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melomori [17]
2 years ago
14

4 What is the number if 61 is 3 less than 8 times the number?

Mathematics
1 answer:
Mrrafil [7]2 years ago
8 0

If 61 is less than 8 times the number then the number is 8.

Given 61 is 3 less than 8 times the number.

Let the number be 'x'.

The term "polynomial" in mathematics refers to a mathematical statement that consists of two or more algebraic terms that are added, subtracted, or multiplied (no division!). Constants and positive exponents are frequently used, together with at least one variable, in polynomial formulas.

we can write the equation as:

8x ₋₋ 3 = 61

arranging the like terms i.e constants.

8x = 61 ₊ 3

8x = 64

to find the value of x, divide 64 by 8.

x = 64 ÷ 8

x = 8

hence the number we get after solving the equation is 8.

Learn more about Polynomials here:

brainly.com/question/1487158

#SPJ9

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3 x 7 x 7 x 7 x 7

= 3 x 7^{4}

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You need to cut and fabricate copper tube for branch lines in a church. You need 20 pieces of copper tube, each one 5 feet long.
Maru [420]

Answer:

Step-by-step explanation:

u need 20 pieces of copper tube...each one 5 ft long...

so u need a total of (5 * 20) = 100 ft.

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Read 2 more answers
a price rise of 13.7% resulted in a 38.45 increase in the price of an itme calculate both the original price and new prices for
Lana71 [14]

Answer:

Original price = $ 280.66

New price = $319.11

Step-by-step explanation:

Let the original price be = x

Given 13.7% of original price resulted in  38.45 increase

That is,

           13.7% of x = 38.45

          x \times 13.7\%  = 38.45\\\\x \times 0.137 = 38.45\\\\x = \frac{38.45}{0.137}\\\\x  = \$ 280.66

New price is 38.45 more than original price.

That is ,

          New price = 280.66 + 38.45 = $ 319.11

3 0
3 years ago
The temperature of a patient during an illness is given by the function T = -0.1d2 + 1.2d + 98.2 where T = the patient's tempera
Marrrta [24]

Answer:

a) The highest temperature was registered on the sixth day after the onset of the illness.

b) The highest temperature of the patient is 101.8.

Step-by-step explanation:

Let T = -0.1\cdot d^{2}+1.2\cdot d +98.2, we can find the maximum and minimum temperature of the patient by means of the First and Second Derivative Tests, whose procedure is described below:

First Derivative Test

T' = -0.2\cdot d +1.2

-0.2\cdot d +1.2 = 0

d = 6

Second Derivative Test

T'' = -0.2

Which means that critical value found in the previous step is an absolute maximum and there is no absolute minimum.

a) The highest temperature was registered on the sixth day after the onset of the illness.

b) We evaluated the function at critical value found by First Derivative Test:

T (6) = -0.1\cdot (6)^{2}+1.2\cdot (6) +98.2

T(6) = 101.8

The highest temperature of the patient is 101.8.

4 0
2 years ago
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