

Answer:I think it's -23.72

Step-by-step explanation:Step 1: Reduce the fraction

Step 2: Multiply

Step 3: Calculate

step 4: solution

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3 years ago

Pete and Teegan each put the same amount of money in a new bank account. Teegan's account earns 2.75% simple interest, and she e

ss7ja [257]

Answer:

Step-by-step explanation:

Let us assume that Pete and Teegan each put an amount of $P in a new bank account.

Teegan's account earns 2.75% simple interest and she earned $2.20 in interest after one year.

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3 years ago

Please help me!!! I'm lost tap the attachment

BabaBlast [244]

Answer:

Below.

Step-by-step explanation:

I'll do number 20, 21, 22 for you.

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3 years ago

Evaluate the expression 5×5^2÷5-6

Anika [276]

Step-by-step explanation:

according to BODMAS

5×5^2÷5-6

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5×25÷5-6

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3 years ago

Bob wants to put down new sod in his backyard except for the part set aside for his flower garden the diagram shows bobs backyar

zmey [24]

Answer:

Bob will need $235\ yd^{2}$ of sod

Step-by-step explanation:

step 1

Find the area of the backyard

$A=20(14)=280\ yd^{2}$

step 2

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$A=5(9)=45\ yd^{2}$

step 3

Find the difference

$280\ yd^{2}-45\ yd^{2}=235\ yd^{2}$

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4 years ago