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satela [25.4K]
3 years ago
14

Write the phrase as a numerical expression; the product of 5 and 7

Mathematics
1 answer:
steposvetlana [31]3 years ago
8 0

Answer: 12 = 7 + 5

Step-by-step explanation:

12 = 7 + 5

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You invested $4,200 into an account that pays an interest rate of 3.5% compounded continuously. What is the balance of your acco
Nezavi [6.7K]

Answer:

$5,003.23

Step-by-step explanation:

A = P x e^rt

   = 4,200 x (e^0.035 x 5 )

   = $5,003.23

6 0
3 years ago
a carpenter has three sheets of plywood that are each 6.85 feet long. a 3.4-foot piece is cut from one sheet 0.5-foot piece is c
STatiana [176]

Answer:

16.65 feet

Step-by-step explanation:

Okay, we have three boards that are each 6.85 feet long. If we cut 3.4 feet off one board, that board has:

6.85

−

3.4

=

3.45

feet left

If we cut off 0.5 feet off another board, that board has:

6.85

−

0.5

=

6.35

feet left

So, if we take our three new boards, the total length of plywood left is:

6.85

+

3.45

+

6.35

=

16.65

feet

Hope this helps!

7 0
3 years ago
Write the quadratic equation whose roots are 5 and -1 and whose leading coefficient is 4
nlexa [21]

Answer:

4x^2-16x-20

Step-by-step explanation:

(x-5)(x+1)=x^2-5x+x-5=x^2-4x-5

leading coefficient=4

which means that 4(x^2-4x-5)=4x^2-16x-20 is the answer.

8 0
3 years ago
Read 2 more answers
What is the proportion for 105/280=x/8
saul85 [17]

Answer:

3

Step-by-step explanation:

we know that product do extreme is equal to the product of means

105:280::x:8

105*8=280x

840=280x

x=840/280

x=3

4 0
4 years ago
Algebra question, please show work :))
WITCHER [35]

I dont know why but a moderator deleted my answer but I hope that you got it. It was actually A. since it was the quotient of 9 not the quotient of x.

Have a great day hon and I hope that this helped you out a lil:)

5 0
3 years ago
Read 2 more answers
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